DETERMINATION OF HC1(T) ON A Y2BA4CU8O16 SINGLE-CRYSTAL

被引:26
作者
MARTINEZ, JC
PREJEAN, JJ
KARPINSKI, J
KALDIS, E
BORDET, P
机构
[1] SWISS FED INST TECHNOL,FESTKORPERPHYS LAB,CH-8093 ZURICH,SWITZERLAND
[2] CNRS,CRISTALLOG LAB,F-38042 GRENOBLE,FRANCE
关键词
D O I
10.1016/0038-1098(90)90903-O
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We performed dc-magnetization measurements in low magnetic fields (>250 Oe) on an untwinned single crystal of Y2Ba4Cu8O16 which exhibits a superconducting transition at 74 K. From isothermal magnetization curves we determined Hc1(T) and its anisotropy along the three crystallographic axes. We do not find any significant anisotropy between the a and b axes. © 1990.
引用
收藏
页码:315 / 318
页数:4
相关论文
共 15 条
[1]   ANOMALOUS HC1(T) BEHAVIOR OF SINGLE CRYSTALLINE YBA2CU3O7-DELTA [J].
ADRIAN, H ;
ASSMUS, W ;
HOHR, A ;
KOWALEWSKI, J ;
SPILLE, H ;
STEGLICH, F .
PHYSICA C, 1989, 162 :329-330
[2]   ANISOTROPIC SUPERCONDUCTING PROPERTIES OF YBA2CU3O7(0.1) AND YBA2CU3O7(0.4) UNTWINNED SINGLE-CRYSTALS [J].
BAUHOFER, W ;
BIBERACHER, W ;
GEGENHEIMER, B ;
JOSS, W ;
KREMER, RK ;
MATTAUSCH, H ;
MULLER, A ;
SIMON, A .
PHYSICAL REVIEW LETTERS, 1989, 63 (22) :2520-2523
[3]   MAGNETIZATION OF HARD SUPERCONDUCTORS [J].
BEAN, CP .
PHYSICAL REVIEW LETTERS, 1962, 8 (06) :250-+
[4]   SINGLE-CRYSTAL STUDY OF THE 80K SUPERCONDUCTOR YBA2CU4O8 [J].
BORDET, P ;
HODEAU, JL ;
ARGOUD, R ;
MULLER, J ;
MAREZIO, M ;
MARTINEZ, JC ;
PREJEAN, JJ ;
KARPINSKI, J ;
KALDIS, E ;
RUSIECKI, S ;
BUCHER, B .
PHYSICA C, 1989, 162 :524-525
[5]   CRITICAL FIELD MEASUREMENTS ON SUPERCONDUCTING LEAD ISOTOPES [J].
DECKER, DL ;
MAPOTHER, DE ;
SHAW, RW .
PHYSICAL REVIEW, 1958, 112 (06) :1888-1898
[6]   BULK SYNTHESIS OF THE 81-K SUPERCONDUCTOR YBA2CU4O8 AT HIGH OXYGEN-PRESSURE [J].
KARPINSKI, J ;
KALDIS, E ;
JILEK, E ;
RUSIECKI, S ;
BUCHER, B .
NATURE, 1988, 336 (6200) :660-662
[7]   2 NEW BULK SUPERCONDUCTING PHASES IN THE Y-BA-CU-O SYSTEM - YBA2CU3.5O7+X (TC APPROXIMATELY 40-K) AND YBA2CU4O8+X (TC APPROXIMATELY 80-K) [J].
KARPINSKI, J ;
KALDIS, E ;
RUSIECKI, S ;
JILEK, E ;
FISCHER, P ;
BORDET, P ;
CHAILLOUT, C ;
CHENAVAS, J ;
HODEAU, JL ;
MAREZIO, M .
JOURNAL OF THE LESS-COMMON METALS, 1989, 150 (1-2) :129-137
[8]   TEMPERATURE-DEPENDENCE OF LOWER CRITICAL FIELDS IN Y-BA-CU-O CRYSTALS [J].
KRUSINELBAUM, L ;
MALOZEMOFF, AP ;
YESHURUN, Y ;
CRONEMEYER, DC ;
HOLTZBERG, F .
PHYSICAL REVIEW B, 1989, 39 (04) :2936-2939
[9]   MAGNETIZATION JUMPS IN OXIDE SUPERCONDUCTORS [J].
LEVET, JC ;
POTEL, M ;
GOUGEON, P ;
NOEL, H ;
GUILLOT, M ;
THOLENCE, JL .
NATURE, 1988, 331 (6154) :307-307
[10]  
MALOZEMOFF A, 1989, PHYSICAL PROPERTIES