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Structural And Elastic Properties Of Degenerate Sno Monolayers At Finite Temperature, Afsana Sharmin
Structural And Elastic Properties Of Degenerate Sno Monolayers At Finite Temperature, Afsana Sharmin
Graduate Theses and Dissertations
Chalcogen-based layered superconductors with a litharge structure such as FeS and FeSe mono-layers undergo structural and superconducting phase transitions that are tunable by doping. Representing another material platform with a litharge structure but without valence d-electrons, SnO monolayers also display a structural ground state with a degenerate rectangular unit cell at zero temperature and a charge-tunable energy barrier that leads to a thermally-controllable structural phase change. Doped SnO monolayers with rectangular degenerate unit cells give rise to two-dimensional multiferroicity. Their two-dimensional elastic energy landscape adopts a basic analytic expression that is employed to discuss this structural transition. The results contained …