Crystal growth of superconductive PrBa2Cu3O7-y

被引：25
|
作者：
Oka, K
Zou, ZG
Ye, JH
机构：
[1] Electrotech Lab, Tsukuba, Ibaraki 305, Japan
[2] Natl Res Inst Met, Tsukuba, Ibaraki 305, Japan
来源：
PHYSICA C | 1998年 / 300卷 / 3-4期
关键词：
superconductivity; PrBa2Cu3O7-y; crystal growth; TSFZ method;
D O I：
10.1016/S0921-4534(98)00130-0
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Superconductive PrBa2Cu3O7-y (Pr123) crystals have been grown successfully by the travelling-solvent floating-zone (TSFZ) method using 3.7-5.8% PrO, 27-37% BaO, and 60-69% CuO composition solution with the 0.1-0.4% oxygen mixed argon gas atmosphere. The grown crystals have been identified to be Pr123 by a precession camera, X-ray powder diffractions and scanning electron microscopy-X-ray energy dispersion spectroscopy (SEM-EDS). Some portion of the grown TSFZ crystal boules show bulk superconductivity below about 80 K after annealing in oxygen. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：200 / 206
页数：7
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