ガラスカプセルHIP法によるPb(ZR,Ti)O_3系セラミックスの改質と焦電特性

概要

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The improvement of the pyroelectric properties of Pb (Zr, Ti) O_3 (PZT) ceramics by means of compositional and morphological modification was realized. A compact body consisting mainly of equimolar PbZrO_3 (PZ) and PZT raw powders was encapsulated within a petri dish, followed by Ar-HIP under the conditions of 900℃-98 MPa-2h. The dense body obtained was probably composed of the two raw powders and their serial solid solutions, of which the temperature dependence of the pyroelectric coefficient of 9.4×10^<-4> C・m^<-2>・℃^<-1> at 25℃ was almost flat over a wide temperature range of 15-70℃. Furthermore, the figure of merit (FM1) of this dense body was 199×10^<-14> C・m・J^<-1> which was sufficient for practical applications.
社団法人日本セラミックス協会の論文
1996-06-01