Journal
JOURNAL OF APPLIED PHYSICS
Volume 97, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1890453
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(0.95 -x)(Bi1/2Na1/2)TiO3-x(Bi1/2K1/2)TiO3-0.05BaTiO(3) lead-free piezoelectric ceramics (abbreviated as BNT-BKT-BT100x with x varying from 0 to 20 mol %) are prepared by a solid-state reaction process. Variation of the dielectric properties and microstructure of BNT-BKT-BT100x ceramics with BKT content is studied. The results indicate that the relative permittivity e, and loss tangent tan 6 vary with the BKT amount. Scanning electron microscope observation also indicates that BKT in high amount affects the microstructure. X-ray diffraction analysis shows that the incorporated BKT diffuses into the BNT-BT lattice to form a solid solution during sintering. (c) 2005 American Institute of Physics.
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