FORMATION OF A STABLE SHELL OF YBA2CU4O8 UPON OXYGEN OUTDIFFUSION FROM SUPERCONDUCTING YBA2CU3O7-DELTA OXIDES

被引:6
作者
SHI, LT
TU, KN
机构
关键词
D O I
10.1063/1.106125
中图分类号
O59 [应用物理学];
学科分类号
摘要
A stable shell of YBa2Cu4O8 (124) forms in powder and sintered bulk YBa2Cu3O7-delta (123) superconducting oxides upon oxygen outdiffusion from the latter and serves as a diffusion barrier to retard further oxygen outdiffusion. The 124 phase formation has been investigated by thermogravimetric analysis and x-ray diffraction. The better thermal stability of the 124 phase can be explained by the stronger bonding configuration of O(1) atoms in a double-chain structure.
引用
收藏
页码:2040 / 2042
页数:3
相关论文
共 8 条
[1]   STRUCTURE DETERMINATION OF THE NEW HIGH-TEMPERATURE SUPERCONDUCTOR Y2BA4CU7O14+X [J].
BORDET, P ;
CHAILLOUT, C ;
CHENAVAS, J ;
HODEAU, JL ;
MAREZIO, M ;
KARPINSKI, J ;
KALDIS, E .
NATURE, 1988, 334 (6183) :596-598
[2]   SYNTHESIS AND PROPERTIES OF THE YBA2CU4O8 SUPERCONDUCTOR [J].
JIN, S ;
OBRYAN, HM ;
GALLAGHER, PK ;
TIEFEL, TH ;
CAVA, RJ ;
FASTNACHT, RA ;
KAMMLOTT, GW .
PHYSICA C, 1990, 165 (5-6) :415-418
[3]   STUDY ON CHEMICAL DIFFUSION OF OXYGEN IN BA2YCU3O7-DELTA [J].
KISHIO, K ;
SUZUKI, K ;
HASEGAWA, T ;
YAMAMOTO, T ;
KITAZAWA, K ;
FUEKI, K .
JOURNAL OF SOLID STATE CHEMISTRY, 1989, 82 (02) :192-202
[4]   CRYSTAL-STRUCTURE OF THE 80-K SUPERCONDUCTOR YBA2CU4O8 [J].
MARSH, P ;
FLEMING, RM ;
MANDICH, ML ;
DESANTOLO, AM ;
KWO, J ;
HONG, M ;
MARTINEZMIRANDA, LJ .
NATURE, 1988, 334 (6178) :141-143
[5]   STABILITY OF 124-SUPERCONDUCTOR, 123-SUPERCONDUCTOR, AND 247-SUPERCONDUCTOR [J].
MORRIS, DE ;
ASMAR, NG ;
NICKEL, JH ;
SID, RL ;
WEI, JYT ;
POST, JE .
PHYSICA C, 1989, 159 (03) :287-294
[6]   THERMOGRAVIMETRIC STUDY OF THE RECOVERY OF OXYGEN-DEFICIENT SUPERCONDUCTING YBA2CU3O7-DELTA OXIDES IN AMBIENT OXYGEN [J].
SHI, LT ;
TU, KN .
APPLIED PHYSICS LETTERS, 1989, 55 (13) :1351-1353
[7]   DIFFUSION OF OXYGEN IN SUPERCONDUCTING YBA2CU3O7-DELTA CERAMIC OXIDES [J].
TU, KN ;
YEH, NC ;
PARK, SI ;
TSUEI, CC .
PHYSICAL REVIEW B, 1989, 39 (01) :304-314
[8]  
[No title captured]