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Bipolar loop-like non-volatile strain in the (001)-oriented Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals

Scientific Reports2014Vol. 4(1), pp. 4591–4591

Citations Over TimeTop 10% of 2014 papers

Lifeng Yang, Yonggang Zhao, Sen Zhang, Peisen Li, Ya Gao, Yuanjun Yang, Haoliang Huang, Peixian Miao, Yan Liu, Aitian Chen, Ce‐Wen Nan, Chen Gao

Abstract

Strain has been widely used to manipulate the properties of various kinds of materials, such as ferroelectrics, semiconductors, superconductors, magnetic materials, and "strain engineering" has become a very active field. For strain-based information storage, the non-volatile strain is very useful and highly desired. However, in most cases, the strain induced by converse piezoelectric effect is volatile. In this work, we report a non-volatile strain in the (001)-oriented Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals and demonstrate an approach to measure the non-volatile strain. A bipolar loop-like S-E curve is revealed and a mechanism involving 109° ferroelastic domain switching is proposed. The non-volatile high and low strain states should be significant for applications in information storage.

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