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Single‐crystal preparation and some characterizations of the superconducting Y‐Ba‐Cu oxide

 

作者: Hajime Haneda,   Mitsumasa Isobe,   Shunichi Hishita,   Yoshio Ishizawa,   Shin‐ichi Shirasaki,   Taisei Yamamoto,   Takagimi Yanagitani,  

 

期刊: Applied Physics Letters  （AIP Available online 1987）
卷期: Volume 51, issue 22  

页码: 1848-1850

 

ISSN:0003-6951

 

年代: 1987

 

DOI:10.1063/1.98490

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Single crystals of Ba2YCu3O7−&dgr;were prepared from melts of a BaO‐Y2O3‐CuO mixture and characterized by the x‐ray microprobe analyzer and x‐ray diffraction. Electrical resistivity was measured by the standard four‐terminal method. Some crystals have the critical temperature above 77 K. After annealing in oxygen, the crystals behave like a semiconductor.

 

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