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Vortex Domain Walls in Ferroelectrics

Abstract: Controlling the domain formation in ferroelectric materials at the nanoscale is a fertile ground to explore emergent phenomena and their technological prospects. For example, charged ferroelectric domain walls in BiFeO3 and ErMnO3 exhibit significantly enhanced conductivity which could serve as the foundation for next-generation circuits (Estévez and Laurson, Phys. Rev. B 2015, 91, 054407). Here, we describe a concept in which polar vortices perform the same role as a ferroelectric domain wall in classical domain structures with the key difference being that the polar vortices can accommodate charged (i.e., headto-head and tail-to-tail) domains, for example, in ferroelectric PbTiO3/dielectric SrTiO3 superlattices. Such a vortex domain wall structure can be manipulated in a reversible fashion under an external applied field.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Nano Lett. 2021, 21 (8), 3533-3539

Editorial: American Chemical Society

 Fecha de publicación: 28/04/2021

Nº de páginas: 7

Tipo de publicación: Artículo de Revista

 DOI: 10.1021/acs.nanolett.1c00404

ISSN: 1530-6984,1530-6992

Url de la publicación: https://doi.org/10.1021/acs.nanolett.1c00404

Autoría

ZIJIAN HONG

SUJIT DAS

CHRISTOPHER NELSON

AJAY YADAV

LONG-QING CHEN

LANE W. MARTIN

RAMAMOORTHY RAMESH