Electron Spin Resonance of Photosensitive Centers in Ag-Doped CdS
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概要
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Electron spin resonance experiments on Ag-doped CdS have been done at 1.5°K and at X-band. A resonance line characterized by the g-values, g_<//> = 1.226 and g_<⊥> = 1.509, is observed under irradiation of light in characteristic bands. As a possible model of the magnetic center, which is designated by the A center and is responsible for this resonance line, we present Ag^<2+> occupying a Cd site in the crystal. From this model the behaviors of the center under illumination are discussed. An association of Ag^+ and a sulfur vacancy explains reasonably well the differences in the conditions of the appearance of A centers and electron trappipg centers among four kinds of CdS crystals which differ from each other only in the manner of incorporating the Ag impurities and in the crystal growth conditions. The relation between ESR measurements and luminescence ones is discussed.
- 社団法人日本物理学会の論文
- 1967-10-05
著者
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Morigaki Kazuo
Institute For Solid State Physics University Of Tokyo
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HOSHINA Teruhiko
Sony Corporation Research Center
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Morigaki Kazuo
Institute For Solid Stale Physics University Of Tokyo
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