DIRECT MEASUREMENT OF PYROELECTRIC FIGURES OF MERIT OF PROPER AND IMPROPER FERROELECTRICS.

A. Shaulov; M. I. Bell; W. A. Smith

doi:10.1063/1.325593

DIRECT MEASUREMENT OF PYROELECTRIC FIGURES OF MERIT OF PROPER AND IMPROPER FERROELECTRICS.

A. Shaulov
, M. I. Bell
, W. A. Smith

Institute of Superconductivity Laboratory for Magnetic Measurements

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

A direct method is presented for measuring the figures of merit which characterize the performance of pyroelectric materials as infrared vidicon targets or point detectors. The results of experiments carried out as a function of temperature on a proper ferroelectric, triglycine sulfate, and an improper ferroelectric, terbium molybdate, are compared with the predictions of the appropriate thermodynamic theories. It is found that within the family of rare-earth molybdates isomorphic to terbium molybdate there exists an optimum value for the figure of merit relevant to pyroelectric vidicon performance.

Original language	English
Pages (from-to)	4913-4919
Number of pages	7
Journal	Journal of Applied Physics
Volume	50
Issue number	7
DOIs	https://doi.org/10.1063/1.325593
State	Published - 1979

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DIRECT MEASUREMENT OF PYROELECTRIC FIGURES OF MERIT OF PROPER AND IMPROPER FERROELECTRICS.

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