Dr. Qi-Kun Xue. (10) (Office) (10) (Fax)

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1 Dr. Qi-Kun Xue (10) (Office) (10) (Fax) Room W31, Gong-Zi-Ting Tsinghua Campus Beijing, P. R. China EDUCATION September 1990 July 1994 Institute of Physics, Chinese Academy of Sciences (CAS), Ph.D in physics. September 1987 July 1990 Institute of Physics, CAS, M.S. in physics. September 1980 July 1984 Department of Optics, Shandong University, B.S. in laser physics. EMPLOYMENT December 2017 present Director, Beijing Academy of Quantum Information Sciences. May 2013 present Vice President for Research, Tsinghua University. March 2013 March 2014 Dean, Office of Scientific Research and Development, Tsinghua University. March 2013 May 2013 Assistant to President, Tsinghua University. June 2011 May 2016 Director, State Key Laboratory of Low-Dimensional Quantum Physics. August 2010 December 2013 Chair, Department of Physics, Tsinghua University. August 2010 June 2013 Dean, School of Sciences, Tsinghua University. May 2005 present Distinguished Professor, Department of Physics, Tsinghua University. September 1999 December 2005 Director, State Key Laboratory for Surface Physics, Institute of Physics, CAS. August 1999 July 2007 Professor, Head of Group SF04, State Key Laboratory for Surface Physics, Institute of Physics, CAS. June 1996 May 1997 Visiting Assistant Professor, Department of Physics, North Carolina State University. 1

2 September 1994 August 1999 Research Associate, Institute for Materials Research, Tohoku University. June 1992 June 1994 Visiting Student, Institute for Materials Research, Tohoku University. RESEARCH INTERESTS Scanning tunneling microscopy/spectroscopy Molecular beam epitaxy Topological insulators Interface-induced high temperature superconductivity Surface science HONORS 2016 Future Science Prize-Physical Science Prize Asian Union of Magnetics Societies Award HLHL Achievement Award in Science and Technology Qiu Shi Outstanding Scientist Award Distinguished Talent of Talents (Wanren) Program Tan Kah Kee Science Award in Mathematic and Physical Sciences National Natural Science Award (Second-class) of China Qiu Shi Outstanding Scientific Research Team Award TWAS Physics prize HLHL Advancement Award in Science and Technology Member of the Chinese Academy of Sciences Cheung Kong Distinguished Professor, Ministry of Education Outstanding Achievement Award in Science and Technology, CAS National Natural Science Award (Second-class) of China Young Scientist Prize, the Chinese Association of Science and Technology Talents Program, the Chinese Academy of Sciences Young Scientist Fund, National Natural Science Foundation of China President Prize for Excellent PhD Students, CAS. PROFESSIONAL ACTIVITIES 2016-present Fellow, American Physical Society present Executive vice director, Science and Technology Committee of Ministry of Education. 2

3 2014-present Associate editor, National Science Review Advisory board member, Chinese Science Bulletin present Editorial board member, Surface Science Reports Chair, the 15th International Conference on Solid Films and Surfaces Co-chair, the 18th International Vacuum Congress present Chair, Surface and Interface Committee of Chinese Physical Society (CPS) present Academic editor, AIP Advances present Editorial board member, Physical Review B present Editorial board member, Applied Physics Letters and Journal of Applied Physics present Member, Science and Technology Commission of Ministry of Education present Member, Council of NSFC present Chief editor, Surface Review & Letter Chief editor, Nano Research present Associate editor, the European Physical Journal of Applied Physics Fellow, CPS present Director, the Academic Exchange Committee of CPS present Director, the Academic Committee of State Key Laboratory of Applied Surface Physics, Fudan University present Director, the Academic Committee of State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences present Director, the Academic Committee of State Key Laboratory of Surface Physics, Institute of Physics, Chinese Academy of Sciences Editorial board member, Surface Science present Editorial board member, Journal of Physics D Editorial board member, Nanotechnology Deputy chair, Surface and Interface Committee of CPS. SELECTED INVITED TALKS 2018 Invited talk, Topology in condensed matter and high energy physics, Hong Kong Plenary talk, The 8th international symposium on surface science (ISSS-8), Tsukuba Japan Plenary talk, Magnetic Frontiers: Topological Insulators, Nancy, France Plenary talk, The 28th International Conference on Low Temperature Physics, Gothenburg, Sweden. 3

4 2017 Plenary talk, International conference on topological materials science 2017, Tokyo, Japan Invited talk, The conference on 90 years of quantum mechanics, Singapore Invited talk, CEMS-QPEC symposium on Emergent quantum materials, Tokyo, Japan Plenary talk, The 13th Asia Pacific physics conference and 22nd Australian institute of physics congress (APPC-AIPC), Brisbane, Australia Plenary talk, The 20th international vacuum congress (IVC-20), Busan, Korea Invited talk, New trends in topological insulators 2016 (NTTI2016) and 17th international conference on narrow gap semiconductors (NGS17), Würzburg, Germany Plenary talk, The 18th international symposium on the physics of semiconductors and applications (ISPSA 2016), Jeju, Korea Invited talk, The 11th international conference on spectroscopies in novel superconductors (SNS2016), Ludwigsburg, Germany Invited talk, Topological spintronic devices and beyond, Minneapolis Invited talk, RD2DS-2016: Recent developments in 2D systems, Okinawa, Japan Invited talk, Hong Kong forum 2015: Novel quantum states and their manipulations, Hong Kong Plenary talk, The 7th international conference on recent progress in graphene (and two-dimensional materials) research (RPGR 2015), Lorne, Australia Invited talk, The 22nd international workshop on oxide electronics, Paris, France Plenary talk, The 31st European conference on surface science (ECOSS-31), Barcelona, Spain Plenary talk, The 11th international conference on materials & mechanisms of superconductivity (M2S), Geneva, Switzerland Invited talk, The 8th international school and conference on spintronics and quantum information technology (SPINTECH VIII), Basel, Switzerland Invited talk, The 21st international conference on electronic properties of two-dimensional systems, Sendai, Japan Invited talk, Gordon research conference on topological and correlated matter, Hong Kong Plenary talk, The 44th Jaszowiec international school and conference on the physics of semiconductors, Wis la, Poland Invited talk, Spin-orbit coupling in surface or interface states workshop, Spetses, Greece Invited talk, Workshop on Topological magnets, Saitama, Japan Invited talk, Gordon research conference on superconductivity, Hong Kong. 4

5 2015 Invited talk, International frontiers in quantum materials and devices workshop, Harvard University Invited talk, The 5th Swiss-Sino workshop, Baden, Switzerland Invited talk, Interdisciplinary surface science conference (ISSC-20), Birmingham, UK Invited talk, International conference on topological quantum phenomena 2014, Kyoto, Japan Invited talk, Materials today Asia 2014 conference, Hong Kong Plenary talk, The 18th international conference on molecular beam epitaxy (MBE 2014), Flagstaff Plenary talk, The 32nd international conference on the physics of semiconductors (ICPS 2014), Austin Invited talk, The 8th international conference on physics and applications of spin phenomena in solids (PASPS VIII), Washington DC Plenary talk, The 8th joint meeting of Chinese physicists worldwide (OCPA8) international conference on physics education and frontier physics, Singapore Invited talk, The 16th Kavli futures symposium: Nanomaterials science in Asian perspective, Seoul, Korea Invited talk, Nobel symposium New forms of matter: Topological insulators and superconductors, Stockholm, Sweden Invited talk, Ho-Am forum on science 2014, Seoul, Korea Invited talk, International workshop on Topology in the new frontiers of materials science, Tsukuba, Japan Invited talk, APS March meeting, Denver Physics seminar, University of California, Santa Barbara Stanford physics colloquium, Stanford University Berkeley 290K condensed matter seminar, University of California, Berkeley Invited talk, The advanced institute for materials research international symposium 2014 (AMIS 2014), Sendai, Japan Invited talk, The 1st cross-strait workshop on novel quamtum materials, Hualien, Taiwan Keynote talk, The international symposium on nanoscale transport and technology (ISNTT2013), Kanagawa, Japan Invited talk, FIRST-QS2C workshop on emergent phenomena of correlated materials, Tokyo, Japan Physics colloquium, Seoul National University Duke physics colloquium, Duke University Harvard physics colloquium, Harvard University. 5

6 2013 Plenary talk, Chinese physical society fall meeting, Xiamen Keynote talk, The 19th international vacuum congress (IVC-19), Paris Plenary talk, The 16th international conference on narrow gap systems, Hangzhou Plenary talk, The 19th national semiconductor physics conference, Weihai Invited talk, Symposium quantum Hall effects and related topics, Stuttgart Invited talk, 2013 NIMS conference: Structure control of atomic/molecular thin films and their applications, Tsukuba, Japan Invited talk, The 14th international conference on the formation of semiconductor interfaces, Gyeongju, Korea Invited talk, SNS 2013 conference, Berkeley Invited talk, International workshop: Majoranas in solid state, Beijing Invited talk, China/US joint winter school and the 3rd China/US workshop on novel superconductors, Hong Kong Plenary talk, The 12th international conference on electronic spectroscopy and structure, Saint-Malo Invited talk, IBM institute 2012 Synthetic routes to room temperature superconductivity, Almaden Invited talk, APS March meeting, Boston Invited talk, Gordon research conference, Biddeford 2012 Invited talk, CECAM workshop on topological insulators and non-perturbative spinorbit coupling, Lausanne Invited talk, The 25th international symposium on superconductivity, Tokyo Invited talk, Materials & mechanisms of superconductivity (M2S), Washington DC Invited talk, The 19th international conference on magnetism, Busan Invited talk, The Sino-German bilateral workshop on emergent phases in correlated and topological matter, Hangzhou Invited talk, China semiconductor technology international conference, Shanghai Half-plenary talk, The 26th international conference on low temperature physics, Beijing Theme lecture, International conference on materials for advanced technologies, Singapore Mueller lecture, Penn State University Plenary talk, The 12th international conference on molecule-based magnets, Beijing Invited talk, The 55th annual conference on magnetism & magnetic materials, Altanta Invited talk, APS March meeting, Portland Plenary talk, Asia conference on nanoscience and nanotechnology, Singapore. 6

7 2006 Plenary talk, European conference of surface science, Paris Invited talk, International conference on nanoscience and nanotechnology (ICN+T 2006), Basel Invited talk, International conference on scanning probe microscopy/spectroscopy (STM 05), Sapporo Invited talk, APS March meeting, Los Angeles Invited talk, MRS fall meeting, Boston Invited talk, AVS annual meeting, Anaheim Invited talk, International conference on molecular beam epitaxy, Beijing Invited talk, International conference on scanning probe microscopy/spectroscopy, Seoul Invited talk, APS March meeting, St. Louis. PUBLICATIONS (7 in Science, 18 in Nature associated journals, 47 in Phys. Rev. Lett., 75 in Phys. Rev. A/B, and 44 in Appl. Phys. Lett., with citations > 16000) 1. J. L. Yu, X. L. Zeng, L. G. Zhang, C. M. Yin, Y. H. Chen, Y. Liu, S. Y. Chen, Y. F. Lai, K. He, and Q. K. Xue, Inverse spin Hall effect induced by linearly polarized light in the topological insulator Bi 2 Se 3, Opt. Express 26, 4832 (2018). 2. Y. B. Ou, C. Liu, G. Y. Jiang, Y. Feng, D. Y. Zhao, W. X. Wu, X. X. Wang, W. Li, C. L.Song, L. L. Wang, W. D. Wu, Y. Y. Wang, K. He, X. C. Ma, and Q. K. Xue, Enhancing the quantum anomalous Hall effect by magnetic codoping in a topological insulator, Adv. Mater. 30, (2018). 3. C. Liu, J. H. Mao, H. Ding, R. Wu, C. J. Tang, F. S. Li, K. He, W. Li, C. L. Song, X. C. Ma, Z. Liu, L. L. Wang, and Q. K. Xue, Extensive impurity-scattering study on the pairing symmetry of monolayer FeSe films on SrTiO 3, Phys. Rev. B 97, (2018). 4. J. L. Yu, X. L. Zeng, L. G. Zhang, K. He, S. Y. Cheng, Y. F. Lai, W. Huang, Y. H. Chen, C. M. Yin, and Q. K. Xue, Photoinduced inverse spin Hall effect of surface states in the topological insulator Bi 2 Se 3, Nano Lett. 17, 7878 (2017). 5. M. H. Guo, Y. B. Ou, Y. Xu, Y. Feng, G. Y. Jiang, K. He, X. C. Ma, Q. K. Xue, and Y. Y. Wang, Ambi-polar anomalous Nernst effect in a magnetic topological insulator, New J. Phys. 19, (2017). 6. Y. Xing, R. Zhao, P. J. Shan, F. P. Zheng, Y. W. Zhang, H. L. Fu, Y. Liu, M. L. Tian, C. Y. Xi, H. W. Liu, J. Feng, X. Lin, S. H. Ji, X. Chen, Q. K. Xue, and J. Wang, Ising superconductivity and quantum phase transition in macro-size monolayer NbSe 2, Nano Lett. 17, 6802 (2017). 7. C. Liu, Y. Y. Zang, W. Ruan, Y. Gong, K. He, X. C. Ma, Q. K. Xue, and Y. Y. Wang, Dimensional crossover-induced topological Hall effect in a magnetic topological insulator, Phys. Rev. Lett. 119, (2017). 7

8 8. W. Li, Y. Zhang, P. Deng, Z. L. Xu, S. K. Mo, M. Yi, H. Ding, M. Hashimoto, R. G. Moore, D. H. Lu, X. Chen, Z. X. Shen, and Q. K. Xue, Stripes developed at the strong limit of nematicity in FeSe film, Nat. Phys. 13, 957 (2017). 9. Z. C. Zhang, X. Feng, J. Wang, B. Lian, J. S. Zhang, C. Z. Chang, M. H. Guo, Y. B. Ou, Y. Feng, S. C. Zhang, K. He, X. C. Ma, Q. K. Xue, and Y. Y. Wang, Magnetic quantum phase transition in Cr-doped Bi 2 (Se x Te 1 x ) 3 driven by the Stark effect, Nat. Nanotechnol. 12, 953 (2017). 10. K. Sun, J. Y. Luo, X. Zhang, Z. J. Wu, Y. Wang, H. K. Yuan, Z. H. Xiong, S. C. Li, Q. K. Xue, and J. Z. Wang, Supramolecular motors on graphite surface stabilized by charge states and hydrogen bonds, ACS Nano 11, (2017). 11. M. L. Tao, H. F. Xiao, K. Sun, Y. B. Tu, H. K. Yuan, Z. H. Xiong, J. Z. Wang, and Q. K. Xue, Visualizing buried silicon atoms at the Cd-Si(111)-7 7 interface with localized electrons, Phys. Rev. B 96, (2017). 12. Q. Y. Wang, W. H. Zhang, W. W. Chen, Y. Xing, Y. Sun, Z. Q. Wang, J. W. Mei, Z. F. Wang, L. L. Wang, X. C. Ma, F. Liu, Q. K. Xue, and J. Wang, Spin fluctuation induced linear magnetoresistance in ultrathin superconducting FeSe films, 2D. Mater. 4, (2017). 13. H. M. Zhang, D. Zhang, X. W. Lu, C. Liu, G. Y. Zhou, X. C. Ma, L. L. Wang, P. Jiang, Q. K. Xue, and X. H. Bao, Origin of charge transfer and enhanced electron-phonon coupling in single unit-cell FeSe films on SrTiO 3, Nat. Commun. 8, 214 (2017). 14. J. Liao, Y. B. Ou, H. W. Liu, K. He, X. C. Ma, Q. K. Xue, and Y. Q. Li, Enhanced electron dephasing in three-dimensional topological insulators, Nat. Commun. 8, (2017). 15. K. Zhao, H. C. Lin, W. T. Huang, X. P. Hu, X. Chen, Q. K. Xue, and S. H. Ji, Molecular beam epitaxy growth of tetragonal FeS films on SrTiO 3 (001) substrates, Chin. Phys. Lett. 34, (2017). 16. L. G. Zhang, D. P. Zhao, Y. Y. Zang, Y. H. Yuan, G. Y. Jiang, M. H. Liao, D. Zhang, K. He, X. C. Ma, and Q. K. Xue, Ferromagnetism in vanadium-doped Bi 2 Se 3 topological insulator films, APL. Mater. 5, (2017). 17. Y. F. Lv, W. L. Wang, Y. M. Zhang, H. Ding, W. Li, L. L. Wang, K. He, C. L. Song, X. C. Ma, and Q. K. Xue, Experimental signature of topological superconductivity and Majorana zero modes on β-bi 2 Pd thin films, Sci. Bull. 62, 852 (2017). 18. W. S. Whitney, V. W. Brar, Y. B. Ou, Y. M. Shao, A. R. Davoyan, D. N. Basov, K. He, Q. K. Xue, and H. A. Atwater, Gate-variable mid-infrared optical transitions in a (Bi 1 x Sb x ) 2 Te 3 topological insulator, Nano Lett. 17, 255 (2017). 19. L. L. Wang, X. C. Ma, and Q. K. Xue, Interface high-temperature superconductivity, Supercond. Sci. Technol. 29, (2016). 20. Q. Li, J. Q. Yan, B. Yang, Y. Y. Zang, J. J. Zhang, K. He, M. H. Wu, D. Mandrus, J. Wang, Q. K. Xue, L. F. Chi, D. J. Singh, and M. H. Pan, Interference evidence for Rashba-type spin splitting on a semimetallic WTe 2 surface, Phys. Rev. B 94, (2016). 8

9 21. P. Zhang, X. L. Peng, T. Qian, P. Richard, X. Shi, J. Z. Ma, B. B. Fu, Y. L. Guo, Z. Q. Han, S. C, Wang, L. L. Wang, Q. K. Xue, J. P. Hu, Y. J. Sun, and H. Ding, Observation of high-t c superconductivity in rectangular FeSe/SrTiO 3 (110) monolayers, Phys. Rev. B 94, (2016). 22. Z. F. Wang, H. M. Zhang, D. F. Liu, C. Liu, C. J. Tang, C. L. Song, Y. Zhong, J. P. Peng, F. S. Li, C. N. Nie, L. L. Wang, X. J. Zhou, X. C. Ma, Q. K. Xue, and F. Liu, Topological edge states in a high-temperature superconductor FeSe/SrTiO 3 (001) film, Nat. Mater. 15, 968 (2016). 23. S. Y. Zhang, J. Q. Guan, X. Jia, B. Liu, W. H. Wang, F. S. Li, L. L. Wang, X. C. Ma, Q. K. Xue, and J. D. Zhang, Role of SrTiO 3 phonon penetrating into thin FeSe films in the enhancement of superconductivity, Phys. Rev. B 94, (2016). 24. X. Feng, Y. Feng, J. Wang, Y. B. Ou, Z. Q. Hao, C. Liu, Z. C. Zhang, L. G. Zhang, C. J. Lin, J. Liao, Y. Q. Li, L. L. Wang, S. H. Ji, X. Chen, X. C. Ma, S. C. Zhang, Y. Y. Wang, K. He, and Q. K. Xue, Thickness dependence of the quantum anomalous Hall effect in magnetic topological insulator films, Adv. Mater. 28, 6386 (2016). 25. H. Ding, Y. F. Lv, K. Zhao, W. L. Wang, L. L. Wang, C. L. Song, X. Chen, X. C. Ma, and Q. K. Xue, High-temperature superconductivity in single-unit-cell FeSe films on anatase TiO 2 (001), Phys. Rev. Lett. 117, (2016). 26. Y. B. Ou, Y. Feng, X. Feng, Z. Q. Hao, L. G. Zhang, C. Liu, Y. Y. Wang, K. He, X. C. Ma, and Q. K. Xue, AlO x /LiF composite protection layer for Cr-doped (Bi,Sb) 2 Te 3 quantum anomalous Hall films, Chin. Phys. B 25, (2016). 27. Y. B. Ou, C. Liu, L. G. Zhang, Y. Feng, G. Y. Jiang, D. Y. Zhao, Y. Y. Zang, Q. H. Zhang, L. Gu, Y. Y. Wang, K. He, X. C. Ma, and Q. K. Xue, Heavily Cr-doped (Bi,Sb) 2 Te 3 as a ferromagnetic insulator with electrically tunable conductivity, APL Mater. 4, (2016). 28. Y. Zhong, Y. Wang, S. Han, Y. F. Lv, W. L. Wang, D. Zhang, H. Ding, Y. M. Zhang, L. L. Wang, K. He, R. D. Zhong, J. A. Schneeloch, G. D. Gu, C. L. Song, X. C. Ma, and Q. K. Xue, Nodeless pairing in superconducting copper-oxide monolayer films on Bi 2 Sr 2 CaCu 2 O 8+δ, Sci. Bull. 61, 1239 (2016). 29. K. Chang, J. W. Liu, H. C. Lin, N. Wang, K. Zhao, A. M. Zhang, F. Jin, Y. Zhong, X. P. Hu, W. H. Duan, Q. M. Zhang, L. Fu, Q. K. Xue, X. Chen, and S. H. Ji, Discovery of robust in-plane ferroelectricity in atomic-thick SnTe, Science 353, 274 (2016). 30. X. P. Hu, R. Zhu, J. Xu, S. H. Ji, X. Chen, Q. K. Xue, and D. P. Yu, Growth of Ag on Pb island with Si(111) substrate, Chin. Phys. Lett. 33, (2016). 31. D. F. Liu, L. Zhao, S. L. He, Y. Hu, B. Shen, J. W. Huang, A. J. Liang, Y. Xu, X. Liu, J. F. He, D. X. Mou, S. Y. Liu, H. Y. Liu, G. D. Liu, W. H. Zhang, F. S. Li, X. C. Ma, Q. K. Xue, X. H. Chen, G. F. Chen, L. Yu, J. Zhang, Z. Y. Xu, C. T. Chen, and X. J. Zhou, Common electronic features and electronic nematicity in parent compounds of iron-based superconductors and FeSe/SrTiO 3 films revealed by angle-resolved photoemission spectroscopy, Chin. Phys. Lett. 33, (2016). 32. Q. K. Xue, Unearthing new physics, Nat. Mater. 15, 688 (2016). 9

10 33. L. S. Liu, Z. X. Mei, A. H. Tang, A. Azarov, A. Kuznetsov, Q. K. Xue, and X. L. Du, Oxygen vacancies: The origin of n-type conductivity in ZnO, Phys. Rev. B 93, (2016). 34. F. S. Li, Q. H. Zhang, C. J. Tang, C. Liu, J. N. Shi, C. N. Nie, G. Y. Zhou, Z. Li, W. H. Zhang, C. L. Song, K. He, S. H. Ji, S. B. Zhang, L. Gu, L. L. Wang, X. C. Ma, and Q. K. Xue, Atomically resolved FeSe/SrTiO 3 (001) interface structure by scanning transmission electron microscopy, 2D Mater. 3, (2016). 35. G. Y. Zhou, D. Zhang, C. Liu, C. J. Tang, X. X. Wang, Z. Li, C. L. Song, S. H. Ji, K. He, L. L. Wang, X. C. Ma, and Q. K. Xue, Interface induced high temperature superconductivity in single unit-cell FeSe on SrTiO 3 (110), Appl. Phys. Lett. 108, (2016). 36. X. B. Li, W. K. Huang, Y. Y. Lv, K. W. Zhang, C. L. Yang, B. B. Zhang, Y. B. Chen, S. H. Yao, J. Zhou, M. H. Lu, L. Sheng, S. C. Li, J. F. Jia, Q. K. Xue, Y. F. Chen, and D. Y. Xing, Experimental observation of topological edge states at the surface step edge of the topological insulator ZrTe 5, Phys. Rev. Lett. 116, (2016). 37. Y. F. Lv, W. L. Wang, H. Ding, Y. Wang, Y. Ding, R. D. Zhong, J. Schneeloch, G. D. Gu, L. L. Wang, K. He, S. H. Ji, L. Zhao, X. J. Zhou, C. L. Song, X. C. Ma, and Q. K. Xue, Electronic structure of the ingredient planes of the cuprate superconductor Bi 2 Sr 2 CuO 6+δ : A comparison study with Bi 2 Sr 2 CaCu 2 O 8+δ, Phys. Rev. B 93, (R) (2016). 38. C. L. Song, H. M. Zhang, Y. Zhong, X. P. Hu, S. H. Ji, L. L. Wang, K. He, X. C. Ma, and Q. K. Xue, Observation of double-dome superconductivity in potassium-doped FeSe thin films, Phys. Rev. Lett. 116, (2016). 39. Y. C. Tian, W. H. Zhang, F. S. Li, Y. L. Wu, Q. Wu, F. Sun, G. Y. Zhou, L. L. Wang, X. C. Ma, Q. K. Xue, and J. M. Zhao, Ultrafast dynamics evidence of high temperature superconductivity in single unit cell FeSe on SrTiO 3, Phys. Rev. Lett. 116, (2016). 40. X. Wang, S. Parkin, and Q. K. Xue, Preface to special topic: 2D spintronics, APL Mater. 4, (2016). 41. C. Z. Chang, M. H. Liu, Z. C. Zhang, Y. Y. Wang, K. He, and Q. K. Xue, Fieldeffect modulation of anomalous Hall effect in diluted ferromagnetic topological insulator epitaxial films, Sci. China-Phys. Mech. Astron. 59, (2016). 42. F. W. Zheng, L. L. Wang, Q. K. Xue, and P. Zhang, Band structure and charge doping effects of the potassium-adsorbed FeSe/SrTiO 3 system, Phys. Rev. B 93, (2016). 43. C. J. Tang, C. Liu, G. Y. Zhou, F. S. Li, H. Ding, Z. Li, D. Zhang, C. L. Song, S. H. Ji, K. He, L. L. Wang, X. C. Ma, and Q. K. Xue, Interface-enhanced electronphonon coupling and high-temperature superconductivity in potassium-coated ultrathin FeSe films on SrTiO 3, Phys. Rev. B 93, (R) (2016). 44. M. H. Guo, Z. Y. Wang, Y. Xu, H. Q. Huang, Y. Y. Zang, C. Liu, W. H. Duan, Z. X. Gan, S. C. Zhang, K. He, X. C. Ma, Q. K. Xue and Y. Y. Wang, Tuning thermoelectricity in a Bi 2 Se 3 topological insulator via varied film thickness, New J. Phys. 18, (2016). 10

11 45. H. M. Zhang, Z. X. Li, J. P. Peng, C. L. Song, J. Q. Guan, Z. Li, L. L. Wang, K. He, S. H. Ji, X. Chen, H. Yao, X. C. Ma, and Q. K. Xue, Visualizing the elongated vortices in γ-ga nanostrips, Phys. Rev. B 93, (R) (2016). 46. W. Li, W. G. Yin, L. L. Wang, K. He, X. C. Ma, Q. K. Xue, and X. Chen, Charge ordering in stoichiometric FeTe: Scanning tunneling microscopy and spectroscopy, Phys. Rev. B 93, (R) (2016). 47. L. Zhang, H. W. Liu, L. Y. Chen, P. F. Guan, B. Chen, T. Fujita, Y. Yamaguchi, H. Iwasaki, Q. K. Xue, and M. W. Chen, Large-scale growth of sharp gold nano-cones for single-molecule SERS detection, RSC Adv. 6, 2882 (2016). 48. Y. F. Lv, W. L. Wang, J. P. Peng, H. Ding, Y. Wang, L. L. Wang, K. He, S. H. Ji, R. D. Zhong, J. Schneeloch, G. D. Gu, C. L. Song, X. C. Ma, and Q. K. Xue, Mapping the electronic structure of each ingredient oxide layer of High-T c cuprate superconductor Bi 2 Sr 2 CaCu 2 O 8+δ, Phys. Rev. Lett. 115, (2015). 49. Y. P. Jiang, C. L. Song, Z. Li, M. Chen, R. L. Greene, K. He, L. L. Wang, X. Chen, X. C. Ma, and Q. K. Xue, Mass acquisition of Dirac fermions in magnetically doped topological insulator Sb 2 Te 3 films, Phys. Rev. B 92, (2015). 50. C. J. Tang, D. Zhang, Y. Y. Zang, C. Liu, G. Y. Zhou, Z. Li, C. Zheng, X. P. Hu, C. L. Song, S. H. Ji, K. He, X. Chen, L. L. Wang, X. C. Ma, and Q. K. Xue, Superconductivity dichotomy in K-coated single and double unit cell FeSe films on SrTiO 3, Phys. Rev. B 92, (R) (2015). 51. Y. Xing, H. M. Zhang, H. L. Fu, H. W. Liu, Y. Sun, J. P. Peng, F. Wang, X. Lin, X. C. Ma, Q. K. Xue, J. Wang, and X. C. Xie, Quantum Griffiths singularity of superconductor-metal transition in Ga thin films, Science 350, 542 (2015). 52. H. M. Zhang, J. P. Peng, J. Q. Guan, Z. Li, C. L. Song, L. L. Wang, K. He, X. C. Ma, and Q. K. Xue, Nanoscale superconductivity of γ-ga islands grown by molecular beam epitaxy, Sci. China-Phys. Mech. Astron. 58, (2015). 53. C. Z. Chang, P. Z. Tang, X. Feng, K. Li, X. C. Ma, W. H. Duan, K. He, and Q. K. Xue, Band engineering of Dirac surface states in topological-insulator-based van der Waals heterostructures, Phys. Rev. Lett. 115, (2015). 54. Y. Feng, X. Feng, Y. B. Ou, J. Wang, C. Liu, L. G. Zhang, D. Y. Zhao, G. Y. Jiang, S. C. Zhang, K. He, X. C. Ma, Q. K. Xue, and Y. Y. Wang, Observation of the zero Hall plateau in a quantum anomalous Hall insulator, Phys. Rev. Lett. 115, (2015). 55. E. Minamitani, Y. S. Fu, Q. K. Xue, Y. Kim, and S. Watanabe, Spatially extended underscreened Kondo state from collective molecular spin, Phys. Rev. B 92, (2015). 56. Z. Y. Wang, J. F. Wang, Y. Y. Zang, Q. H. Zhang, J. A. Shi, T. Jiang, Y. Gong, C. L. Song, S. H. Ji, L. L. Wang, L. Gu, K. He, W. H. Duan, X. C. Ma, X. Chen, and Q. K. Xue, Molecular beam epitaxy-grown SnSe in the rock-salt structure: An artificial topological crystalline insulator material, Adv. Mater. 27, 4150 (2015). 57. L. Zhao, J. F. Wang, J. W. Liu, Y. Xu, B. L. Gu, Q. K. Xue, and W. H. Duan, Electronic analog of chiral metamaterial: Helicity-resolved filtering and focusing of 11

12 Dirac fermions in thin films of topological materials, Phys. Rev. B 92, (R) (2015). 58. X. C. Xie, A. H. MacDonald, Q. K. Xue, and M. Heiblum, Preface to the special topic section on topological states in condensed matter: Physics and materials science, Solid State Commun. 215, 17 (2015). 59. J. Park, Y. A. Soh, G. Aeppli, X. Feng, Y. B. Ou, K. He, and Q. K. Xue, Crystallinity of tellurium capping and epitaxy of ferromagnetic topological insulator films on SrTiO 3, Sci. Rep. 5, (2015). 60. F. S. Li, H. Ding, C. J. Tang, J. P. Peng, Q. H. Zhang, W. H. Zhang, G. Y. Zhou, D. Zhang, C. L. Song, K. He, S. H. Ji, X. Chen, L. Gu, L. L. Wang, X. C. Ma, and Q. K. Xue, Interface-enhanced high-temperature superconductivity in single-unit-cell FeTe 1 x Se x films on SrTiO 3, Phys. Rev. B 91, (R) (2015). 61. W. X. Huo, J. A. Shi, Z. X. Mei, L. S. Liu, J. Q. Li, L. Gu, X. L. Du, and Q. K. Xue, High-index Cu 2 O(113) film on faceted MgO(110) by molecular beam epitaxy, J. Gryst. Growth 420, 32 (2015). 62. J. P. Peng, H. M. Zhang, C. L. Song, Y. P. Jiang, L. L. Wang, K. He, Q. K. Xue, and X. C. Ma, Molecular beam epitaxy growth and scanning tunneling microscopy study of pyrite CuSe 2 films on SrTiO 3, Chin. Phys. Lett. 32, (2015). 63. J. Liao, L. Y. B. Ou, X. Feng, S. Yang, C. J. Lin, W. M. Yang, K. H. Wu, K. He, X. C. Ma, Q. K. Xue, and Y. Q. Li, Observation of Anderson localization in ultrathin films of three-dimensional topological insulators, Phys. Rev. Lett. 114, (2015). 64. C. L. Song, L. L. Wang, K. He, S. H. Ji, X. Chen, X. C. Ma, and Q. K. Xue, Probing Dirac fermion dynamics in topological insulator Bi 2 Se 3 films with a scanning tunneling microscope, Phys. Rev. Lett. 114, (2015). 65. J. P. Peng, J. Q. Guan, H. M. Zhang, C. L. Song, L. L. Wang, K. He, Q. K. Xue, and X. C. Ma, Molecular beam epitaxy growth and scanning tunneling microscopy study of TiSe 2 ultrathin films, Phys. Rev. B 91, (R) (2015). 66. Y. Ning, J. R. Cramer, A. Nuermaimaiti, K. Svane, M. Yu, E. Lagsgaard, F. Besenbacher, Q. K. Xue, X. C. Ma, B. Hammer, K. V. Gothelf, and T. R. Linderoth, Selection of conformational states in self-assembled surface structures formed from an oligo(naphthylene-ethynylene) 3-bit binary switch, J. Chem. Phys. 142, (2015). 67. H. M. Zhang, Y. Sun, W. Li, J. P. Peng, C. L. Song, Y. Xing, Q. H. Zhang, J. Q. Guan, Z. Li, Y. F. Zhao, S. H. Ji, L. L. Wang, K. He, X. Chen, L. Gu, L. S. Ling, M. L. Tian, L. Li, X. C. Xie, J. P. Liu, H. Yang, Q. K. Xue, J. Wang, and X. C. Ma, Detection of a superconducting phase in a two-atom layer of hexagonal Ga film grown on semiconducting GaN(0001), Phys. Rev. Lett. 114, (2015). 68. J. F. Ge, Z. L. Liu, C. H. Liu, C. L. Gao, D. Qian, Q. K. Xue, Y. Liu, and J. F. Jia, Superconductivity above 100 K in Single-Layer FeSe Films on Doped SrTiO 3, Nat. Mater. 14, 285 (2015). 69. H. W. Liu, Y. Fujikawa, J. T. Sadowski, Q. K. Xue, and T. Sakurai, Adsorption and thermal treatments of 1-dodecene on Si(100) investigated by STM, Surf. Sci. 633, 89 (2015). 12

13 70. Z. Li, J. P. Peng, H. M. Zhang, C. L. Song, S. H. Ji, L. L. Wang, K. He, X. Chen, Q. K. Xue, and X. C. Ma, Visualizing superconductivity in FeSe nanoflakes on SrTiO 3 by scanning tunneling microscopy, Phys. Rev. B 91, (R) (2015). 71. J. S. Zhang, X. Feng, Y. Xu, M. H. Guo, Z. C. Zhang, Y. B. Ou, Y. Feng, K. Li, H. J. Zhang, L. L. Wang, X. Chen, Z. X. Gan, S. C. Zhang, K. He, X. C. Ma, Q. K. Xue, and Y. Y. Wang, Disentangling the magnetoelectric and thermoelectric transport in topological insulator thin films, Phys. Rev. B 91, (2015). 72. C. Z. Chang, Z. C. Zhang, K. Li, X. Feng, J. S. Zhang, M. H. Guo, Y. Feng, J. Wang, L. L. Wang, X. C. Ma, X. Chen, Y. Y. Wang, K. He, and Q. K. Xue, Simultaneous electrical-field-effect modulation of both top and bottom Dirac surface states of epitaxial thin films of three-dimensional topological insulators, Nano Lett. 15, 1090 (2015). 73. J. Wen, H. Guo, C. H. Yan, Z. Y. Wang, K. Chang, P. Deng, T. Zhang, Z. D. Zhang, S. H. Ji, L. L. Wang, K. He, X. C. Ma, X. Chen, and Q. K. Xue, Synthesis of semimetal A(3)Bi (A = Na, K) thin films by molecular beam epitaxy, Appl. Surf. Sci. 327, 213 (2015). 74. Y. T. Cui, R. G. Moore, A. M. Zhang, Y. Tian, J. J. Lee, F. T. Schmitt, W. H. Zhang, W. Li, M. Yi, Z. K. Liu, M. Hashimoto, Y. Zhang, D. H. Lu, T. P. Devereaux, L. L. Wang, X. C. Ma, Q. M. Zhang, Q. K. Xue, D. H. Lee, and Z. X. Shen, Interface ferroelectric transition near the gap-opening temperature in a single-unit-cell FeSe film grown on Nb-doped SrTiO 3 substrate, Phys. Rev. Lett. 114, (2015). 75. J. P. Xu, M. X. Wang, Z. L. Liu, J. F. Ge, X. J. Yang, C. H. Liu, Z. A. Xu, D. D. Guan, C. L. Gao, D. Qian, Y. Liu, Q. H. Wang, F. C. Zhang, Q. K. Xue, and J. F. Jia, Experimental detection of a Majorana mode in the core of a magnetic vortex inside a topological insulator-superconductor Bi 2 Te 3 /NbSe 2 heterostructure, Phys. Rev. Lett. 114, (2015). 76. K. Chang, P. Deng, T. Zhang, H. C. Lin, K. Zhao, S. H. Ji, L. L. Wang, K. He, X. C. Ma, X. Chen, and Q. K. Xue, Molecular beam epitaxy growth of superconducting LiFeAs film on SrTiO 3 (001) substrate, Europhys. Lett. 109, (2015). 77. J. F. He, X. Liu, W. H. Zhang, L. Zhao, D. F. Liu, S. L. He, D. X. Mou, F. S. Li, C. J. Tang, Z. Li, L. L. Wang, Y. Y. Peng, Y. Liu, C. Y. Chen, L. Yu, G. D. Liu, X. L. Dong, J. Zhang, C. T. Chen, Z. Y. Xu, X. Chen, X. C. Ma, Q. K. Xue, and X. J. Zhou, Electronic evidence of an insulator-superconductor crossover in single-layer FeSe/SrTiO 3 films, Proc. Natl. Acad. Sci. U.S.A. 11, (2014). 78. L. Z. Deng, B. Lv, Z. Wu, Y. Y. Xue, W. H. Zhang, F. S. Li, L. L. Wang, X. C. Ma, Q. K. Xue, and C. W. Chu, Meissner and mesoscopic superconducting states in 1-4 unit-cell FeSe films, Phys. Rev. B 90, (2014). 79. J. Wen, H. Guo, C. H. Yan, Z. Y. Wang, K. Chang, P. Deng, T. Zhang, Z. D. Zhang, S. H. Ji, L. L. Wang, K. He, X. C. Ma, X. Chen, and Q. K. Xue, Semimetal Na 3 Bi thin film grown on double-layer graphene by molecular beam epitaxy, Chin. Phys. Lett. 31, (2014). 80. K. Zhao, Y. F. Lv, S. H. Ji, X. C. Ma, X. Chen, and Q. K. Xue, Scanning tunneling microscopy studies of topological insulators, J. Phys.: Condens. Matter 26, (2014). 13

14 81. Z. C. Zhang, X. Feng, M. H. Guo, K. Li, J. S. Zhang, Y. B. Ou, Y. Feng, L. L. Wang, X. Chen, K. He, X. C. Ma, Q. K. Xue, and Y. Y. Wang, Electrically tuned magnetic order and magnetoresistance in a topological insulator, Nat. Commun. 5, 4915 (2014). 82. X. Liu, D. F. Liu, W. H. Zhang, J. F. He, L. Zhao, S. L. He, D. D. Mou, F. S. Li, C. J. Tang, Z. Li, L. L. Wang, Y. Y. Peng, Y. Liu, C. Y. Chen, L. Yu, G. D. Liu, X. L. Dong, J. Zhang, C. T. Chen, Z. Y. Xu, X. Chen, X. C. Ma, Q. K. Xue, and X. J. Zhou, Dichotomy of the electronic structure and superconductivity between single-layer and double-layer FeSe/SrTiO 3 films, Nat. Commun. 5, 5047 (2014). 83. Y. Sun, W. H. Zhang, Y. Xing, F. S. Li, Y. F. Zhao, Z. C. Xia, L. L. Wang, X. C. Ma, Q. K. Xue, and J. Wang, High temperature superconducting FeSe films on SrTiO 3 substrates, Sci. Rep. 4, 6040 (2014). 84. H. C. Wang, H. W. Liu, C. Z. Chang, H. K. Zuo, Y. F. Zhao, Y. Sun, Z. C. Xia, K. He, X. C. Ma, X. C. Xie, Q. K. Xue, and J. Wang, Crossover between weak antilocalization and weak localization of bulk states in ultrathin Bi 2 Se 3 films, Sci. Rep. 4, 5817 (2014). 85. Z. Li, J. P. Peng, H. M. Zhang, W. H. Zhang, H. Ding, P. Deng, L. Chang, C. L. Song, J. H. Ji, L. L. Wang, K. He, X. Chen, Q. K. Xue, and X. C. Ma, Molecular beam epitaxy growth and post-growth annealing of FeSe films on SrTiO 3 : a scanning tunneling microscopy study, J. Phys.: Condens. Matter 26, (2014). 86. J. F. Tian, C. Z. Chang, H. L. Chang, H. L. Cao, K. He, X. C. Ma, Q. K. Xue, and Y. P. Chen, Quantum and classical magnetoresistance in ambipolar topological insulator transistors with gate-tunable bulk and surface conduction, Sci. Rep. 4, 4859 (2014). 87. C. H. Yan, J. W. Liu, Y. Y. Zang, J. F. Wang, Z. Y. Wang, P. Wang, Z. D. Zhang, L. L. Wang, X. C. Ma, S. H. Ji, K. He, L. Fu, W. H. Duan, Q. K. Xue, and X. Chen, Experimental observation of Dirac-like surface states and topological phase transition in Pb 1 x Sn x Te(111) films, Phys. Rev. Lett. 112, (2014). 88. H. Guo, C. H. Yan, J. W. Liu, Z. Y. Wang, R. Wu, Z. D. Zhang, L. L. Wang, K. He, X. C. Ma, S. H. Ji, W. H. Duan, X. Chen, and Q. K. Xue, Topological crystalline insulator Pb x Sn 1 x Te thin films on SrTiO 3 (001) with tunable Fermi levels, APL Mat. 2, (2014). 89. C. H. Yan, H. Guo, J. Wen, Z. D. Zhang, L. L. Wang, K. He, X. C. Ma, S. H. Ji, X. Chen, and Q. K. Xue, Growth of topological crystalline insulator SnTe thin films on Si(111) substrate by molecular beam epitaxy, Surf. Sci. 621, 104 (2014). 90. W. H. Zhang, Z. Li, F. S. Li, H. M. Zhang, J. P. Peng, C. J. Tang, Q. Y. Wang, K. He, X. Chen, L. L. Wang, X. C. Ma, and Q. K. Xue, Interface charge doping effects on superconductivity of single-unit-cell FeSe films on SrTiO 3 substrates, Phys. Rev. B 89, (2014). 91. C. Z. Chang, P. Z. Tang, Y. L. Wang, X. Feng, K. Li, Z. C. Zhang, Y. Y. Wang, L. L. Wang, X. Chen, C. X. Liu, W. H. Duan, K. He, X. C. Ma, and Q. K. Xue, Chemical-potential-dependent gap opening at the Dirac surface states of Bi 2 Se 3 induced by aggregated substitutional Cr atoms, Phys. Rev. Lett. 112, (2014). 14

15 92. C. L. Song, Y. L. Wang, Y. P. Jiang, Z. Li, L. L. Wang, K. He, X. Chen, J. E. Hoffman, X. C. Ma, and Q. K. Xue, Imaging the electron-boson coupling in superconducting FeSe films using a scanning tunneling microscope, Phys. Rev. Lett. 112, (2014). 93. M. Wang, Y. B. Ou, F. S. Li, W. H. Zhang, C. J. Tang, L. L. Wang, Q. K. Xue, and X. C. Ma, Molecular beam epitaxy of single unit-cell FeSe superconducting films on SrTiO 3 (001), Acta Phys. Sin. 63, (2014). 94. P. Wei, K. Li, X. Feng, Y. B. Ou, L. G. Zhang, L. L. Wang, K. He, X. C. Ma, and Q. K. Xue, Growth of micro-devices of topological insulator thin films by molecular beam epitaxy on substrates pre-patterned with photolithography, Acta Phys. Sin. 63, (2014). 95. N. Li, X. Chen, and Q. K. Xue, Contribution of chemical bonding to the force in atomic force microscopy, Acta Phys.-Chim. Sin. 30, 205 (2014). 96. H. W. Liu, R. Nishitani, T. Fujita, W. Li, L. Zhang, X. Y. Lang, P. Richard, K. S. Nakayama, X. Chen, M. W. Chen, and Q. K. Xue, Inelastic electron-tunneling spectroscopy of nanoporous gold films, Phys. Rev. B 89, (2014). 97. W. H. Zhang, Y. Sun, J. S. Zhang, F. S. Li, M. H. Guo, Y. F. Zhao, H. M. Zhang, J. P. Peng, Y. Xing, H. C. Wang, T. Fujita, A. Hirata, Z. Li, H. Ding, C. J. Tang, M. Wang, Q. Y. Wang, K. He, S. H. Ji, X. Chen, J. F. Wang, Z. C. Xia, L. Li, Y. Y. Wang, J. Wang, L. L. Wang, M. W. Chen, Q. K. Xue, and X. C. Ma, Direct observation of high-temperature superconductivity in one-unit-cell FeSe films, Chin. Phys. Lett. 31, (2014). 98. Y. L. Wang, M. Chen, Z. Li, L. L. Wang, K. He, Q. K. Xue, and X. C. Ma, Scanning tunneling microscopy study of the superconducting properties of three-atomic-layer Pb films, Appl. Phys. Lett. 103, (2013). 99. X. G. Zhu, Z. Liu, W. Li, J. Wang, X. Chen, J. F. Jia, X. C. Ma, K. He, L. L. Wang, and Q. K. Xue, Observation of Rashba splitting on beta- 3 3-Sb/Si(111) reconstructed surface, Surf. Sci. 618, 115 (2013) N. Li, Z. Li, H. Ding, S. H. Ji, X. Chen, and Q. K. Xue, An atomic force microscopy study of single-layer FeSe superconductor, Appl. Phys. Express 6, (2013) X. G. Zhu, J. Wen, G. Wang, X. Chen, J. F. Jia, X. C. Ma, K. He, L. L. Wang, and Q. K. Xue, Doping nature of Cu in epitaxial topological insulator Bi 2 Te 3 thin films, Surf. Sci. 617, 156 (2013) S. Matsuo, K. Chida, D. Chiba, T. Ono, K. Slevin, K. Kobayashi, T. Ohtsuki, C. Z. Chang, K. He, X. C. Ma, and Q. K. Xue, Experimental proof of universal conductance fluctuation in quasi-one-dimensional epitaxial Bi 2 Se 3 wires, Phys. Rev. B 88, (2013) Y. F. Li, C. Z. Chang, Y. Jiang, A. DaSilva, Y. Sun, H. C. Wang, Y. Xing, Y. Wang, K. He, X. C. Ma, Q. K. Xue, and J. Wang, Demonstration of surface transport in a hybrid Bi 2 Se 3 /Bi 2 Te 3 heterostructure, Sci. Rep. 3, 3060 (2013) W. Li, H. Ding, P. F. Zhang, P. Deng, K. Chang, K. He, S. H. Ji, L. L. Wang, X. C. Ma, J. Wu, J. P. Hu, Q. K. Xue, and X. Chen, Superconductivity in a single-layer alkali- 15

16 doped FeSe: A weakly coupled two-leg ladder system, Phys. Rev. B 88, (R) (2013) E. Y. Wang, H. Ding, A. V. Fedorov, W. Yao, Z. Li, Y. F. Lv, K. Zhao, L. G. Zhang, Z. J. Xu, J. Schneeloch, R. D. Zhong, S. H. Ji, L. L. Wang, K. He, X. C. Ma, G. D. Gu, H. Yao, Q. K. Xue, X. Chen, and S. Y. Zhou, Fully gapped topological surface states in Bi 2 Se 3 films induced by a d-wave high-temperature superconductor, Nat. Phys. 9, 621 (2013) C. X. Wang, X. G. Zhu, L. Nilsson, J. Wen, G. Wang, X. Y. Shan, Q. Zhang, S. L. Zhang, J. F. Jia, and Q. K. Xue, In situ Raman spectroscopy of topological insulator Bi 2 Te 3 films with varying thickness, Nano. Res. 6, 688 (2013) K. Li, X. Feng, W. H. Zhang, Y. B. Ou, L. L. Chen, K. He, L. L. Wang, L. W. Guo, G. D. Liu, Q. K. Xue, and X. C. Ma, Superconductivity in Ca-intercalated epitaxial graphene on silicon carbide, Appl. Phys. Lett. 103, (2013) L. L. Wang, X. C. Ma, X. Chen, and Q. K. Xue, Molecular beam epitaxy and superconductivity of stoichiometric FeSe and K x Fe 2 y Se 2 crystalline films, Chin. Phys. B 22, (2013) K. Sun, K. Park, J. L. Xie, J. Y. Luo, H. K. Yuan, Z. H. Xiong, J. Z. Wang, and Q. K. Xue, Direct observation of molecular orbitals in an individual single-molecule magnet Mn 12 on Bi(111), ACS Nano 7, 6825 (2013) S. L. He, J. F. He, W. H. Zhang, L. Zhao, D. F. Liu, D. X. Mou, Y. B. Ou, Q. Y. Wang, Z. Li, L. L. Wang, Y. Y. Peng, Y. Liu, C. Y. Chen, L. Yu, G. D. Liu, X. L. Dong, J. Zhang, C. T. Chen, Z. Y. Xu, X. Chen, X. C. Ma, Q. K. Xue, and X. J. Zhou, Phase diagram and electronic indication of high-temperature superconductivity at 65K in single-layer FeSe films, Nat. Mater. 12, 605 (2013) W. W. Zhao, Q. Y. Wang, M. H. Liu, W. H. Zhang, Y. L. Wang, M. Chen, Y. Guo, K. He, X. Chen, Y. Y. Wang, J. Wang, X. C. Xie, Q. Niu, L. L. Wang, X. C. Ma, J. K. Jain, M. H. W. Chan, and Q. K. Xue, Evidence for Berezinskii-Kosterlitz-Thouless transition in atomically flat two-dimensional Pb superconducting films, Solid State Commun. 165, 59 (2013) K. He, X. C. Ma, X. Chen, L. Lu, Y. Y. Wang, and Q. K. Xue, From magnetically doped topological insulator to the quantum anomalous Hall effect, Chin. Phys. B 22, (2013) J. Bang, Z. Li, Y. Y. Sun, A. Samanta, Y. Y. Zhang, W. H. Zhang, L. L. Wang, X. Chen, X. C. Ma, Q. K. Xue, and S. B. Zhang, Atomic and electronic structures of single-layer FeSe on SrTiO 3 (001): The role of oxygen deficiency, Phys. Rev. B 87, (2013) L. Zhang, H. X. Chang, A. Hirata, H. K. Wu, Q. K. Xue, and M. W. Chen, Nanoporous gold based optical sensor for sub-ppt detection of mercury ions, ACS Nano 7, 4595 (2013) Q. K. Xue, Topological insulators: Full spin ahead for photoelectrons, Nat. Phys. 9, 265 (2013). 16

17 116. C. Z. Chang, J. S. Zhang, X. Feng, J. Shen, Z. C. Zhang, M. H. Guo, K. Li, Y. B. Ou, P. Wei, L. L. Wang, Z. Q. Li, Y. Feng, S. H. Ji, X. Chen, J. F. Jia, X. Dai, Z. Fang, S. C. Zhang, K. He, Y. Y. Wang, L. Lu, X. C. Ma, and Q. K. Xue, Experimental observation of the quantum anomalous Hall effect in a magnetic topological insulator, Science 340, 167 (2013) J. S. Zhang, C. Z. Chang, P. Z. Tang, Z. C. Zhang, X. Feng, K. Li, L. L. Wang, X. Chen, C. X. Liu, W. H. Duan, K. He, Q. K. Xue, X. C. Ma, and Y. Y. Wang, Topologydriven magnetic quantum phase transition in topological insulators, Science 339, 1582 (2013) Q. Y. Wang, W. H. Zhang, L. L. Wang, K. He, X. C. Ma, and Q. K. Xue, Largescale uniform bilayer graphene prepared by vacuum graphitization of 6H-SiC(0001) substrates, J. Phys.: Condens. Matter 25, (2013) C. Z. Chang, J. S. Zhang, M. H. Liu, Z. C. Zhang, X. Feng, K. Li, L. L. Wang, X. Chen, X. Dai, Z. Fang, X. L. Qi, S. C. Zhang, Y. Y. Wang, K. He, X. C. Ma, and Q. K. Xue, Thin films of magnetically doped topological insulator with carrier-independent longrange ferromagnetic order, Adv. Mater. 25, 1065 (2013) L. Miao, Z. F. Wang, W. M. Ming, M. Y. Yao, M. X. Wang, F. Yang, Y. R. Song, F. F. Zhu, A. V. Fedorov, Z. Sun, C. L. Gao, C. H. Liu, Q. K. Xue, C. X. Liu, F. Liu, D. Qian, and J. F. Jia, Quasiparticle dynamics in reshaped helical Dirac cone of topological insulators, Proc. Natl. Acad. Sci. U.S.A. 110, 2758 (2013) Z. C. Zhang, X. Feng, M. H. Guo, Y. B. Ou, J. S. Zhang, K. Li, L. L. Wang, X. Chen, Q. K. Xue, X. C. Ma, K. He, and Y. Y. Wang, Transport properties of Sb 2 Te 3 /Bi 2 Te 3 topological insulator heterostructures, Phys. Status Solidi-R. 7, 142 (2013) Y. L. Wang, Y. P. Jiang, M. Chen, Z. Li, C. L. Song, L. L. Wang, K. He, X. Chen, X. C. Ma, and Q. K. Xue, Scanning tunneling microscopy of interface properties of Bi 2 Se 3 on FeSe, J. Phys.: Condens. Matter 24, (2012) J. Park, Y. A. Soh, G. Aeppli, S. R. Bland, X. G. Zhu, X. Chen, Q. K. Xue, and F. Grey, Crystal structure and epitaxy of Bi 2 Te 3 films grown on Si, Appl. Phys. Lett. 101, (2012) J. Wang, H. D. Li, C. Z. Chang, K. He, J. S. Lee, H. Z. Lu, Y. Sun, X. C. Ma, N. Samarth, S. Q. Shen, Q. K. Xue, M. H. Xie, and M. H. W. Chan, Anomalous anisotropic magnetoresistance in topological insulator films, Nano Res. 5, 739 (2012) C. L. Song, Y. L. Wang, Y. P. Jiang, L. L. Wang, K. He, X. Chen, J. E. Hoffman, X. C. Ma, and Q. K. Xue, Suppression of superconductivity by twin boundaries in FeSe, Phys. Rev. Lett. 109, (2012) M. Liu, Y. Han, L. Tang, J. F. Jia, Q. K. Xue, and F. Liu, Interplay between quantum size effect and strain effect on growth of nanoscale metal thin films, Phys. Rev. B 86, (2012) M. Chen, J. P. Peng, H. M. Zhang, L. L. Wang, K. He, X. C. Ma, and Q. K. Xue, Molecular beam epitaxy of bilayer Bi(111) films on topological insulator Bi 2 Te 3 : A scanning tunneling microscopy study, Appl. Phys. Lett. 101, (2012). 17

18 128. W. Li, H. Ding, Z. Li, P. Deng, K. Chang, K. He, S. H. Ji, L. L. Wang, X. C. Ma, J. P. Hu, X. Chen, and Q. K. Xue, KFe 2 Se 2 is the parent compound of K-doped iron selenide superconductors, Phys. Rev. Lett. 109, (2012) C. L. Song, Y. P. Jiang, Y. L. Wang, Z. Li, L. L. Wang, K. He, X. Chen, X. C. Ma, and Q. K. Xue, Gating the charge state of single Fe dopants in the topological insulator Be 2 Se 3 with a scanning tunneling microscope, Phys. Rev. B 86, (2012) K. Sun, T. N. Shao, J. L. Xie, M. Lan, H. K. Yuan, Z. H. Xiong, J. Z. Wang, Y. Liu, and Q. K. Xue, Chiral pinwheel clusters lacking local point chirality, Small 8, 2078 (2012) D. F. Liu, W. H. Zhang, D. X. Mou, J. F. He, Y. B. Ou, Q. Y. Wang, Z. Li, L. L. Wang, L. Zhao, S. L. He, Y. Y. Peng, X. Liu, C. Y. Chen, L. Yu, G. Liu, X. L. Dong, J. Zhang, C. T. Chen, Z. Y. Xu, J. P. Hu, X. Chen, X. C. Ma, Q. K. Xue, and X. J. Zhou, Electronic origin of high-temperature superconductivity in single-layer FeSe superconductor, Nat. Commun. 3, 931 (2012) Y. F. Wang, F. Y. Fu, B. Jiang, A. Y. Qi, Q. K. Xue, and W. H. Zheng, Optical properties of crescent pair for sensing, Jpn. J. Appl. Phys. 51, (2012) H. Q. Mao, N. Li, X. Chen, and Q. K. Xue, Modulation of step heights of thin Pb films by the quantum size effect observed by non-contact atomic force microscopy, Chin. Phys. Lett. 29, (2012) Y. F. Wang, H. L. Wang, Q. K. Xue, and W. H. Zheng, Photonic crystal self-collimation sensor, Opt. Express 20, (2012) C. L. Song, B. Sun, Y. L. Wang, Y. P. Jiang, L. L. Wang, K. He, X. Chen, P. Zhang, X. C. Ma, and Q. K. Xue, Change-transfer-induced cesium superlattices on graphene, Phys. Rev. Lett. 108, (2012) M. X. Wang, C. H. Liu, J. P. Xu, F. Yang, L. Miao, M. Y. Yao, C. L. Gao, C. Y. Shen, X. C. Ma, X. Chen, Z. A. Xu, Y. Liu, S. C. Zhang, D. Qian, J. F. Jia, and Q. K. Xue, The coexistence of superconductivity and topological order in the Bi 2 Se 3 thin films, Science 336, 52 (2012) S. C. Zhang, Z. Fang, and Q. K. Xue, Advances in topological materials, Front. Phys. 7(2), 147 (2012) H. H. Hung, C. L. Song, X. Chen, X. C. Ma, Q. K. Xue, and C. J. Wu, Anisotropic vortex lattice structures in the FeSe superconductor, Phys. Rev. B 85, (2012) Q. Y. Wang, Z. Li, W. H. Zhang, Z. C. Zhang, J. S. Zhang, W. Li, H. Ding, Y. B. Ou, P. Deng, K. Chang, J. Wen, C. L. Song, K. He, J. F. Jia, S. H. Ji, Y. Y. Wang, L. L. Wang, X. Chen, X. C. Ma, and Q. K. Xue, Interface-induced high-temperature superconductivity in single unit-cell FeSe films on SrTiO 3, Chin. Phys. Lett. 29, (2012) H. Q. Mao, N. Li, X. Chen, and Q. K. Xue, Mechanical properties of H 2 Pc selfassembled monolayers at the single molecule level by noncontact atomic force microscopy, J. Phys.: Condens. Matter 24, (2012). 18

19 141. S. Matsuo, T. Koyama, K. Shimamura, T. Arakawa, Y. Nishihara, D. Chiba, K. Kobayashi, T. Ono, C. Z. Chang, K. He, X. C. Ma, and Q. K. Xue, Weak antilocalization and conductance fluctuation in a submicrometer-sized wire of epitaxial Bi 2 Se 3, Phys. Rev. B 85, (2012) Y. S. Fu, Q. K. Xue, and R. Wiesendanger, Spin-resolved splitting of Kondo resonances in the presence of RKKY-type coupling, Phys. Rev. Lett. 108, (2012) D. West, Y. Y. Sun, S. B. Zhang, T. Zhang, X. C. Ma, P. Cheng, Y. Y. Zhang, X. Chen, J. F. Jia, and Q. K. Xue, Identification of magnetic dopants on the surfaces of topological insulators: Experiment and theory for Fe on Bi 2 Te 3 (111), Phys. Rev. B 85, (2012) Y. P. Jiang, Y. Y. Sun, M. Chen, Y. L. Wang, Z. Li, C. L. Song, K. He, L. L. Wang, X. Chen, Q. K. Xue, X. C. Ma, and S. B. Zhang, Fermi-level tuning of epitaxial Sb 2 Te 3 thin films on graphene by regulating intrinsic defects and substrate transfer doping, Phys. Rev. Lett. 108, (2012) P. Cheng, T. Zhang, K. He, X. Chen, X. C. Ma, and Q. K. Xue, Scanning tunneling microscopy studies of topological insulators, Physica E 44, 912 (2012) W. Li, H. Ding, P. Deng, K. Chang, C. L. Song, K. He, L. L. Wang, X. C. Ma, J. P. Hu, X. Chen, and Q. K. Xue, Phase separation and magnetic order in K-doped iron selenide superconductor, Nat. Phys. 8, 126 (2012) M. H. Liu, J. S. Zhang, C. Z. Chang, Z. C. Zhang, X. Feng, K. Li, K. He, L. L. Wang, X. Chen, X. Dai, Z. Fang, Q. K. Xue, X. C. Ma, and Y. Y. Wang, Crossover between weak antilocalization and weak localization in a magnetically doped topological insulator, Phys. Rev. Lett. 108, (2012) J. Wang, C. Z. Chang, H. D. Li, K. He, D. M. Zhang, M. Singh, X. C. Ma, N. Samarth, M. H. Xie, Q. K. Xue, and M. H. W. Chan, Interplay between topological insulators and superconductors, Phys. Rev. B 85, (2012) Y. P. Jiang, Y. L. Wang, M. Chen, Z. Li, C. L. Song, K. He, L. L. Wang, X. Chen, X. C. Ma, and Q. K. Xue, Landau quantization and the thickness limit of topological insulator thin films of Sb 2 Te 3, Phys. Rev. Lett. 108, (2012) H. Zheng, M. H. Xie, and Q. K. Xue, Ordered versus random nucleation of InN islands grown by molecular beam epitaxy, Surf. Sci. 606, 120 (2012) J. Wang, W. Li, P. Cheng, C. L. Song, T. Zhang, P. Deng, X. Chen, X. C. Ma, K. He, J. F. Jia, Q. K. Xue, and B. F. Zhu, Power-law decay of standing waves on the surface of topological insulators, Phys. Rev. B 84, (2011) J. S. Zhang, C. Z. Chang, Z. C. Zhang, J. Wen, X. Feng, K. Li, M. H. Liu, K. He, L. L.Wang, X. Chen, Q. K. Xue, X. C. Ma, and Y. Y. Wang, Band structure engineering in (Bi 1 x Sb x ) 2 Te 3 ternary topological insulators, Nat. Commun. 2, 574 (2011) G. F. Sun, Y. Liu, S. H. Rhim, J. F. Jia, Q. K. Xue, M. Weinert, and L. Li, Si diffusion path for pit-free graphene growth on SiC(0001), Phys. Rev. B 84, (2011) J. F. Jia, X. C. Ma, X. Chen, T. Sakurai, and Q. K. Xue, STM and MBE: One of the best combinations, J. Phys. D: Appl. Phys. 44, (2011). 19