Investigation on electro-strain effect in Rh-doped BaTiO3 single crystals | Zendy

Zhou Dan | Zendy; Lin Di | Zendy; Tianhou He | Zendy; Feng Zu-Yong | Zendy; Haiqing Xu | Zendy; Luo Hao-Su | Zendy

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Investigation on electro-strain effect in Rh-doped BaTiO3 single crystals

Author(s) -

Zhou Dan,

Lin Di,

Tianhou He,

Feng Zu-Yong,

Haiqing Xu,

Luo Hao-Su

Publication year - 2005

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.54.4053

Subject(s) - materials science , strain (injury) , hysteresis , doping , crystal (programming language) , ageing , electric field , field (mathematics) , condensed matter physics , composite material , optoelectronics , physics , medicine , mathematics , quantum mechanics , biology , pure mathematics , computer science , genetics , programming language

The electric-field-induced strain in Rh-doped BaTiO3 single crystals increases with increasing ageing time at 80℃. After 27 days' ageing, the strain can reach 1.11% under bipolar field cycling conditions. However, the strain under mo nopolar field cycles is strongly dependent on the drive frequency and reaches as high as 0.95% at frequency of 0.01Hz. The hysteresis loop (P-E curve) of the aged sample is similar to a wasp-waisted hysteresis loop. Ageing can significant ly improve the electro-strain effect in the Rh-doped BaTiO3 crystal a nd make t he BaTiO3 crystal a promising and lead-free material for novel applic ations in ultra-large strain and nonlinear actuators.

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