Zhaogang Dong;Zackaria Mahfoud;Ramón Paniagua-Domínguez;Hongtao Wang;Antonio I.Fernández-Domínguez;Sergey Gorelik;Son Tung Ha;Febiana Tjiptoharsono;Arseniy I.Kuznetsov;Michel Bosman;Joel K.W.Yang-Institute of Materials Research and Engineering,A*STAR(Agency for Science,Technology and Research),2 Fusionopolis Way,#08-03 Innovis,138634 Singapore,Singapore;Department of Materials Science and Engineering,National University of Singapore,9 Engineering Drive 1,117575 Singapore,Singapore;Singapore University of Technology and Design,8 Somapah Road,487372 Singapore,Singapore;Departamento de Física Teórica de la Materia Condensada and Condensed Matter Physics Center,Universidad Autónoma de Madrid,28049 Madrid,Spain;Singapore Institute of Food and Biotechnology Innovation,A*STAR(Agency for Science,Technology and Research),31 Biopolis Way,#01-02 Nanos,138669 Singapore,Singapore

Dezhong Zhang;Yunxing Fu;Hongmei Zhan;Chenyang Zhao;Xiang Gao;Chuanjiang Qin;Lixiang Wang-State Key Laboratory of Polymer Physics and Chemistry,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China;School of Applied Chemistry and Engineering,University of Science and Technology of China,Hefei 230026,China

Haoran Zhang;Zhen Sun;Ruoyang Qi;Liuguo Yin;Gui-Lu Long;Jianhua Lu-State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics,Tsinghua University,Beijing,China;Beijing Academy of Quantum Information Science,Beijing,China;School of Information and Technology,Tsinghua University,Beijing,China;Beijing Institute of Spacecraft System Engineering,Beijing,China;Frontier Science Center for Quantum Information,Beijing,China;Beijing National Research Center for Information Science and Technology,Beijing,China

Biao Wu;Haihong Zheng;Shaofei Li;Junnan Ding;Jun He;Yujia Zeng;Keqiu Chen;Zongwen Liu;Shula Chen;Anlian Pan;Yanping Liu-School of Physics and Electronics,Hunan Key Laboratory for Super-microstructure and Ultrafast Process,Central South University,932 South Lushan Road,Changsha,Hunan 410083,China;State Key Laboratory of High-Performance Complex Manufacturing,Central South University,932 South Lushan Road,Changsha,Hunan 410083,China;Department of Applied Physics,School of Physics and Electronics,Hunan University,Changsha 410082,China;School of Chemical and Biomolecular Engineering,The University of Sydney,Sydney,NSW 2006,Australia;The University of Sydney Nano Institute,The University of Sydney,Sydney,NSW 2006,Australia;Hunan Institute of Optoelectronic Integration,College of Materials Science and Engineering,Hunan University,Changsha,Hunan 410082,China;Shenzhen Research Institute of Central South University,A510a,Virtual University Building,Southern District,High-tech Industrial Park,Yuehai Street,Nanshan District,Shenzhen,China

Zhongjian Xie;Yanhong Duo;Taojian Fan;Yao Zhu;Shuai Feng;Chuanbo Li;Honglian Guo;Yanqi Ge;Shakeel Ahmed;Weichun Huang;Huiling Liu;Ling Qi;Rui Guo;Defa Li;Paras N.Prasad;Han Zhang-Institute of Pediatrics,Shenzhen Children's Hospital,Shenzhen,Guangdong,China;Shenzhen Engineering Laboratory of phosphorene and Optoelectronics;International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education,Shenzhen Institute of Translational Medicine,Department of Otolaryngology,Shenzhen Second People's Hospital,the First Affiliated Hospital,Institute of Microscale Optoelectronics,Shenzhen University,518060 Shenzhen,China;Department of Microbiology,Tumor and Cell Biology(MTC),Karolinska Institute,Stockholm,Sweden;Shenzhen Medical Ultrasound Engineering Center,Department of Ultrasonography,Shenzhen People's Hospital,Second Clinical Medical College of Jinan University,First Clinical Medical College of Southern University of Science and Technology,518020 Shenzhen,China;Optoelectronics Research Center,School of Science,Minzu University of China,100081 Beijing,PR China;Nantong Key Lab of Intelligent and New Energy Materials,College of Chemistry and Chemical Engineering,Nantong University,226019 Nantong,Jiangsu,China;Key Laboratory of Biomaterials of Guangdong Higher Education Institutes,Guangdong Provincial Engineering and Technological Research Centre for Drug Carrier Development,Department of Biomedical Engineering,Jinan University,510632 Guangzhou,China;Department of Core Medical Laboratory,the Sixth Affiliated Hospital of Guangzhou Medical University,Qingyuan People's Hospital,Qingyuan,Guang Dong Province,China;Department of Laboratory Medicine,Shenzhen Children's Hospital,Shenzhen,Guangdong,China;Institute for Lasers,Photonics,and Biophotonics and Department of Chemistry,University at Buffalo,State University of New York,Buffalo,NY,USA

Zi-Ming Qiu;Yang Bai;Yi-Dan Gao;Chun-Li Liu;Yue Ru;Ye-Can Pi;Yi-Zhou Zhang;Yong-Song Luo;Huan Pang-School of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou 225009,China;Institute of Advanced Materials and Flexible Electronics(IAMFE),School of Chemistry and Materials Science,Nanjing University of Information Science&Technology,Nanjing 210044,China;Henan International Joint Laboratory of MXene Materials Microstructure,College of Physics and Electronic Engineering,Nanyang Normal University,Nanyang 473061,China;Key Laboratory of Microelectronics and Energy of Henan Province,Xinyang Normal University,Xinyang 464000,China

Chu Ye;Lin-Lin Li;Yun Shu;Qian-Rui Li;Jing Xia;Zhi-Peng Hou;Yan Zhou;Xiao-Xi Liu;Yun-You Yang;Guo-Ping Zhao-College of Physics and Electronic Engineering,Sichuan Normal University,Chengdu 610068,China;Center for Magnetism and Spintronics,Sichuan Normal University,Chengdu 610068,China;Guangdong Provincial Key Laboratory of Optical Information Materials and Technology,Guangzhou 510006,China;Institute for Advanced Materials,South China Normal University,South China Academy of Advanced Optoeletronics,Guangzhou 510006,China;School of Science and Engineering,The Chinese University of Hong Kong,Shenzhen 518172,China;Department of Electrical and Computer Engineering,Shinshu University,Nagano 380-8553,Japan

Aviv Karnieli;Yongyao Li;Ady Arie-Raymond and Beverly Sackler School of Physics and Astronomy,Tel Aviv University,Ramat Aviv 69978,Tel Aviv,Israel;School of Physics and Optoelectronic Engineering,Foshan University,Foshan 528000,China;School of Electrical Engineering,Fleischman Faculty of Engineering,Tel Aviv University,Tel Aviv,Israel

Si-Yu Li;Lin He-Key Laboratory for Micro-Nano Physics and Technology of Hunan Province,College of Materials Science and Engineering,Hunan University,Changsha 410082,China;Center for Advanced Quantum Studies,Department of Physics,Beijing Normal University,Beijing 100875,China

Qi-Ping Su;Yu Zhang;Liang Bin;Chui-Ping Yang-School of Physics,Hangzhou Normal University,Hangzhou 311121,China;School of Physics,Nanjing University,Nanjing 210093,China;Quantum Information Research Center,Shangrao Normal University,Shangrao 334001,China

I. V. Aleksandrova;E. R. Koresheva;E. L. Koshelev-P.N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow119991, Russia

I.V.Aleksandrova;E.R.Koresheva;E.L.Koshelev-P.N.Lebedev Physical Institute,Russian Academy of Sciences,Moscow 119991,Russia

Xianxin Wu;Xin Liu;Ronny Thomale;Chao-Xing Liu-Institut für Theoretische Physik und Astrophysik,Julius-Maximilians-Universit?t Würzburg,97074 Würzburg,Germany;School of Physics,Huazhong University of Science and Technology,Wuhan 430074,China;Wuhan National High Magnetic Field Center,Huazhong University of Science and Technology,Wuhan 430074,China;Department of Physics,the Pennsylvania State University,University Park,PA 16802,USA

Li Liu;Ruxue Wang;Xuyi Zhao;Wenfu Yu;Yi Jin;Qian Gong;Aimin Wu-State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China;Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of Terahertz Solid State Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China;Centre for Optical and Electromagnetic Research and International Research Center for Advanced Photonics, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310058, China;e-mail: jinyi_2008@zju.edu.cn;e-mail: qgong@mail.sim.ac.cn;e-mail: wuaimin@mail.sim.ac.cn

LI LIU;RUXUE WANG;XUYI ZHAO;WENFU YU;YI JIN;QIAN GONG;AIMIN WU-State Key Laboratory of Functional Materials for Informatics,Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai 200050,China;Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100049,China;Key Laboratory of Terahertz Solid State Technology,Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai 200050,China;Centre for Optical and Electromagnetic Research and International Research Center for Advanced Photonics,College of Optical Science and Engineering,Zhejiang University,Hangzhou 310058,China

Jiacheng Gao;Yuting Qian;Huaxian Jia;Zhaopeng Guo;Zhong Fang;Miao Liu;Hongming Weng;Zhijun Wang-Beijing National Laboratory for Condensed Matter Physics,and Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China;University of Chinese Academy of Sciences,Beijing 100049,China

Deping Guo;Pengjie Guo;Shijing Tan;Min Feng;Limin Cao;Zheng-Xin Liu;Kai Liu;Zhong-Yi Lu;Wei Ji-Beijing Key Laboratory of Optoelectronic Functional Materials&Micro-Nano Devices,Department of Physics,Renmin University of China,Beijing 100872,China;Songshan Lake Materials Laboratory,Dongguan 523808,China;Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China;Hefei National Laboratory for Physical Sciences at the Microscale,University of Science and Technology of China,Hefei 230026,China;School of Physics and Technology and Key Laboratory of Artificial Micro-and Nano-Structures of Ministry of Education,Wuhan University,Wuhan 430072,China;Institute for Advanced Studies,Wuhan University,Wuhan 430072,China

Haitao Yang;Zihao Huang;Yuhang Zhang;Zhen Zhao;Jinan Shi;Hailan Luo;Lin Zhao;Guojian Qian;Hengxin Tan;Bin Hu;Ke Zhu;Zouyouwei Lu;Hua Zhang;Jianping Sun;Jinguang Cheng;Chengmin Shen;Xiao Lin;Binghai Yan;Xingjiang Zhou;Ziqiang Wang;Stephen J.Pennycook;Hui Chen;Xiaoli Dong;Wu Zhou;Hong-Jun Gao-Beijing National Center for Condensed Matter Physics and Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China;School of Physical Sciences,University of Chinese Academy of Sciences,Beijing 100190,China;CAS Center for Excellence in Topological Quantum Computation,University of Chinese Academy of Sciences,Beijing 100190,China;Department of Condensed Matter Physics,Weizmann Institute of Science,Rehovot 7610001,Israel;Department of Physics,Boston College,Chestnut Hill,MA 02467,USA

Kangkang Li;Zhaoxin Liang-Department of Physics,Zhejiang Normal University,Jinhua 321004,China

Masumeh Sarkhoush;Hassan Rasooli Saghai;Hadi Soofi-Department of Electrical Engineering,Shabestar Branch,Islamic Azad University,Shabestar 5381637181,Iran;Department of Electrical Engineering,Tabriz Branch,Islamic Azad University,Tabriz 5167636137,Iran;Faculty of Electrical and Computer Engineering,University of Tabriz,Tabriz 5166616471,Iran