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Growth and piezoelectric properties of Ca3Nb(Al0.5Ga0.5)3Si2O14crystals with langasite structure
Xiong, Kainan; Zheng, Yanqing; Tu, Xiaoniu; Jiang, Bohan; Cao, Shuoliang; Shi, Erwei
2017
Source PublicationJournal of Crystal Growth
ISSN00220248
Volume468Pages:416-419
AbstractPiezoelectric crystals Ca3Nb(Al0.5Ga0.5)3Si2O14(CNAGS) with langasite structure have been successfully grown by Czochralski method. In this work, the crystal structure, quality, chemical composition, piezoelectric properties, electric resistivity and optical properties of the as-grown crystals were characterized. The full width at half-maximum (FWHM) of the rocking curve of CNAGS was found to be 23″. The chemical compositions of CNAGS crystals are very close to that of initial compositions. At room temperature, the piezoelectric coefficients d11and d14of CNAGS crystals are 4.12 pC/N and −5.03 pC/N, and the electromechanical coupling coefficients k12and k26are also determined as 11.6% and 18.3%, respectively. The electric resistivity of as-growth crystal was found to be on the order of 2×108 Ω cm at 500 °C and 1×106 Ω cm at 800 °C. And the transmittances of CNAGS crystals were found to be over 80% in the wavelength range of 700–2700 nm. © 2016
DOI10.1016/j.jcrysgro.2016.12.052
EI Accession Number20170203238099
EI KeywordsCrystal structure
EI Classification Number701.1 Electricity: Basic Concepts and Phenomena - 708.1 Dielectric Materials - 741.1 Light/Optics - 933.1.1 Crystal Lattice
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25513
Collection中国科学院上海硅酸盐研究所
AffiliationShanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China
Recommended Citation
GB/T 7714
Xiong, Kainan,Zheng, Yanqing,Tu, Xiaoniu,et al. Growth and piezoelectric properties of Ca3Nb(Al0.5Ga0.5)3Si2O14crystals with langasite structure[J]. Journal of Crystal Growth,2017,468:416-419.
APA Xiong, Kainan,Zheng, Yanqing,Tu, Xiaoniu,Jiang, Bohan,Cao, Shuoliang,&Shi, Erwei.(2017).Growth and piezoelectric properties of Ca3Nb(Al0.5Ga0.5)3Si2O14crystals with langasite structure.Journal of Crystal Growth,468,416-419.
MLA Xiong, Kainan,et al."Growth and piezoelectric properties of Ca3Nb(Al0.5Ga0.5)3Si2O14crystals with langasite structure".Journal of Crystal Growth 468(2017):416-419.
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