Microstructure of a Superconducting Compound La-Sr-Cu-O at Liquid Helium Temperature
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概要
- 論文の詳細を見る
Structural change in a compound La-Sr-Cu-O with the K_2NiF_4 type of structure (tetragonal) has been studied at liquid helium temperature using a cyrogenic transmission electron microscope. The tetragonal phase is transformed into an orthorhombic phase accompanied by internal twinning on cooling, and the trace of an interface of the plate is parallel to that of the (113) plane in the orthorhombic unit cell. Extra reflections with indices 1 0 0, corresponding to a 1/2 1/2 0 reflection in the tetragonal phase, are observed at 4.2 K, and then disappear reversibly by heating to room temperature. The microstructure is also examined by high-resolution electron microscopy at 4.2 K.
- 社団法人応用物理学会の論文
- 1987-10-20
著者
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Kubo H
Department Of Electronic Engineering Faculty Of Engineering Osaka University
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Sugiyama Masaaki
R & D Laboratories-i Central R & D Bureau Nippon Steel Cotporation
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Sugiyama M
Department Of Electric Engineering And Information Systems School Of Engineering The University Of T
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SUYAMA Ryuji
R & D Laboratories-1, Nippon Steel Corporation
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Suyama R
R & D Laboratories-1 Nippon Steel Corporation
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Suyama Ryuji
R & D Laboratories-i Central R & D Bureau Nippon Steel Cotporation
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KUBO Hiroshi
R & D Laboratories-I, Nippon Steel Corporation
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SUGIYAMA Masaaki
R & D Laboratories-I, Central R & D Bureau, Nippon Steel Cotporation
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Sugiyama M
Institute Of Engineering Innovation School Of Engineering The University Of Tokyo
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