Monoclinic EuSn${}_2$As${}_2$: A Novel High-Pressure Network Structure

Lin Zhao, Changjiang Yi, Chang-Tian Wang +12

The layered crystal of EuSn${}_2$As${}_2$ has a Bi${}_2$Te${}_3$-type structure in rhombohedral ($R\bar{3}m$) symmetry and has been confirmed to be an intrinsic magnetic topological insula…