SUPERCONDUCTING YBACUO THIN-FILMS ON GAAS ALGAAS

被引:12
作者
RAO, MR
TARSA, EJ
SAMOSKA, LA
ENGLISH, JH
GOSSARD, AC
KROEMER, H
PETROFF, PM
HU, EL
机构
关键词
D O I
10.1063/1.103041
中图分类号
O59 [应用物理学];
学科分类号
摘要
Superconducting YBaCuO (1-2-3) thin films have been deposited on GaAs by laser ablation, in the presence of an oxygen plasma, at a substrate temperature of 600 °C. The (100) GaAs had a thin (100 Å) Al0.3Ga 0.7As cap layer, in order to prevent decomposition of the GaAs. The as-deposited YBaCuO film had a Tc (onset) of 80 K and a Tc (zero) of 20 K. Transmission electron microscopy studies showed the presence of voids in the GaAs, ∼1000 Å in length, and extending 500 Å into the GaAs.
引用
收藏
页码:1905 / 1907
页数:3
相关论文
共 7 条
[1]   LOW-TEMPERATURE DEPOSITION OF Y-BA-CU-O FILMS ON A CAF2 GAAS SUBSTRATE [J].
MIZUNO, K ;
MIYAUCHI, M ;
SETSUNE, K ;
WASA, K .
APPLIED PHYSICS LETTERS, 1989, 54 (04) :383-385
[2]   AS-DEPOSITED SUPERCONDUCTING Y-BA-CU-O THIN-FILMS ON SI, AL2O3, AND SRTIO3 SUBSTRATES [J].
SILVER, RM ;
BEREZIN, AB ;
WENDMAN, M ;
DELOZANNE, AL .
APPLIED PHYSICS LETTERS, 1988, 52 (25) :2174-2176
[3]   SINGLE-CRYSTAL YBA2CU3O7-X THIN-FILMS BY ACTIVATED REACTIVE EVAPORATION [J].
TERASHIMA, T ;
IIJIMA, K ;
YAMAMOTO, K ;
BANDO, Y ;
MAZAKI, H .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1988, 27 (01) :L91-L93
[4]   AS-DEPOSITED Y-BA-CU-O SUPERCONDUCTING FILMS ON SILICON AT 400-DEGREES-C [J].
WITANACHCHI, S ;
PATEL, S ;
KWOK, HS ;
SHAW, DT .
APPLIED PHYSICS LETTERS, 1989, 54 (06) :578-580
[5]   DEPOSITION OF SUPERCONDUCTING Y-BA-CU-O FILMS AT 400-DEGREES-C WITHOUT POST-ANNEALING [J].
WITANACHCHI, S ;
KWOK, HS ;
WANG, XW ;
SHAW, DT .
APPLIED PHYSICS LETTERS, 1988, 53 (03) :234-236
[6]   LOW-TEMPERATURE PREPARATION OF HIGH-TC SUPERCONDUCTING THIN-FILMS [J].
WU, XD ;
INAM, A ;
VENKATESAN, T ;
CHANG, CC ;
CHASE, EW ;
BARBOUX, P ;
TARASCON, JM ;
WILKENS, B .
APPLIED PHYSICS LETTERS, 1988, 52 (09) :754-756
[7]   INSITU FORMATION OF YBA2CU3OX THIN-FILMS BY PHYSICAL SPUTTERING [J].
YEH, JJ ;
HONG, M ;
FELDER, RJ .
APPLIED PHYSICS LETTERS, 1989, 54 (12) :1163-1165