| Autor: |
Garcia-Castro, Andrés Camilo, Quintero Orozco, Jorge Hernan, Paez Gonzalez, Carlos José |
| Předmět: |
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| Zdroj: |
European Physical Journal B: Condensed Matter; Sep2019, Vol. 92 Issue 9, pN.PAG-N.PAG, 1p |
| Abstrakt: |
Here, we present a theoretical study of the hybrid-improper ferroelectric (HIF) behavior at the [001] (Ba3SiO)1/(Ba3GeO)1 superlattices. Then, by means of first-principles calculations, we have investigated the structural and vibrational modes that allows the existence of the trilinear coupling phenomenon in this antiperovskite oxide heterostructure. The latter coupling, leading to a ferroelectric character in this system. Finally, we show the xy biaxial strain influence into the structure and the ferroelectricity, achieving an enhancement of the spontaneous polarization through this control parameter. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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