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Microstructure Development and Dielectric Properties of Potassium Strontium Niobate Ceramics
Author(s) -
Kimura Toshio,
Miyamoto Seiji,
Yamaguchi Takashi
Publication year - 1990
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1990.tb05102.x
Subject(s) - microstructure , strontium , materials science , dielectric , ceramic , sintering , curie temperature , strontium barium niobate , grain growth , duplex (building) , mineralogy , potassium , grain size , potassium niobate , abnormal grain growth , composite material , metallurgy , chemistry , optoelectronics , condensed matter physics , ferroelectricity , dna , biochemistry , physics , organic chemistry , ferromagnetism
Sintering of a KSr 2 Nb 5 O 15 powder compact at 1350°C resulted in a duplex structure. Prefiring of the compact between 1200° and 1300°C inhibited the abnormal grain growth responsible for the duplex structure. The Curie temperature and dielectric constant were dependent on the microstructure.