Study of neutron irradiation-induced colors in Brazilian topaz
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Abstract
In this work, preliminary results of the investigation of the coloring mechanisms in topaz from different regions of Brazil, irradiated by
the TRIGA MARK I IPR-R1 and BR1 nuclear reactors of the CDTN/CNEN (Brazil) and SCK.CEN(Belgium), respectively, are
presented . The samples were analyzed by the k0-NAA method for impurities and total activity. The color and color centers were
investigated by optical absorption and electron paramagnetic resonance (EPR) spectroscopy. The total integrated flux dependence of the
induced blue colors and color centers is discussed.
Details
| Original language | English |
|---|---|
| Pages (from-to) | 423-426 |
| Journal | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
| Volume | 580 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 16 May 2007 |
Keywords
- Gems, NAA
ID: 102208