MBE SYNTHESIS OF YBa2Cu3Oy SUPERCONDUCTING THIN FILMS

被引：4

作者：

Matijasevic, V. C. ^{[1
]}

Appelboom, H. M. ^{[1
]}

Mathu, F. ^{[1
]}

Hadley, P. ^{[1
]}

van der Marel, D. ^{[1
]}

Mooij, J. E. ^{[1
]}

机构：

[1] Delft Univ Technol, Appl Phys, NL-2628 CJ Delft, Netherlands

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1993年 / 3卷 / 01期

关键词：

D O I：

10.1109/77.233377

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We discuss issues concerning molecular beam epitaxy of the superconductor YBa2Cu3Oy. We have made films by MBE at low pressures using molecular oxygen and ozone. A minimum incidence rate of each of these species for synthesis of YBa2Cu3Oy is established and compared with the thermodynamic stability data and lower kinetic limits. For ozone the lower limit appears to be determined by the growth rate. Generally the best films that are made at low pressures (less than 10(-2) mbar of oxygen or with ozone) have slightly lower transition temperatures and expanded c-axes, but still sharp transitions and high critical currents. Cation disorder is suggested as a likely explanation for these properties. We discuss the model of solubility of Ba on the Y sites and find it consistent with experimental results.

引用

页码：1524 / 1527

页数：4

共 17 条

[1]

Appelboom H. M., 1992, THESIS DELFT U TECHN

[2]

Appelboom H.M., IN PRESS

[3]

BEYERS R, 1991, ANNU REV MATER SCI, V21, P335

[4] YBA2CU3OX EPITAXIAL-FILMS PREPARED BY RF MAGNETRON SPUTTERING - DEPOSITION MECHANISMS, STRUCTURE AND SUPERCONDUCTING PROPERTIES [J].

BOGUSLAVSKY, YM ;

SHAPOVALOV, AP .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 1991, 4 (04) :149-152

[5] EVIDENCE FOR RAPID SUPPRESSION OF QUASI-PARTICLE SCATTERING BELOW T(C) IN YBA2CU3O7-DELTA [J].

BONN, DA ;

DOSANJH, P ;

LIANG, R ;

HARDY, WN .

PHYSICAL REVIEW LETTERS, 1992, 68 (15) :2390-2393

[6] SYNTHESIS AND PROPERTIES OF YBA2CU3O7 THIN-FILMS GROWN INSITU BY 90-DEGREES OFF-AXIS SINGLE MAGNETRON SPUTTERING [J].

EOM, CB ;

SUN, JZ ;

LAIRSON, BM ;

STREIFFER, SK ;

MARSHALL, AF ;

YAMAMOTO, K ;

ANLAGE, SM ;

BRAVMAN, JC ;

GEBALLE, TH .

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 1990, 171 (3-4) :354-382

[7]

Feenstra R., 1992, MAT RES SOC P, V275

[8] CORRELATION BETWEEN THE INSITU GROWTH-CONDITIONS OF YBCO THIN-FILMS AND THE THERMODYNAMIC STABILITY-CRITERIA [J].

HAMMOND, RH ;

BORMANN, R .

PHYSICA C, 1989, 162 :703-704

[9] SYNTHESIS OF NEW OXIDE MATERIALS BY MOLECULAR-BEAM EPITAXY - THE DY-BA-CU-O AND BA-K-BI-O SYSTEMS [J].

HELLMAN, ES ;

HARTFORD, EH .

PHYSICA C, 1991, 190 (1-2) :31-34

[10] FLUX-PINNING MECHANISMS IN THIN-FILMS OF YBA2CU3OX [J].

HYLTON, TL ;

BEASLEY, MR .

PHYSICAL REVIEW B, 1990, 41 (16) :11669-11672

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