Ferromagnetic-antiferromagnetic coexisting ground state and exchange bias effects in MnBi₄Te₇ and MnBi₆Te₁₀.

ABSTRACT: Natural superlattice structures MnBi₂Te₄(Bi₂Te₃)_n (n = 1, 2, ...), in which magnetic MnBi₂Te₄ layers are separated by nonmagnetic Bi₂Te₃ layers, hold band topology, magnetism and reduced interlayer coupling, providing a promising platform for the realization of exotic topological quantum states. However, their magnetism in the two-dimensional limit, which is crucial for further exploration of quantum phenomena, remains elusive. Here, complex ferromagnetic-antiferromagnetic coexisting ground states that persist down to the 2-septuple layers limit are observed and comprehensively investigated in MnBi₄Te₇ (n = 1) and MnBi₆Te₁₀ (n = 2). The ubiquitous M

SUBMITTER: Xu X 

PROVIDER: S-EPMC9741634 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature