Photoconductivity of CsBr Crystals Containing Color Centers
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概要
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The spectral distribution of photoconductivity has been investigated at liquid nitrogen and liquid helium temperatures both on additively colored and X-rayed CsBr. A peak is always found on the long wavelength side of the F band in the spectral distribution curve of ηω.Absorption bands which are located at 400 and 490 mμ at liquid nitrogen temperature are found to occur only when F centers are present. Absorption of photons in these bands gives rise to photocurrents. The two bands are interpreted as those like the L bands in NaCl-type alkali halides. At liquid helium temperature, fine structure is resolved in the region below 600 mμ. A band, which is photoconductive, is developed on the long wavelength side of the F band by optical bleaching of the F band at liquid nitrongen temperature.
- 社団法人日本物理学会の論文
- 1963-10-05
著者
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Ishii Takehiko
Department Of Material Physics Graduate School Of Engineering Science Osaka University
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Ueta Masayasu
Department Of Physics Faculty Of Science Tohoku University
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Ishii Takehiko
Department Of Physics Faculty Of Science Tohoku University
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Ueta Masayasu
Department Of Physics Faculity Of Science Tohoku University
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Ishii T.
Department of Pediatrics, Asahikawa Medical College
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