姚裕贵
发明人: 王秩伟,李永恺,姚裕贵
申请人: 北京理工大学长三角研究院(嘉兴),北京理工大学
申请号: 202311209761.3
申请日期: 2023.09.19
摘要: 本发明涉及一种制备层状磁性材料CoBr2单晶的方法,属于单晶材料技术领域。通过将Co粉、BiBr3粉和Bi颗粒真空密封在石英管中,然后置于高温炉中,首先室温升温到450~600℃,恒温保持5h以上,随后以1~6℃/h的速度降温到270~320℃,快速打开高 ...
发明人: 王秩伟,李永恺,朱鹏,姚裕贵
申请人: 北京理工大学长三角研究院(嘉兴),北京理工大学
申请号: 202311210127.1
申请日期: 2023.09.19
摘要: 本发明涉及一种拓扑半金属材料SrIn2As2片状单晶及其制备方法,属于单晶材料技术领域。通过将Sr、In和As真空密封在石英管中,将真空密封后的石英管置于高温炉中,自室温升温到900~1100℃,恒温保持5h以上,随后以0.5~4℃/h的速度降温到600~ ...
发明人: 王秩伟,杨莹,胡金国,姚裕贵
申请人: 北京理工大学,北京理工大学长三角研究院(嘉兴),晶工新材料(扬中)有限公司
申请号: 202311039663.X
申请日期: 2023.08.17
摘要: 本发明涉及一种大带隙拓扑绝缘体材料Bi4Br4纳米结构及其制备方法,属于晶体材料技术领域。所述纳米结构采用物理气相输运法制备得到的,所述方法以Bi4Br4单晶为原料,通过对原料端在320~400℃真空加热并恒温保 ...
作者: Junfeng Han,Pengcheng Mao,Hailong Chen,Jia-Xin Yin,Maoyuan Wang,Dongyun Chen,Yongkai Li,Jingchuan Zheng,Xu Zhang,Dashuai Ma,Qiong Ma,Zhi-Ming Yu,Jinjian Zhou,Cheng-Cheng Liu,Yeliang Wang,Shuang Jia,Yuxiang Weng,M.Zahid Hasan,Wende Xiao,Yugui Yao (Centre for Quantum Physics,Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement(Ministry of Education),School of Physics,Beijing Institute of Technology,Beijing 100081,China;Yangtze Delta Region Academy of Beijing Institute of Technology,Jiaxing 314000,China;Beijing Key Laboratory of Nanophotonics&Ultrafine Optoelectronic Systems,Beijing Institute of Technology,Beijing 100081,China;Centre for Quantum Physics,Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement(Ministry of Education),School of Physics,Beijing Institute of Technology,Beijing 100081,China;Analysis&Testing Center,Beijing Institute of Technology,Beijing 100081,China;Beijing National Laboratory for Condensed Matter Physics and Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China;Songshan Lake Materials Laboratory,Dongguan 523808,China;School of Physical Sciences,University of Chinese Academy of Sciences,Beijing 100190,China;Laboratory for Topological Quantum Matter and Advanced Spectroscopy(B7),Department of Physics,Princeton University,Princeton NJ 08544,USA;Centre for Quantum Physics,Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement(Ministry of Education),School of Physics,Beijing Institute of Technology,Beijing 100081,China;Department of Physics,Xiamen University,Xiamen 361005,China;Centre for Quantum Physics,Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement(Ministry of Education),School of Physics,Beijing Institute of Technology,Beijing 100081,China;Beijing Key Laboratory of Nanophotonics&Ultrafine Optoelectronic Systems,Beijing Institute of Technology,Beijing 100081,China;Centre for Quantum Physics,Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement(Ministry of Education),School of Physics,Beijing Institute of Technology,Beijing 100081,China;Department of Physics,Chongqing University,Chongqing 400044,China;Department of Physics,Boston College,Chestnut Hill MA 02467,USA;School of Integrated Circuits and Electronics,MIITT Key Laboratory for Low-Dimensional Quantum Structure and Devices,Beijing Institute of Technology,Beijing 100081,China;International Center for Quantum Materials,School of Physics,Peking University,Beijing 100871,China;Beijing National Laboratory for Condensed Matter Physics and Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China;Songshan Lake Materials Laboratory,Dongguan 523808,China)
出处: 科学通报(英文版) 2023 第68卷 第4期 P417-423
关键词: Topological insulator;Quantum spin Hall effect;Bi4Br4;Edge states;Mid-infrared absorption micro-spectroscopy;Pump-probe micro-spectroscopy
摘要: The bulk-boundary correspondence is a critical concept in topological quantum materials.For instance,a quantum spin Hall insulator features a bulk ins ...
作者: 裴翠颖1;,朱鹏2,3,4;,李炳谈5,6;,赵毅1;,高玲玲1;,李昌华1;,朱世豪1;,张庆华7;,应天平7;,谷林7;,高波8;,缑慧阳8;,姚延荪9;,孙建10;,刘寒雨5,6;,陈宇林1,11,12;,王秩伟2,3,4;,姚裕贵2,3;,齐彦鹏1,11,13; (1School of Physical Science and Technology,ShanghaiTech University;2Centre for Quantum Physics,Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement(MOE),School of Physics,Beijing Institute of Technology;3Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems,Beijing Institute of Technology;4Material Science Center,Yangtze Delta Region Academy of Beijing Institute of Technology;5State Key Laboratory of Superhard Materials and International Center for Computational Method and Software,College of Physics,Jilin University;6International Center of Future Science,Jilin University;7Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences;8Center for High Pressure Science and Technology Advanced Research;9Department of Physics and Engineering Physics,University of Saskatchewan;10National Laboratory of Solid State Microstructures,School of Physics and Collaborative Innovation Center of Advanced Microstructures,Nanjing University;11ShanghaiTech Laboratory for Topological Physics,ShanghaiTech University;12Department of Physics,Clarendon Laboratory,University of Oxford;13Shanghai Key Laboratory of High-resolution Electron Microscopy,ShanghaiTech University)
出处: Science China(Materials) 2023 第66卷 第7期 P2822-2828
摘要:
最近,天然异质结(PbSe)5(Bi2Se3)6在理论上预测并实验证实为拓扑绝缘体.本文通过高压原位量子调控在(PbSe)5(Bi2Se3)
作者: Junfeng Han;Pengcheng Mao;Hailong Chen;Jia-Xin Yin;Maoyuan Wang;Dongyun Chen;Yongkai Li;Jingchuan Zheng;Xu Zhang;Dashuai Ma;Qiong Ma;Zhi-Ming Yu;Jinjian Zhou;Cheng-Cheng Liu;Yeliang Wang;Shuang Jia;Yuxiang Weng;M. Zahid Hasan;Wende Xiao;Yugui Yao (1Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (Ministry of Education), School of Physics, Beijing Institute of Technology, Beijing 100081, China;2Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314000, China;3Beijing Key Laboratory of Nanophotonics & Ultrafine Optoelectronic Systems, Beijing Institute of Technology, Beijing 100081, China;4These authors contributed equally to this work.;5Analysis & Testing Center, Beijing Institute of Technology, Beijing 100081, China;6Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;7Songshan Lake Materials Laboratory, Dongguan 523808, China;8School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China;9Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ 08544, USA;10Department of Physics, Xiamen University, Xiamen 361005, China;11Department of Physics, Boston College, Chestnut Hill MA 02467, USA;12School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing 100081, China;13International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China;14Lawrence Berkeley National Laboratory, Berkeley CA 94720, USA)
出处: Science Bulletin 2023
关键词: Topological insulator;Quantum spin Hall effect;Bi4Br4;Edge states;Mid-infrared absorption micro-spectroscopy;Pump-probe micro-spectroscopy
摘要: The bulk-boundary correspondence is a critical concept in topological quantum materials. For instance, a quantum spin Hall insulator features a bulk i ...
作者: Hu,Xuegao12;Zhang,Run-Wu3;Ma,Da-Shuai4;Cai,Zhihao12;Geng,Daiyu12;Sun,Zhenyu12;Zhao,Qiaoxiao12;Gao,Jisong12;Cheng,Peng12;Chen,Lan125;Wu,Kehui1256;Yao,Yugui3;Feng,Baojie126; (1Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China;2School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China;3Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics and Beijing Key Lab of Nanophotonics Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing, 100081, China;4Institute for Structure and Function, Chongqing University, Department of Physics, Chongqing, 400044, China;5Songshan Lake Materials Laboratory, Guangdong, Dongguan, 523808, China;6Interdisciplinary Institute of Light-Element Quantum Materials, Research Center for Light-Element Advanced Materials, Peking University, Beijing, 100871, China)
出处: Nano Letters 2023 Vol.23 No.12 P5610-5616
摘要: Two-dimensional checkerboard lattice, the simplest line-graph lattice, has been intensively studied as a toy model, while material design and synthesi ...
作者: Luo,Yang1;Han,Yulei2;Liu,Jinjin34;Chen,Hui5;Huang,Zihao5;Huai,Linwei1;Li,Hongyu1;Wang,Bingqian1;Shen,Jianchang1;Ding,Shuhan1;Li,Zeyu1;Peng,Shuting1;Wei,Zhiyuan1;Miao,Yu1;Sun,Xiupeng1;Ou,Zhipeng1;Xiang,Ziji1;Hashimoto,Makoto6;Lu,Donghui6;Yao,Yugui34;Yang,Haitao5;Chen,Xianhui1;Gao,Hong-Jun5;Qiao,Zhenhua17;Wang,Zhiwei348;He,Junfeng1; (1Department of Physics and CAS Key Laboratory of Strongly-coupled Quantum Matter Physics, University of Science and Technology of China, Anhui, Hefei, 230026, China;2Department of Physics, Fuzhou University, Fujian, Fuzhou, 350108, China;3Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China;4Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, Beijing Institute of Technology, Beijing, 100081, China;5Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China;6Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, 94025, CA, United States;7International Center for Quantum Design of Functional Materials, University of Science and Technology of China, Anhui, Hefei, 230026, China;8Material Science Center, Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314011, China)
出处: Nature Communications 2023 Vol.14 No.1
摘要: Van Hove singularity (VHS) has been considered as a driving source for unconventional superconductivity. A VHS in two-dimensional (2D) materials consi ...
作者: Zhou, Xiaodong1,2,3;Feng, Wanxiang2,3;Li, Yinwei1;Yao, Yugui2,3 (1Jiangsu Normal Univ, Sch Phys & Elect Engn, Lab Quantum Funct Mat Design & Applicat, Xuzhou 221116, Peoples R China.;2Beijing Inst Technol, Ctr Quantum Phys, Sch Phys, Key Lab Adv Optoelect Quantum Architecture & Measu, Beijing 100081, Peoples R China.;3Beijing Inst Technol, Sch Phys, Beijing Key Lab Nanophoton & Ultrafine Optoelect S, Beijing 100081, Peoples R China.)
出处: NANO LETTERS 2023 Vol.23 No.12 P5680-5687
关键词: REALIZATION; STATES
摘要: The quantum anomalous Hall effect (QAHE) is a highlyresearchedtopic in condensed matter physics due to its ability to enable dissipationlesstransport. ...
作者: Zhang, Jidong1,2;Guo, Wei3,4;Yao, Yugui3,4,5 (1Shihezi Univ, Coll Sci, Xinjiang Prod & Construction Corps Key Lab, Adv Energy Storage Mat & Technol, Shihezi 832000, Peoples R China.;2Peking Univ, Int Ctr Quantum Mat, Sch Phys, Beijing 100871, Peoples R China.;3Beijing Inst Technol, Front Sci Ctr High Energy Mat MOE, Beijing 100081, Peoples R China.;4Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China.;5Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China.)
出处: JOURNAL OF PHYSICAL CHEMISTRY LETTERS 2023 Vol.14 No.32 P7141-7148
关键词: THERMAL-DECOMPOSITION; SHOCK INITIATION; SENSITIVITY; WAVE; MECHANISM; STATE; SIMULATIONS; DISPERSION; PYROLYSIS; CRYSTAL
摘要: Detonation of energetic materials (EMs) is of great importancefor military applications, while the understanding of detailed eventsand mechanisms for ...