Internal bias effects on pyroelectric measurements near the Curie temperature in triglycine sulphate

A. Shaulov, M. Simhony

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Simultaneous measurements of the pyroelectric (PE) coefficient λ and permittivity ε from the PE voltage responses to step ir radiation signals in triglycine sulphate (TGS) are reported as functions of temperature in both the ferroelectric and paraelectric phases. It is shown that the observed lowering and widening of the peaks of λ and ε, the appearance of a PE effect in the parelectric phase, and the shift of the ε peak to temperatures above Tc can be explained by the existence of an internal bias field Eb. The values of Eb calculated to fit the experimental results vary in different TGS samples from 30 to 150 V/cm.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalJournal of Applied Physics
Volume47
Issue number1
DOIs
StatePublished - 1976
Externally publishedYes

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