Domain switching in polycrystalline ferroelectric ceramics

J. Y. Li; R. C. Rogan; E. Üstündag; K. Bhattacharya

doi:10.1038/nmat1485

Domain switching in polycrystalline ferroelectric ceramics

J. Y. Li^*
, R. C. Rogan
, E. Üstündag
, K. Bhattacharya

^*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: Dergiye katkı › Makale › bilirkişi

412 Atıf (Scopus)

Özet

An approach for domain switching in polycrystalline ferroelectric ceramics is described. In domain switching, the ferroelectric material changes from one spontaneously polarized state to another under electrical or mechanical loads. It is demonstrated that the polarizations and strains of the different variants in the single crystal should span a sufficiently large space to enable domain switching in a generic polycrystal. The relation between crystallographic symmetry and the ability of a ferroelectric polycrystalline ceramic for domain switching shows that equiaxed polycrystals of materials that are either tetragonal or rhombohedral cannot switch, but polycrystals of materials where these two symmetries co-exist can switch.

Orijinal dil	İngilizce
Sayfa (başlangıç-bitiş)	776-781
Sayfa sayısı	6
Dergi	Nature Materials
Hacim	4
Basın numarası	10
DOI'lar	https://doi.org/10.1038/nmat1485
Yayın durumu	Yayınlandı - Eki 2005
Harici olarak yayınlandı	Evet

Finansman

The authors thank M. Daymond, E. Oliver and J. Santisteban for their assistance with the experiments, a referee for suggesting the consistency check using the spontaneous polarization of PZT ceramics, and gratefully acknowledge the financial support of the US Army Research Office through DAAD 19-01-1-0517. Correspondence and requests for materials should be addressed to K.B. Supplementary Information accompanies this paper on www.nature.com/naturematerials.

Finansörler	Finansör numarası
US Army Research Office	DAAD 19-01-1-0517

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10.1038/nmat1485

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Alıntı Yap

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AU - Üstündag, E.

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ER -

Domain switching in polycrystalline ferroelectric ceramics

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