Microvoids in chalcogenide glasses studied by positron annihilation
β Scribed by Kjeld O. Jensen; Philip S. Salmon; Ian T. Penfold; Paul G. Coleman
- Book ID
- 115989714
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 685 KB
- Volume
- 170
- Category
- Article
- ISSN
- 0022-3093
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Polyethylene and four samples of chloropolyethylenes of different chlorine content were studied with use of positron annihilation spectroscopy. In positron annihilation lifetime spectra measured for these, two long-lived components occurred. The longest-lived was ascribed to o&o-positronium trapped
The positron annihilation lifetime spectroscopic technique was applied to study nanocrystals formation during controlled crystallization of a chalcogenide glass 51GeS 2 -9Sb 2 S 3 -40PbS, which was thermally treated at 330 Β°C for up to 15 h. The technique provided valuable information for in depth u