OXIDATIVE CHLORINATION OF YBA2CU3O7-X

被引：9
|
作者：
KEMNITZ, E [1 ]
OLESCH, T [1 ]
PRUSS, N [1 ]
SIMON, A [1 ]
MATTAUSCH, H [1 ]
KREMER, RK [1 ]
BAUHOFER, W [1 ]
机构：
[1] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY
来源：
MATERIALS RESEARCH BULLETIN | 1990年 / 25卷 / 08期
关键词：
D O I：
10.1016/0025-5408(90)90009-Q
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Non-superconducting YBa2Cu3O7-x (x>0.4) becomes superconducting when heated in Cl2 at 450K. It is shown that this change is due to a partial decomposition reaction which gradually leads to an amorphous product and simultaneous oxidation of the unreacted grain interiors to YBa2Cu3O6.9. There is no evidence for an incorporation of Cl into the superconducting phase, as TC and lattice constants are accurately the same as for samples oxidised in O2. © 1990.
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页码：1019 / 1024
页数：6
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