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Languages of publication
Abstracts
The positron annihilation lifetime spectroscopy was applied to study the porous Vycor glass annealed at the temperatures between 950 and 1050 K. With increased temperature the spectra show significant decrease in o-Ps lifetime and intensity in the pores, while the rise of intensity in the small intermolecular voids is observed. Similar changes are observed as a function of annealing time at fixed temperature depending on the time and temperature of thermal treatment. They can originate from partial crystallization of the silica in the material under study.
Discipline
Journal
Year
Volume
Issue
Pages
721-727
Physical description
Dates
published
2006-11
received
2006-06-05
Contributors
author
- Institute of Physics, Maria Curie-Skłodowska University, pl. Marii Curie Skłodowskiej 1, 20-031 Lublin, Poland
author
- Institute of Physics, Maria Curie-Skłodowska University, pl. Marii Curie Skłodowskiej 1, 20-031 Lublin, Poland
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv110n520kz