Theory of Color Centers I On Mollwo's Relation and the Temperature Variation in F Absorption Band
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概要
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A very simple derivation of well-known Mollwo's relation between ionic distance and F maximum absorption frequency is given. Then following Inui and Uemura's idea, the variation in the position and the breadth of F absorption band with temperature is correlated with the variation and the fluctuation in ionic distance by thermal motions. Finally, formula for the concentration of F centers in equilibrium with alkali vapor is given, taking into account the change in vibrational frequency of the positive ions adjacent to F vacancies. Numerical value for the parameter characterizing this change is computed by comparing with experiment the formulas for the temperature dependency of F band and for the concentration of F centers.
- 社団法人日本物理学会の論文
- 1952-08-25
著者
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Nagamiya Takeo
Department Of Physics. Osaka University
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Nagamiya Takeo
Department Of Physics Faculty Of Science Osaka University
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