Phonon modes and Raman signatures of MnBi2nTe3n+1 (n=1,2,3,4) magnetic topological heterostructures

Yujin Cho, Jin Ho Kang, Liangbo Liang +8

An intrinsic antiferromagnetic topological insulator $\mathrm{MnB}{\mathrm{i}}_2\mathrm{T}{\mathrm{e}}_4$ can be realized by intercalating Mn-Te bilayer chain in a topological insulator, $\mathrm{B}{\mathrm{i}}_2\mathrm{T}{\mathrm{e}}_3$. $\m…