A QUICK PROCESS FOR SYNTHESIS OF Y1BA2CU3O7 SINGLE-PHASE SUPERCONDUCTORS

被引：6
|
作者：
HSU, SE
WANG, JY
LI, CM
HUANG, TW
WANG, KL
机构：
[1] Materials Research and Development Center, Chung Shan Institute of Science and Technology, Lung-Tan
来源：
PHYSICA C | 1993年 / 207卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(93)90435-S
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The spontaneous reaction synthesis (SRS) of superconductor YBa2Cu3O7 (123) took the shortest time of reaction, less than 5 min, from metals and peroxides as original reaction materials. Chemical stoichiometric ratios of Y:Ba:Cu = 1:2:3 were applied and specimens were subsequently sintered in oxygen with P(O2) = 1 atm at 925-degrees-C for 5 h. X-ray diffraction (XRD), four-wire resistance (rho), magnetic susceptibility measurements (chi) and micro-analysis were conducted to test superconductive properties. The best superconductive properties from the 1:2:3 samples with high-purity single phase of Y1Ba2Cu3O7 were shown by the results to be easily achieved by the SRS process.
引用
收藏
页码：159 / 166
页数：8
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