2D materials

Atomically engineering metal vacancies in monolayer transition metal dichalcogenides

Scanning probe microscopy and scanning transmission electron microscopy (STEM) are powerful tools to trigger atomic-scale motions, …

Xiaocang Han, Mengmeng Niu, Yan Luo, Runlai Li, Jiadong Dan, Yanhui Hong, Xu Wu, Alex V Trukhanov, Wei Ji, Yeliang Wang, Jiahuan Zhou, Jingsi Qiao, Jin Zhang, Xiaoxu Zhao

Strong moiré excitons in high-angle twisted transition metal dichalcogenide homobilayers with robust commensuration

Xiaoxu Zhao, Jingsi Qiao, Xin Zhou, Hao Chen, Jun You Tan, Hongyi Yu, Si Min Chan, Jing Li, Henshui Zhang, Jiadong Zhou, Jiadong Dan, Zhen Liu, Wu Zhou, Zheng Liu, Bo Peng, Longjiang Deng, Stephen J. Pennycook, Su Ying Quek, Kian Ping Loh

Unveiling atomic-scale moiré features and atomic reconstructions in high-angle commensurately twisted transition metal dichalcogenide homobilayers

Xiaoxu Zhao, Jingsi Qiao, Si Min Chan, Jing Li, Jiadong Dan, Shoucong Ning, Wu Zhou, Su Ying Quek, Stephen J. Pennycook, Kian Ping Loh

Engineering covalently bonded 2D layered materials by self-intercalation

Xiaoxu Zhao, Peng Song, Chengcai Wang, Anders C Riis-Jensen, Wei Fu, Ya Deng, Dongyang Wan, Lixing Kang, Shoucong Ning, Jiadong Dan, T Venkatesan, Zheng Liu, Wu Zhou, Kristian S Thygesen, Xin Luo, Stephen J. Pennycook, Kian Ping Loh

Chemically exfoliated VSe$_2$ monolayers with room-temperature ferromagnetism

Wei Yu, Jing Li, Tun Seng Herng, Zishen Wang, Xiaoxu Zhao, Xiao Chi, Wei Fu, Ibrahim Abdelwahab, Jun Zhou, Jiadong Dan, Zhongxin Chen, Zhi Chen, Zejun Li, Jiong Lu, Stephen J. Pennycook, Yuan Ping Feng, Jun Ding, Kian Ping Loh

Defect heterogeneity in monolayer WS$_2$ unveiled by work function variance

Xinyun Wang, Jiadong Dan, Zhenliang Hu, Jin Feng Leong, Qi Zhang, Ziyu Qin, Shisheng Li, Junpeng Lu, Stephen J. Pennycook, Wanxin Sun, Chorng Haur Sow

Growth of Nb-doped monolayer WS$_2$ by liquid-phase precursor mixing

Ziyu Qin, Leyi Loh, Junyong Wang, Xiaomin Xu, Qi Zhang, Benedikt Haas, Carlos Alvarez, Hanako Okuno, Justin Zhou Yong, Thorsten Schultz, Norbert Koch, Jiadong Dan, Stephen J. Pennycook, Dawen Zeng, Michel Bosman, Goki Eda

Engineering and modifying two-dimensional materials via electron beams

Xiaoxu Zhao, Jiadong Dan, Wu Zhou, Kian Ping Loh, Stephen J. Pennycook

High-energy gain upconversion in monolayer tungsten disulfide photodetectors

Qixing Wang, Qi Zhang, Xiaoxu Zhao, Yu Jie Zheng, Junyong Wang, Xin Luo, Jiadong Dan, Rui Zhu, Qijie Liang, Lei Zhang, P K Johnny Wong, Xiaoyue He, Yu Li Huang, Xinyun Wang, Stephen J. Pennycook, Goki Eda, Andrew T S Wee

Phase-controlled synthesis of monolayer ternary telluride with a random local displacement of tellurium atoms

Bijun Tang, Jiadong Zhou, Pingping Sun, Xiaowei Wang, Lichun Bai, Jiadong Dan, Jiefu Yang, Kun Zhou, Xiaoxu Zhao, Stephen J. Pennycook, Zheng Liu