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Elsevier, Scripta Materialia, (113), p. 43-47, 2016

DOI: 10.1016/j.scriptamat.2015.10.003

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Enhanced piezoelectric response and thermal stability in (1 − x − y)(Na 1/2 Bi 1/2 )TiO 3 –y(K 1/2 Bi 1/2 )TiO 3 –xBaTiO 3 ternary ferroelectric single crystals

Journal article published in 2016 by Hong Yan, Haiwu Zhang, Hao Deng, Xing Liu, Xiangyong Zhao, Di Lin, Xiaobing Li, Haosu Luo, Jae-Hyeon Ko, Chang Won Ahn ORCID
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This paper is available in a repository.

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Abstract

The dielectric, ferroelectric and impedance properties of (1 − x − y)NBT–yKBT–xBT single crystals were investigated systematically. Our results demonstrate that the addition of KBT leads to enhanced piezoelectric response, thermal stability (e.g., depolarization temperature, Td). The composition and temperature induced phase transformation mechanisms were characterized by using in-situ Raman spectra. The structure nature of improved electrical performance in (1 − x − y)NBT–yKBT–xBT ternary single crystals were discussed in detail.