✦ LIBER ✦

Luminescence and field emission associated with heating and cooling of pyroelectric materials: Pyroelectroluminescence

✍ Scribed by K.S.V. Nambi; S.M.D. Rao; M.P. Chougaonkar

Publisher: Elsevier Science
Year: 1985
Tongue: English
Weight: 602 KB
Volume: 10
Category: Article
ISSN: 0735-245X
DOI: 10.1016/0735-245x(85)90029-8

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✦ Synopsis

A systematic study has been undertaken on the luminescence and the field emission associated with pyroelectric materials during their heating and cooling. These may be termed as pyroelectroluminescence (PEL) and thermally stimulated field emission (TSFE), respectively. Results are presented on various aspects of the PEL as observed on tourmaline, lithium niobate and triglycene sulphate as well as on the dosimetry of TSFE electrons using CaF2 thermoluminescent (TL) dosimeters. The cooling-induced pyroelectrolnminescence (CIPEL) has invariably been found to be more reproducible than the luminescence emitted during the heating cycle. The recording of the CIPEL glow curves in a conventional TL apparatus presents itself to be a case study of "inverse TL".

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