MICROSTRUCTURE AND SUPERCONDUCTIVITY OF YBCO BY THE MELT-SPUN-TEXTURE-GROWTH METHOD

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	MICROSTRUCTURE AND SUPERCONDUCTIVITY OF YBCO BY THE MELT-SPUN-TEXTURE-GROWTH METHOD
	A. Q. He; G. F. Zhou; G. W. Qiao; H. Q. Ye
	1992
发表期刊	Materials Letters
ISSN	0167-577X
卷号	13 期号:6 页码:373-376
摘要	The Y-Ba-Cu-O (YBCO) superconducting material prepared by the melt-spun-texture-growth method has been examined with transmission electron microscopy (TEM). Its volume density nearly approaches the theoretical value and the grain boundaries are clear and narrow. TEM images revealed that there exists a competitive relationship between dislocations and {110} twins in the superconducting phase, and that there are few dislocations but a lot of twins around the Y2BaCuO5 phase. It is also detected that the critical current density J(c) is lower when the YBCO material has a lower oxygen content, but J(c) could be increased tremendously by prolonging the time of diffusing oxygen into grains.
部门归属	he, aq (reprint author), acad sinica,inst met res,atom imaging solids lab,shenyang 110015,peoples r china
关键词	Ba-cu-o
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/39226
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	A. Q. He,G. F. Zhou,G. W. Qiao,et al. MICROSTRUCTURE AND SUPERCONDUCTIVITY OF YBCO BY THE MELT-SPUN-TEXTURE-GROWTH METHOD[J]. Materials Letters,1992,13(6):373-376.
APA	A. Q. He,G. F. Zhou,G. W. Qiao,&H. Q. Ye.(1992).MICROSTRUCTURE AND SUPERCONDUCTIVITY OF YBCO BY THE MELT-SPUN-TEXTURE-GROWTH METHOD.Materials Letters,13(6),373-376.
MLA	A. Q. He,et al."MICROSTRUCTURE AND SUPERCONDUCTIVITY OF YBCO BY THE MELT-SPUN-TEXTURE-GROWTH METHOD".Materials Letters 13.6(1992):373-376.