摘要
Tb-doped SBN crystals were prepared by the Czochralski technique.Their dielectric,ferroelectric,and pyroelectric properties were studied.A low temperature phase transition between two polar phases was revealed by the anomalies of the dielectric and pyroelectric properties;the polar axis changes its direction during this transition.The point group of the low temperature phase may be mm2,m or 1.
作者
张沛霖
钟维烈
赵焕绥
宋永远
陈焕矗
ZHANG Peilin;ZHONG Weilie;ZHAO Huansui;SONG Yongyuan;CHEN Huanchu(Department of Physics,Shandong University,Jinan;Institute of Crystal Materials,Shandong University,Jinan)
