Title :
Fabrication of Pb(Mg,Nb)O3 ceramics using a hydrothermally synthesized powder and their evaluations
Author :
Yamamoto, Takashi ; Shimizu, Yasuhiro ; Watanabe, Munenobu
Author_Institution :
Dept. of Electr. Eng., Nat. Defense Acad., Yokosuka, Japan
Abstract :
Hydrothermally synthesized powder processing and dielectric properties are reported for lead magnesium niobate (PbMg1/3Nb 2/3O3) ceramics. Dielectric constants above 17000 at the Curie point and 1 kHz in pure PMN and PMN-excess range MgO were achieved at sintering temperatures from 900 to 1300°C and exhibited gradually increased values in spite of the clear increase both in sintering temperature and MgO
Keywords :
ceramics; ferroelectric materials; lead compounds; permittivity; powder technology; sintering; 1 kHz; 900 to 1300 degC; Curie point; PbMgO3NbO3; ceramics; dielectric constants; dielectric properties; fabrication; ferroelectric; hydrothermally synthesized powder; sintering temperatures; Ceramics; Design methodology; Dielectric constant; Fabrication; Grain size; Mercury (metals); Niobium; Powders; Temperature; Water heating;
Conference_Titel :
Applications of Ferroelectrics, 1990., IEEE 7th International Symposium on
Conference_Location :
Urbana-Champaign, IL
Print_ISBN :
0-7803-0190-0
DOI :
10.1109/ISAF.1990.200309
