Annihilation of E′ center defects in silica glass by hydrogen treatment |
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| Authors: | J-W Lee RK MacCrone |
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| Institution: | Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA |
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| Abstract: | It was found, using electron paramagnetic resonance (EPR), that the signal of E′ centers in silica glass totally disappeared following a 1 h heat-treatment at 1000 °C under hydrogen atmosphere. However, by subsequent heat-treatment at the same temperature under a dry nitrogen atmosphere, some of the E′ centers re-appeared. |
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| Keywords: | 42 70 Ce 76 30 &minus v 82 30 Rs 61 72 Cc |
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