The Defects Produced by Electron Irradiation and Annealed at About 360K in n-Type Germanium
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概要
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Annealing of the radiation induced defect associated with the E_c-0.2eV level was studied through electrical measurements in the range 280-380 K. It was found that the level annealed in two stages, for the convenience they are nomenclatured as first and second stages. The first stage was observed only for samples containing group V impurities, and its step height as expressed in fraction unannealed increased with an increasing impurity concentration, and the activation energy was found to be dependent on the impurities. A model for the defect which is annealed in the first stage is proposed to be an association of group V impurity and a vacancy. The second stage of annealing was observed in all n-type samples regardless of the impurity. The step hight of this stage increased with increasing fluence. The activation energy was obtained to be 0.93 eV for all samples. By assuming that the defect is divacancy, the experimental results can be explained.
- 社団法人応用物理学会の論文
- 1974-10-05
著者
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SAITO Haruo
Department of Radiological Technology, School of Health Sciences, Faculty of Medicine
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FUKUOKA Noboru
Department of Physics, Faculty of Science, Naruto University of Education
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Saito Haruo
Department Of Pharmaceutical Research Lead Chemical Co. Ltd.
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Fukuoka Noboru
Department Of Physics College Of General Education Osaka University
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Fukuoka Noboru
Department Of Physics College Of General Education Osaka Univ.
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Saito Haruo
Department Of Drug Evaluation And Toxicological Sciences Faculty Of Pharmaceutical Sciences Chiba Un
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FUKUOKA Noboru
Department of Physics, College of General Education Osaka University
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