2 papers
cond-mat.mtrl-sci2026
Metastable polar order and phase competition in Carpy-Galy LaTaO4
Yongjin Shin
Carpy-Galy LaTaO4 undergoes a structural sequence linking the antipolar monoclinic P21/c ground state and the polar orthorhombic Cmc21 phase through an incommensurately modulated r…
cond-mat.mtrl-sci2023
Tunable ferroelectricity in oxygen-deficient perovskites
Yongjin Shin, Giulia Galli
Using first-principles calculations, we predict that tunable ferroelectricity can be realized in oxide perovskites with the Grenier structure and ordered oxygen vacancies. Specific…