Selected ceramic materials for pyroelectric sensors

Andrzej Lozinski; Henryk J. Wierzba

doi:10.1117/12.213169

30 June 1995 Selected ceramic materials for pyroelectric sensors

Andrzej Lozinski, Henryk J. Wierzba

Proceedings Volume 2634, Optoelectronic and Electronic Sensors; (1995) https://doi.org/10.1117/12.213169
Event: Optoelectronic and Electronic Sensors, 1994, Warsaw-Zegrze, Poland

Abstract

Existing in pyroelectric crystals an electric polarization is compensated until the surface charge associated with the polarization is neutralized. Changing of crystal temperature causes the polarization change, what results in the free electric charge production. The temperature dependence of spontaneous polarization is called pyroelectric effect. In this paper some perovskite type pyroelectric ceramic materials based on lead zirconate and lead titanate are described and our own investigations concerning the lead lanthanum zirconate titanate PLZT pyroelectric compositions are presented.

Citation Download Citation

Andrzej Lozinski and Henryk J. Wierzba "Selected ceramic materials for pyroelectric sensors", Proc. SPIE 2634, Optoelectronic and Electronic Sensors, (30 June 1995); https://doi.org/10.1117/12.213169

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