General Synthesis of 2D Magnetic Transition Metal Dihalides via Trihalide Reduction

Jiang, Shaolong1,2; Wang, Gang1,2; Deng, Hanbing1; Liu, Kai3; Yang, Qishuo1,2; Zhao, Erding1,2; Zhu, Liang1,2; Guo, Weiteng1,2; Yang, Jing1,2; Zhang, Cheng2; Wang, Heshen4; Zhang, Xi4; Dai, Jun-Feng4; Luo, Guangfu3; Zhao, Yue1; Lin, Junhao1,2

2023-01-10

10.1021/acsnano.2c08693

ACS Nano   Impact Factor & Quartile

1936-0851

1936-086X

Two-dimensional (2D) transition metal dihalides (TMDHs) have been receiving extensive attention due to their diversified magnetic properties and promising applications in spintronics. However, controlled growth of 2D TMDHs remains challenging owing to their extreme sensitivity to atmospheric moisture. Herein, using a home-built nitrogen-filled interconnected glovebox system, a universal chemical vapor deposition synthesis route of high-quality 2D TMDH flakes (1T-FeCl2, FeBr2, VCl2, and VBr2) by reduction of their trihalide counterparts is developed. Representatively, ultrathin (similar to 8.6 nm) FeCl2 flakes are synthesized on SiO2/Si, while on graphene/Cu foil the thickness can be down to monolayer (1L). Reflective magnetic circular dichroism spectroscopy shows an interlayer antiferromagnetic ordering of FeCl2 with a Neel temperature at similar to 17 K. Scanning tunneling microscopy and spectroscopy further identify the atomic-scale structures and band features of 1L and bilayer FeCl2 on graphene/Cu foil.

transition metal dihalides FeCl2 chemical vapor deposition interlayer antiferromagnetism scanning tunneling microscopy

SCI

English

NI Journal Papers

First ; Corresponding

National Natural Science Foundation of China["61988102","12104206","11974156","11974159"] ; Guangdong Innovative and Entrepreneurial Research Team Program["2019ZT08C044","2016ZT06D348","2017ZT07C062"] ; Shenzhen Science and Technology Program["KQTD20190929173815000","20200925161102001"] ; Key-Area Research and Development Program of Guangdong Province[2019B010931001] ; Science, Technology and Innovation Commission of Shenzhen Municipality["ZDSYS20190902092905285","JCYJ20200109141412308"] ; Guangdong Natural Science Foundation[2021A1515012316] ; Guangdong Provincial Key Laboratory of Computational Science and Material Design[2019B030301001]

Chemistry ; Science & Technology - Other Topics ; Materials Science

Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:000916779300001

AMER CHEMICAL SOC

Web of Science

1.Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China
2.Southern Univ Sci & Technol, Shenzhen Key Lab Adv Quantum Funct Mat & Devices, Shenzhen 518055, Peoples R China
3.Southern Univ Sci & Shenzhen, Dept Mat Sci & Engn, Guangdong Prov Key Lab Computat Sci & Mat Design, Shenzhen 518055, Peoples R China
4.Southern Univ Sci & Technol, Shenzhen Inst Quantum Sci & Engn, Shenzhen 518055, Peoples R China

Jiang, Shaolong,Wang, Gang,Deng, Hanbing,et al. General Synthesis of 2D Magnetic Transition Metal Dihalides via Trihalide Reduction[J]. ACS Nano,2023,17(1).

Jiang, Shaolong.,Wang, Gang.,Deng, Hanbing.,Liu, Kai.,Yang, Qishuo.,...&Lin, Junhao.(2023).General Synthesis of 2D Magnetic Transition Metal Dihalides via Trihalide Reduction.ACS Nano,17(1).

Jiang, Shaolong,et al."General Synthesis of 2D Magnetic Transition Metal Dihalides via Trihalide Reduction".ACS Nano 17.1(2023).