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Emergent ferroelectric switching behavior from polar vortex lattice

Abstract: Topologically protected polar textures have provided a rich playground for the exploration of novel, emergent phenomena. Recent discoveries indicate that ferroelectric vortices and skyrmions not only host properties markedly different from traditional ferroelectrics, but also that these properties can be harnessed for unique memory devices. Using a combination of capacitor-based capacitance measurements and computational models, it is demonstrated that polar vortices in dielectric?ferroelectric?dielectric trilayers exhibit classical ferroelectric bi-stability together with the existence of low-field metastable polarization states. This behavior is directly tied to the in-plane vortex ordering, and it is shown that it can be used as a new method of non-destructive readout-out of the poled state.

 Authorship: Behera P., Parsonnet E., Gómez-Ortiz F., Srikrishna V., Meisenheimer P., Susarla S., Kavle P., Caretta L., Wu Y., Tian Z., Fernandez A., Martin L.W., Das S., Junquera J., Hong Z., Ramesh R.,

 Fuente: Advanced Materials, 2023, 35(23), 2208367

Publisher: Wiley-Blackwell

 Publication date: 01/06/2023

No. of pages: 10

Publication type: Article

 DOI: 10.1002/adma.202208367

ISSN: 1521-4095,0935-9648

 Spanish project: PGC2018-096955-B-C41

Publication Url: https://doi.org/10.1002/adma.202208367

Authorship

BEHERA, PIUSH

PARSONNET, ERIC

FERNANDO GOMEZ ORTIZ

SRIKRISHNA, VISHANTAK

MEISENHEIMER, PETER

SUSARLA, SANDHYA

KAVLE, PRAVIN

CARETTA, LUCAS

WU, YONGJUN

TIAN, ZISHEN

FERNANDEZ, ABEL

MARTIN, LANE W.

HONG, ZIJIAN

RAMESH, RAMAMOORTHY