Thermally stimulated properties of amber
- 14 June 1983
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 16 (6) , L101-L105
- https://doi.org/10.1088/0022-3727/16/6/001
Abstract
Thermoelectrets yielded thermally stimulated currents but radioelectrets could not be produced even following exposures of 16000 R of ionising radiation. It is concluded that the thermally stimulated currents are due to the depolarisation of dipoles, with activation energy of 1.4+or-0.1 eV, rather than to discharge of trapped charge carriers. Amber exhibits thermal luminescence following exposure to light of lambda <500 nm but not to ionising radiation after exposures up to 5500 R, indicating localised impurity/trap/recombination complexes in the spectrum surface, with a trap depth of 1.5+or-0.1 eV.Keywords
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