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Chern insulators from heavy atoms on magnetic substrates
Kevin F. Garrity, David Vanderbilt
We propose searching for Chern insulators by depositing atomic layers of elements with large spin-orbit coupling (e.g., Bi) on the surface of a magnetic insulator. We argue that su…
Orthorhombic semiconductors as antiferroelectrics
Joseph W. Bennett, Kevin F. Garrity, Karin M. Rabe +1
We use a first-principles rational-design approach to identify a previously-unrecognized class of antiferroelectric materials in the MgSrSi structure type. The MgSrSi struct…
Hexagonal as semiconducting ferroelectrics
Joseph W. Bennett, Kevin F. Garrity, Karin M. Rabe +1
We use a first-principles rational-design approach to identify a previously-unrecognized class of ferroelectric materials in the LiGaGe structure type. We calculate structu…