High Ic, YBa2Cu3O7-x films grown at very high rates by liquid assisted growth incorporating lightly Au-doped SrTiO3 buffers

被引：7

作者：

Kursumovic, A. ^{[1
]}

Maiorov, B. ^{[2
]}

Durrell, J. H. ^{[1
]}

Wang, H. ^{[3
]}

Zhou, H. ^{[2
]}

Stan, L. ^{[2
]}

Harrington, S. ^{[1
]}

Wimbush, S. ^{[1
]}

Holesinger, T. G. ^{[2
]}

MacManus-Driscoll, J. L. ^{[1
]}

机构：

[1] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England

[2] Los Alamos Natl Lab, Superconduct Technol Ctr, Los Alamos, NM 87545 USA

[3] Texas A&M Univ, Dept Elect & Comp Engn, College Stn, TX 77843 USA

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2009年 / 22卷 / 01期

关键词：

COATED CONDUCTORS; PHASE EPITAXY; GOLD NANOPARTICLES; THIN-FILM; HTS WIRE; PROGRESS; SUPERCONDUCTIVITY; DEPOSITION;

D O I：

10.1088/0953-2048/22/1/015009

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

YBa2Cu3O7-x (YBCO) thick films were grown by hybrid liquid phase epitaxy (HLPE) on (001) SrTiO3 (STO) substrates. In the presence of a 100 nm thick, 5 mol% Au-doped STO buffer, self-field critical current densities, J(c)(sf), at 77 K of similar to 2.4 MA cm(-2) and critical currents, I-c(sf), up to 700 A (cm-width)(-1) were achieved. The J(c) value is virtually independent of thickness and the growth rates are very high (similar to 1 mu m min(-1)). From transmission electron microscopy (TEM), Y2O3 nanocloud extended defects (similar to 100 nm in size) were identified as the pinning defects in the films. Enhanced random pinning was induced by the presence of Au in the buffer.

引用

页数：5

共 28 条

[1] THIN-FILM COMPOSITES OF AU AND YBA2CU3O7-DELTA [J].

ALLEN, LA ;

CUKAUSKAS, EJ ;

FISHER, MA .

APPLIED PHYSICS LETTERS, 1995, 66 (08) :1003-1005

[2] Synthesis and characterization of cu-doped SrTiO3 powders and sol-gel processed buffer layers on IBAD MgO templates [J].

Ayala, A ;

Holesinger, TG ;

Clem, PG ;

Matias, V ;

Jia, QX ;

Wang, HY ;

Foltyn, SR ;

Gibbons, B .

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2005, 15 (02) :2703-2706

[3] Microstructural characterization of YBa2Cu3O7-δ thick films grown at very high rates and high temperatures by pulsed laser deposition [J].

Berenov, A ;

Malde, N ;

Bugoslavsky, Y ;

Cohen, LF ;

Foltyn, SJ ;

Dowden, P ;

Ramirez-Castellanos, J ;

Gonzalez-Calbet, JM ;

Vallet-Regi, M ;

MacManus-Driscoll, JL .

JOURNAL OF MATERIALS RESEARCH, 2003, 18 (04) :956-964

[4] Arrangement of gold clusters in YBCO:Au [J].

Cashion, JD ;

Jinks, D ;

Jakovidis, G ;

Brown, LJ ;

Ganakas, G ;

Morgan, MJ .

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 1997, 8 (01) :39-42

[5] UNEXPECTED EFFECTS OF GOLD ON THE STRUCTURE, SUPERCONDUCTIVITY, AND NORMAL STATE OF YBA2CU3O7 [J].

CIEPLAK, MZ ;

XIAO, G ;

CHIEN, CL ;

STALICK, JK ;

RHYNE, JJ .

APPLIED PHYSICS LETTERS, 1990, 57 (09) :934-936

[6] Gold nanoparticles: Assembly, supramolecular chemistry, quantum-size-related properties, and applications toward biology, catalysis, and nanotechnology [J].

Daniel, MC ;

Astruc, D .

CHEMICAL REVIEWS, 2004, 104 (01) :293-346

[7] Influence of growth temperature on critical current and magnetic flux pinning structures in YBa2Cu3O7-x [J].

Feldmann, D. M. ;

Ugurlu, O. ;

Maiorov, B. ;

Stan, L. ;

Holesinger, T. G. ;

Civale, L. ;

Foltyn, S. R. ;

Jia, Q. X. .

APPLIED PHYSICS LETTERS, 2007, 91 (16)

[8] Materials science challenges for high-temperature superconducting wire [J].

Foltyn, S. R. ;

Civale, L. ;

Macmanus-Driscoll, J. L. ;

Jia, Q. X. ;

Maiorov, B. ;

Wang, H. ;

Maley, M. .

NATURE MATERIALS, 2007, 6 (09) :631-642

[9] Overcoming the barrier to 1000 A/cm width superconducting coatings [J].

Foltyn, SR ;

Wang, H ;

Civale, L ;

Jia, QX ;

Arendt, PN ;

Maiorov, B ;

Li, Y ;

Maley, MP ;

MacManus-Driscoll, JL .

APPLIED PHYSICS LETTERS, 2005, 87 (16) :1-3

[10] Synthesis and electrochemical applications of gold nanoparticles [J].

Guo, Shaojun ;

Wang, Erkang .

ANALYTICA CHIMICA ACTA, 2007, 598 (02) :181-192

← 1 2 3 →