北京理工大學

（1）材料的晶體生長和新材料探索。主要包括拓撲絕緣體、拓撲超導體、拓撲半金屬、非常規超導體、二維材料、熱電材料、光電材料等等。利用熔融法、助溶劑法、化學氣相輸運法、布里奇曼法、電化學法等單晶制備方法合成高質量的單晶材料，并利用XRD、SEM、EDX、TEM、ICP、XPS等技術手段對材料進行基本表征。

（2）材料的物理性質以及物性與結構、微結構相關聯研究。利用PPMS、MPMS等設備研究材料的電學、磁學、熱力學等性質。并結合XRD和TEM研究技術研究材料物理性質和結構、微結構之間的關聯。

（3）納米材料的生長和基本表征。利用VLS法、氣相輸運法、氣相反應法等生長技術合成拓撲材料納米線、納米柱、納米片等納米材料。并用XRD、SEM、TEM等研究技術對納米材料進行表征。

（4）合作研究。為國內外知名課題組提供高質量樣品，開展合作研究，主要涉及ARPES、STM、光譜、結構與微結構、器件微納加工與應用等等。

學術成就

至今以第一作者或主要合作者發表SCI論文40多篇，包括1篇Nature Physics, 1篇Nature Communications, 2篇Physical Review Letters, 1篇Physical Review X, 1篇Nano Letters, 1篇Chemistry of Materials, 14篇Physical Review B 等國際重要學術期刊，文章被引用800多次。同時為美國化學學會和歐洲應用超導學會會員。代表性工作有：

【1】Observation of Chiral Fermions with a Large Topological Charge and Associated Fermi-Arc Surface States in CoSi. Daichi Takane, Zhiwei Wang, Seigo Souma, Kosuke Nakayama, Takechika Nakamura, Hikaru Oinuma, Yuki Nakata, Hideaki Iwasawa, Cephise Cacho, Timur Kim, Koji Horiba, Hiroshi Kumigashira, Takashi Takahashi, Yoichi Ando, and Takafumi Sato, Phys. Rev. Lett. 122 (2019) 076402. (Featured in Physics, Editor’s Suggestion)

【2】Nematic superconductivity in Cu1.5(PbSe)5(Bi2Se3)6. Lionel Andersen, Zhiwei Wang, Thomas Lorenz, and Yoichi Ando, Phys. Rev. B 98 (2018) 220512(R) (Editor’s Suggestion)

【3】Direct Visualization of the Nematic Superconductivity in CuxBi2Se3.Ran Tao, Ya-Jun Yan, Xi Liu, Zhi-Wei Wang, Yoichi Ando, Qiang-Hua Wang, Tong Zhang, and Dong-Lai Feng. Phys. Rev. X 8 (2018) 041024.

【4】Anomalous Fraunhofer Patterns in Gated Josephson Junctions Based on the Bulk-Insulating Topological Insulator BiSbTeSe2. Subhamoy Ghatak, Oliver Breunig, Fan Yang, Zhiwei Wang, Alexey A. Taskin, and Yoichi Ando. Nano Lett . 18 (8) 5124–5131 (2018)

【5】Thermodynamic evidence for nematic superconductivity in CuxBi2Se3. S. Yonezawa, K. Tajiri, S. Nakata, Y. Nagai, Zhiwei Wang, K. Segawa, Yoichi Ando and Y. Maeno. Nature P hysics 13, (2017) 123–126

【6】Gigantic negative magnetoresistance in a disordered topological insulator. O. Breunig#, Zhiwei Wang#, A. Taskin, Jonathan Lux, Achim. Rosch, and Y. Ando, Nature Communications , 8 (2017) 15545. (# 共同一作)

【7】Superconductivity in Tl0.6Bi2Te3 Derived from a Topological Insulator. Zhiwei Wang, A. A. Taskin, Tobias Froelich, Markus Braden, and Yoichi Ando, Chemistry of Materials . 2016, 28, 779−784.

【8】Direct Observation of Nonequivalent Fermi-Arc States of Opposite Surfaces in Noncentrosymmetric Weyl Semimetal NbP. S. Souma, Zhiwei Wang, H. Kotaka, T. Sato, K. Nakayama, Y. Tanaka, H. Kimizuka, T. Takahashi, K. Yamauchi, T. Oguchi, Kouji Segawa, Yoichi Ando, Phys Rev B , 93 (2016) 161112(R) (Editor’s Suggestion)

【9】Ferromagnetism in Cr-doped topological insulator TlSbTe2. Zhiwei Wang, Kouji Segawa, Satoshi Sasaki, A. A. Taskin, and Yoichi Ando, APL Materials , 3 (2015) 083302.

【10】Strong coupling of the iron-quadrupole and anion-dipole polarizations in Ba(Fe1-xCox)2As2. C. Ma, L. Wu, W. G. Yin, H. X. Yang, H. L. Shi, Z. W. Wang, J. Q. Li, C. C. Homes, Y. M. Zhu. Phys. Rev. Lett. 112 (2014) 077001.

【11】Structural Phase Separation in K0.8Fe1.6+xSe2 Superconductors. Z. W. Wang, Z. Wang, Y. J. Song , C. Ma, Y. Cai, Z.Chen, H. F. Tian, H. X. Yang, G. F. Chen, and J. Q. Li, J. Phys. Chem. C (2012), 116, 17847−17852.

【12】Microstructure and ordering of iron vacancies in the superconductor system KyFexSe2 as seen via transmission electron microscopy. Z. Wang, Y. J. Song , H. L. Shi, Z. W. Wang, Z. Chen, H. F. Tian, G. F. Chen, J. G. Guo, H. X. Yang and J. Q. Li, Phys. Rev. B 83 (2011) 140505(R). (Editor’s Suggestion).

教學和招生信息：

每年講授本科生和研究生課程各一門。

每年擬招收1-2研究生（包括碩士生、碩博連讀生或博士生），在讀期間將提供優厚待遇及出國學習、交流機會。歡迎有物理、化學和材料背景的畢業生報考。

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