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cond-mat.mtrl-sci2022
Berezinskii-Kosterlitz-Thouless phases in ultra-thin PbTiO/SrTiO superlattices
Fernando Gómez-Ortiz, Pablo García-Fernández, Juan M. López +1
We study the emergence of Berezinskii-Kosterlitz-Thouless (BKT) phases in (PbTiO)/(SrTiO) superlattices by means of second-principles simulations. Beyond a threshol…
cond-mat.mtrl-sci2022★ 18 cited
Melting of Polarization Vortices Crystals and Chiral Phase Transitions in Oxide Superlattices
Fernando Gómez-Ortiz, Pablo García-Fernández, Juan M. López +1
We study the equilibrium arrangements of polarization vortices in (PbTiO)/(SrTiO) superlattices by means of second-principles simulations. We find that, at low temp…