期刊
MATERIALS LETTERS
卷 58, 期 7-8, 页码 1194-1198出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2003.08.034
关键词
bismuth sodium titanate; lead-free piezoelectric ceramics; relaxation ferroelectrics; diffuse phase transition
Microstructure, dielectric and piezoelectric properties of (Bi1/2Na1/2)TiO3-6BaTiO(3) doped with Nb5+, Co3+ or La3+ were studied for a candidate as lead-free piezoelectric ceramics. The doping with Co3+ enhanced piezoelectric coefficient (d(33)) and lower dielectric loss. The Co3+-doped system's intermediate phase transition almost disappeared. (C) 2003 Elsevier B.V. All rights reserved.
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