YBA2CU3O7-Y/Y2BACUO5 COMPOSITES - GROWTH AND CHARACTERIZATION

被引:12
作者
BROUSSARD, PR
ALLEN, LH
CESTONE, VC
WOLF, SA
机构
[1] Naval Research Laboratory, Washington
关键词
D O I
10.1063/1.355278
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have prepared thin film composites of Y1Ba2Cu3O7-y (''123'') and Y2Ba1Cu1O5 (''211'') by off-axis sputtering from separate targets of the 123 and 211 material. X-ray diffraction on the films shows the presence of c-axis oriented 123, and (00 L) ordered Y2O3, but no indication of 211 lines. The c-axis lattice constant does not show any change compared to our pure 123 films. As the volume percentage of 211 material increases, we see a reduction in T(c) and J(c), and an increase in the resistivity. The temperature and field dependence of the critical current are different for our composites compared to our pure 123 films.
引用
收藏
页码:446 / 450
页数:5
相关论文
共 13 条
[1]  
ALLEN LH, 1992, MATER RES SOC SYMP P, V275, P525, DOI 10.1557/PROC-275-525
[2]  
BEYERS R, 1991, ANNU REV MATER SCI, V21, P335
[3]  
BROUSSARD PR, 1992, MATER RES SOC SYMP P, V275, P507, DOI 10.1557/PROC-275-507
[4]   TRANSPORT CRITICAL CURRENTS IN EPITAXIAL Y1BA2CU3O7-X THIN-FILMS [J].
CHRISTEN, DK ;
KLABUNDE, CE ;
THOMPSON, JR ;
KERCHNER, HR ;
SEKULA, ST ;
FEENSTRA, R ;
BUDAI, JD .
PHYSICA C, 1989, 162 :653-654
[5]   Y1BA2CU3O7-X AND LAALO3 COMPOSITE THIN-FILMS BY OFF-AXIS MAGNETRON SPUTTERING [J].
CUKAUSKAS, EJ ;
ALLEN, LH ;
HOLM, RT ;
SHERRILL, GK .
APPLIED PHYSICS LETTERS, 1992, 60 (03) :389-391
[6]   BOUNDARY EFFECTS IN SUPERCONDUCTORS [J].
DEGENNES, PG .
REVIEWS OF MODERN PHYSICS, 1964, 36 (1P1) :225-+
[7]   SELF-CONSISTENT CALCULATION OF THE JOSEPHSON CURRENT [J].
DEGENNES, PG .
PHYSICS LETTERS, 1963, 5 (01) :22-24
[8]   ORIGIN OF SUPERCONDUCTIVE GLASSY STATE AND EXTRINSIC CRITICAL CURRENTS IN HIGH-TC OXIDES [J].
DEUTSCHER, G ;
MULLER, KA .
PHYSICAL REVIEW LETTERS, 1987, 59 (15) :1745-1747
[9]   FAR-INFRARED CONDUCTIVITY AND ANOMALOUS BELOW-GAP ABSORPTION IN SUPERCONDUCTING GRANULAR NBN [J].
KARECKI, DR ;
CARR, GL ;
PERKOWITZ, S ;
GUBSER, DU ;
WOLF, SA .
PHYSICAL REVIEW B, 1983, 27 (09) :5460-5466
[10]   NBN/BN ANTIGRANULOCYTES FILMS - A SENSITIVE, HIGH-SPEED DETECTOR FOR PULSED FAR-INFRARED RADIATION [J].
LEUNG, M ;
STROM, U ;
CULBERTSON, JC ;
CLAASSEN, JH ;
WOLF, SA ;
SIMON, RW .
APPLIED PHYSICS LETTERS, 1987, 50 (23) :1691-1693