Refractive Index and Pore Structure of Acid-Leached Surface Layer of Glass
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概要
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It is known that acids leach out metal ions from the outermost layer of glass, leaving a skeleton film. We found that the refractive index of such a film nf changes with the relative humidity p/p_0, and studied nf vs. p/p_0 relations for some dense flint and dense crown glasses. The following conclusions are derived from the analysis of nf vs. p/p_0 curves: (1) The refractive index of the skeleton nf (>nf) is always greater than that of fused silica, indicating that metal ions are still contained in the skeleton. (2) The porosity of the film ranges from 0.05 to 0.21, and the mean pore radius from 6A to 23 A, depending on the composition of glass as well as the leaching conditions.
- 社団法人日本物理学会の論文
- 1961-04-05
著者
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Kinosita Koreo
Department Of Applied Physics Faculty Of Engineering University Of Nagoya
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Kinosita K.
Department of Physics and Chemistry, Gakushuin University
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