کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1593654 1515675 2009 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Czochralski growth and characterization of the piezoelectric single crystal La3Ga5.5Nb0.5O14
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
Czochralski growth and characterization of the piezoelectric single crystal La3Ga5.5Nb0.5O14
چکیده انگلیسی

La3Ga5.5Nb0.5O14 crystals are promising materials for bulk acoustic wave and surface acoustic wave applications. In this work, the starting materials for high quality La3Ga5.5Nb0.5O14 single crystal growth were investigated. Adding extra Ga2O3 of 1.0–1.5 wt% to the starting materials was found to be beneficial for high quality crystal growth. High quality La3Ga5.5Nb0.5O14 crystals were grown by the conventional Czochralski method along the XX- and ZZ-axes. Complete sets of dielectric constants, piezoelectric coefficients and elastic constants of La3Ga5.5Nb0.5O14 crystals grown along the XX- and ZZ-axes were determined by a resonance technique and impedance analysis at room temperature, respectively. The relevant constants were obtained and discussed. The obtained results for La3Ga5.5Nb0.5O14 are: ε11T=19.07, ε33T=79.06, d11=−7.00pC/N, d14=5.60pC/N; s11E=9.60 pm2/N; s12E=−4.65 pm2/N; s13E=−2.05 pm2/N; s14E=−3.60 pm2/N; s33E=5.77 pm2/N; s44E=23.60 pm2/N and s66E=28.50 pm2/N, respectively.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Communications - Volume 149, Issues 31–32, August 2009, Pages 1278–1281
نویسندگان
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