Thermoluminescence of ordered and thermally disordered albites
The thermoluminescence of albite has been characterized as a first step towards understanding the defect behavior of feldspars. The gamma-ray induced thermoluminescence (TL) of albite (NaAlSi/sub 3/O/sub 8/) was measured using apparatus which records TL emission spectra at closely spaced temperatures. Natural albite samples from Amelia (Virginia) and Portland (Connecticut) exhibit essentially identical emission spectra, with three broad Gaussian-shaped emission bands at 2.2, 3.0 and 4.4 eV. These bands occur in approximate proportions 1.0:0.3:25.0 and with band widths of approximately 0.3, 0.8 and 0.6 eV respectively. Glow curves generated for all three emission bands were consistent with second order kinetics. (JMT)
- Research Organization:
- Pennsylvania Univ., Philadelphia (USA)
- OSTI ID:
- 5264052
- Country of Publication:
- United States
- Language:
- English
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360602* -- Other Materials-- Structure & Phase Studies
58 GEOSCIENCES
580300 -- Mineralogy
Petrology
& Rock Mechanics-- (-1989)
ALBITE
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
ELECTROMAGNETIC RADIATION
EMISSION SPECTRA
FELDSPARS
GAMMA RADIATION
IONIZING RADIATIONS
LUMINESCENCE
MINERALOGY
MINERALS
RADIATIONS
RADIOLUMINESCENCE
RADIOTHERMOLUMINESCENCE
SILICATE MINERALS
SPECTRA
THERMOLUMINESCENCE