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Title: Characterizations of the core-shell structured BST composites nanopowders and ceramics
Other Title: (Ba,Sr)TiO3/MgxZn1-xO核-殼復合陶瓷的制備及表征
Authors: Tian, HY
Qi, JQ
Chan, HLW 
Choy, CL 
Issue Date: 2005
Source: 四川大學學報. 自然科學版 (Journal of Sichuan University. Natural science edition), 2005, v. 42, no. S1, p. 10-16
Abstract: BST nanoparticles were directly synthesized from solution at 80℃ and then wrapped with zinc doped MgO in solution under ultrasonic dispersion at room temperature.This core-shell structure was analyzed by a conjunction of XRD, HRTEM and FE-SEM. The lattice cell parameter of BST core was found to have shrinkage. The lattice cell mismatch between core and shell make a fluctuation of lattice cell parameter of BST core. The nanoparticles can also be observed by FESEM in fractured grains of the ceramics. The dielectric properties were evaluated at different temperatures and frequencies. It is obvious that the core-shell structured BST composites are promising candidates to be used in high frequency devices.
Publisher: 中國學術期刊 (光盤版) 電子雜誌社
Journal: 四川大學學報. 自然科學版 (Journal of Sichuan University. Natural science edition) 
ISSN: 0490-6756
Rights: © 2005 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2005 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research purposes.
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