Crystallization Process in Porous and Nonporous Vycor Glass |
| B. Jasińskaa, A.L. Dawidowiczb and S. Pikusb
aInstitute of Physics, Maria Curie-Skłodowska University, pl. M. Curie-Skłodowskiej 1, 20-031 Lublin, Poland b Faculty of Chemistry, Maria Curie-Skłodowska University, pl. M. Curie-Skłodowskiej 1, 20-031 Lublin, Poland |
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| Received: 20 09 2004; |
| Three stages of thermal and chemical processing of Vycor glass were carried out. Raw material, the glass with small and big pores was studied. In each stage of study various crystallinity degrees of investigated material were obtained. The relation between crystallinity degree and the intensity of o-Ps components was determined. In nonporous material a high correlation between o-Ps intensity and crystallinity degree was found. In porous material the decrease in total o-Ps intensity can be a measure of the crystallinity degree. |
| DOI: 10.12693/APhysPolA.107.724 PACS numbers:78.70.Bj |