Domain switching and electromechanical properties variation of Pb(In 1/2 Nb 1/2 )–Pb(Mg 1/3 Nb 2/3 )–PbTiO 3 ferroelectric crystals under uniaxial compressive stress

Gao, Junjie; Xie, Lu-You; Zhang, Hao; Wang, Ganghua; Liu, Gaomin; Gu, Yanqin; He, Hongliang; Bai, Jingsong

doi:10.1016/j.ceramint.2015.10.094

Cited by 4 publications

(2 citation statements)

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“…The pathway of electric‐induced phase transitions has been verified by in situ observations 14 . In addition to the electro‐induced phase transition, the mechanical controls of the phase transition and polarization switching of ferroelectric materials have attracted the attention of many scholars 15–24 . They are mostly studied under hydrostatic pressure and uniaxial compression 16–20,25–28 .…”

Section: Introductionmentioning

confidence: 99%

“…14 In addition to the electro-induced phase transition, the mechanical controls of the phase transition and polarization switching of ferroelectric materials have attracted the attention of many scholars. [15][16][17][18][19][20][21][22][23][24] They are mostly studied under hydrostatic pressure and uniaxial compression. [16][17][18][19][20][25][26][27][28] Under the action of hydrostatic pressure, relaxor ferroelectric single crystal is more prone to ferroelectric-paraelectric phase transition, [25][26][27] uniaxial pressure in different directions will lead to phase transition between ferroelectric phases.…”

Section: Introductionmentioning

confidence: 99%

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Mechanically induced rhombohedral to tetragonal phase transition in PMN–PT single crystals by nanoindentation

2022

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Understanding the phase transition behavior of the rhombohedral phase (R) and tetragonal phase (T) of the relaxor ferroelectric PMN–PT single crystals under mechanical load is essential for the potential voltage‐free controlled ferroelectric‐based nanodevices. Relaxor ferroelectric single crystals PMN–PT, under a local inhomogeneous mechanical load, were studied experimentally by the nanoindentation tests and Raman spectroscopy measurements. The observations show that the rhombohedral phase can be transformed successfully to the tetragonal phase under a mechanical stress, and the tetragonal phase in the PMN–PT single crystals presents a structural stability. The phase transition induced by the mechanical stress with different strain rates further indicates that the relaxor ferroelectric single crystals possess a potential mechanical controllability. The present study reveals the phase transition pathway of the relaxor ferroelectric single crystal under inhomogeneous stress and provides the exciting possibility of the control of mechanically induced phase transition for ferroelectrics.

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Section: Introductionmentioning

confidence: 99%