Defect-mediated ferromagnetism in correlated two-dimensional transition metal phosphorus trisulfides.

ABSTRACT: Controlling the magnetic spin states of two-dimensional (2D) van der Waals (vdW) materials with strong electronic or magnetic correlation is important for spintronic applications but challenging. Crystal defects that are often present in 2D materials such as transition metal phosphorus trisulfides (MPS₃) could influence their physical properties. Here, we report the effect of sulfur vacancies on the magnetic exchange interactions and spin ordering of few-layered vdW magnetic Ni_1−xCo_xPS₃ nanosheets. Magnetic and structural characterization in corroboration with theoretical calculations reveal that sulfur vacancies effectively suppress the strong intralayer antiferromagnetic correlation, giving rise to a weak ferromagnetic ground stat

SUBMITTER: Wang F 

PROVIDER: S-EPMC8535790 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature