A METHOD FOR PREPARATION OF A HIGH-QUALITY HIGH-TEMPERATURE SUPERCONDUCTING CERAMICS

被引：1
|
作者：
KOTOK, LA
KVICHKO, LA
ZAGOSKIN, VT
LITVINENKO, YG
MOGHILKO, ET
机构：
[1] Institute for Single Crystals, Kharkov, 310141
来源：
BULLETIN OF MATERIALS SCIENCE | 1991年 / 14卷 / 02期
关键词：
HOT PRESSING; HIGH TEMPERATURE SUPERCONDUCTING CERAMICS; MAGNETIC SHIELDS; SOLID PHASE SYNTHESIS;
D O I：
10.1007/BF02747309
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An improved method for hot pressing of high temperature superconducting (HTSC) powders prepared by conventional solid phase synthesis of the initial BaCO3, CuO and Ln2O3 allows one to obtain HTSC targets and magnetic shields possessing a high degree of homogeneity. By sputtering such targets HTSC films with critical current density of 3.3.10(6) A/cm2 have been deposited. Shields, prepared according to this method, show a shielding coefficient of 10(5) and H(c) of 79 Oe in the constant magnetic field and in the alternating magnetic field the amplitude is 90 Oe in the frequency range of 70-3000 Hz.
引用
收藏
页码：167 / 171
页数：5
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