Defect-Clusters in Electron and in Neutron Irradiated Lithium Fluoride
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概要
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The defect-clusters in LiF irradiated by thermal neutrons and by 100 KeV electrons have been studied by transmission electron microscopy. The defect-clusters in the electron-irradiated crystals are formed after exposure to about 10^<14> electrons/cm^2 and they are some 30 Å in diameter having no crystallographic orientation relationship to the matrix. They grow larger under subsequent electron irradiation and stop growing when they are about 500 Å in diameter. The defect-clusters in the crystals exposed to 10^<13>∼10^<18> nvt of neutrons are platelets parallel to one of the {100} planes. They are less than 200 Å in diameter and less than 50 Å in thickness. Their density, about 5×10^<15>/cm^3, is almost independent of exposure. It is probable that the defect-clusters in electron- and neutron-irradiated crystals are of same nature, since the defect-clusters in neutron irradiated crystals grow as a result of electron irradiation during observation in the electron microscope. No inhomogeneous line defects have been observed.
- 社団法人応用物理学会の論文
- 1967-03-15
著者
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Akisue Osamu
Department Of Physics Faculty Of Science Kyoto University
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Mannami Michi-hiko
Department Of Engineering Science Kyoto University
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TANAKA Kenzo
Department of Physics, Kyoto University
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TANAKA KENZO
Department of Pathology Faculty of Medicine, Kyushu University
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MANNAMI Michi-hiko
Department of Physics, Kyoto University
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Mannami Michi-hiko
Deparment of Engineering Science,Kyoto University
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