NEW OXYGEN-RICH MEMBERS OF THE 123 FAMILY OF HTC SUPERCONDUCTORS

被引:5
作者
LUTGEMEIER, H [1 ]
SCHMENN, S [1 ]
BAIKOV, Y [1 ]
机构
[1] JOFFEE INST, ST PETERSBURG, RUSSIA
关键词
D O I
10.1016/0038-1098(95)00055-0
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
New compounds of the general composition REBa(2)Cu(3)O(6)(OH)(X), 1.5<X<2 have been synthesized by treating the hydrogen loaded 123 compounds with oxygen. They have been characterized by X-ray diffraction, susceptibility, and NMR and NQR of Cu. The compounds are pseudocubic with the same cation sublattice as the starting 123 compounds. They are at the limit between superconductivity and antiferromagnetism and show a well defined nonsymmetric EFG at the Cu(1) sites different from the EFG tensors in the starting compounds and in samples loaded only with hydrogen.
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页码:283 / 286
页数:4
相关论文
共 10 条
[1]  
BAIKOV YM, 1994, PISMA ZH TEKH FIZ+, V20, P34
[2]   HYDROGENATION OF THIN Y-BA-CU-O FILMS - ELECTRICAL-TRANSPORT AND STRUCTURE PROPERTIES OF YBA2CU3O7 AND YBA2CU4O8 [J].
DORTMANN, G ;
ERXMEYER, J ;
BLASSER, S ;
STEIGER, J ;
PAATSCH, T ;
WEIDINGER, A ;
KARL, H ;
STRITZKER, B .
PHYSICAL REVIEW B, 1994, 49 (01) :600-606
[3]   NMR OF H-1 AND 2D IN HYDROGEN-DOPED AND DEUTERIUM-DOPED YBA2CU3O7 [J].
GOREN, SD ;
KORN, C ;
VOLTERRA, V ;
RIESEMEIER, H ;
ROSSLER, E ;
VIETH, HM ;
LUDERS, K .
PHYSICAL REVIEW B, 1992, 46 (21) :14142-14149
[4]   X-RAY-DIFFRACTION STUDY OF THE INFLUENCE OF HYDROGEN ON THE CRYSTALLOGRAPHIC STRUCTURE OF HXYBA2CU3O7-DELTA [J].
HARRINGTON, I ;
KORN, C ;
GOREN, SD ;
SHAKED, H ;
KIMMEL, G .
PHYSICA C, 1994, 226 (3-4) :255-261
[5]  
HEINMANN I, 1992, APPL MAGN RESON, V3, P289
[6]  
Lutgemeier H., 1993, Proceedings of the Workshop on Phase Separation in Cuprate Superconductors, P243
[7]  
LUTGEMEIER H, IN PRESS J ALLOYS ME
[8]   ANTIFERROMAGNETISM IN YBA2CU3O6+X - GA AND ZN SUBSTITUTIONS .2. ZERO-FIELD NMR OF THE CU MAGNETIC SITES [J].
MENDELS, P ;
ALLOUL, H ;
MARUCCO, JF ;
ARABSKI, J ;
COLLIN, G .
PHYSICA C, 1990, 171 (5-6) :429-437
[9]   PHASE-SEPARATION IN HYDROGEN-LOADED 123 AND 124 COMPOUNDS OBSERVED BY CU NMR AND NQR [J].
SCHONE, H ;
LUTGEMEIER, H ;
XU, Y .
JOURNAL OF SUPERCONDUCTIVITY, 1994, 7 (05) :799-802
[10]   MAGNETISM IN HYDROGENATED YBA2CU3O7 A COMPARISON OF MU-SR AND NMR RESULTS [J].
WEIDINGER, A ;
ERXMEYER, J ;
GLUCKLER, H ;
NIEDERMAYER, C ;
LAFORSCH, O ;
GROSS, J ;
MEHRING, M .
HYPERFINE INTERACTIONS, 1994, 86 (1-4) :609-614