OFF-AXIS LASER DEPOSITION OF YBA2CU3O7-DELTA THIN-FILMS

被引：221

作者：

HOLZAPFEL, B ^{[1
]}

ROAS, B ^{[1
]}

SCHULTZ, L ^{[1
]}

BAUER, P ^{[1
]}

SAEMANNISCHENKO, G ^{[1
]}

机构：

[1] UNIV ERLANGEN NURNBERG,INST PHYS,W-8520 ERLANGEN,GERMANY

来源：

APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 26期

关键词：

D O I：

10.1063/1.107951

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on YBa2Cu3O7-delta thin-film preparation by a new laser deposition geometry, the so-called off-axis laser deposition. Combined with radiation-based substrate heating, this results in c-axis oriented, epitaxial YBa2Cu3O7-delta thin films with critical current densities above 10(6) A/cm2 at 77 K and zero field and an exceptionally good surface quality, with complete absence of the otherwise observed laser droplets. As proved by atomic force microscopy, the surface roughness is < 80 angstrom over an area of at least 10 X 10 mum2. Using this off-axis geometry it is possible to coat both sides of a substrate simultaneously, providing a one-step process in double-sided thin-film deposition. Both YBa2Cu3O7-delta films on the substrate show identical superconducting properties.

引用

页码：3178 / 3180

页数：3

共 12 条

[1] SCANNING TUNNELING MICROSCOPY OF SURFACE-PROPERTIES OF EPITAXIAL YBA2CU3O7-DELTA AND BI2SR2CA1CU2O8+DELTA HIGH-TC THIN-FILMS PREPARED BY DIFFERENT METHODS
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[2] ORIGIN OF SURFACE-ROUGHNESS FOR C-AXIS ORIENTED Y-BA-CU-O SUPERCONDUCTING FILMS
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[3] BI-EPITAXIAL GRAIN-BOUNDARY JUNCTIONS IN YBA2CU3O7
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[J]. APPLIED PHYSICS LETTERS, 1991, 59 (06) : 733 - 735
[4] LASER DESORPTION MASS-SPECTRA OF YBA2CU3O7-X
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[J]. APPLIED PHYSICS LETTERS, 1990, 57 (09) : 937 - 939
[5] EXCIMER LASER ABLATION OF A YBA2CU3O7-DELTA TARGET IN A VACUUM - CHARACTERIZATION OF THE MASS AND ENERGY OF EJECTED MATERIAL
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[J]. THIN SOLID FILMS, 1991, 206 (1-2) : 111 - 115
[6] INVESTIGATION OF EXCIMER LASER ABLATION OF CERAMIC AND THIN-FILM Y-BA-CU-O USING NANOSECOND PHOTOACOUSTIC TECHNIQUES
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[J]. APPLIED PHYSICS LETTERS, 1992, 60 (15) : 1890 - 1892
[7] LARGE-AREA, 2-SIDED SUPERCONDUCTING YBA2CU3O7-X FILMS DEPOSITED BY PULSED LASER DEPOSITION
FOLTYN, SR
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[J]. APPLIED PHYSICS LETTERS, 1991, 59 (11) : 1374 - 1376
[8] MULTILAYER YBA2CU3OX-SRTIO3-YBA2CU3OX FILMS FOR INSULATING CROSSOVERS
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[J]. APPLIED PHYSICS LETTERS, 1990, 56 (02) : 189 - 191
[9] PARTICULATES REDUCTION IN LASER-ABLATED YBA2CU3O7-DELTA THIN-FILMS BY LASER-INDUCED PLUME HEATING
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[J]. APPLIED PHYSICS LETTERS, 1990, 56 (21) : 2144 - 2146
[10] MULTILEVEL YBACUO FLUX TRANSFORMERS WITH HIGH-TC SQUIDS - A PROTOTYPE HIGH-TC SQUID MAGNETOMETER WORKING AT 77-K
OH, B
KOCH, RH
GALLAGHER, WJ
ROBERTAZZI, RP
EIDELLOTH, W
[J]. APPLIED PHYSICS LETTERS, 1991, 59 (01) : 123 - 125

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