Preparation and properties of YSZ-doped YBCO films grown by the TFA-MOD method

被引：9

作者：

Liu, Min ^{[1
,2
]}

Suo, Hongli ^{[1
]}

Ye, Shuai ^{[1
]}

Shi, Dongqi ^{[2
]}

Zhao, Yue ^{[1
]}

Tang, Xiao ^{[1
]}

Ma, Lin ^{[1
]}

Li, Qi ^{[2
]}

Wang, Lin ^{[2
]}

Zhou, Meiling ^{[1
]}

Dou, Shixue ^{[2
]}

机构：

[1] Beijing Univ Technol, Minist Educ, Key Lab Adv Funct Mat, Beijing 100022, Peoples R China

[2] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2008年 / 21卷 / 11期

基金：

澳大利亚研究理事会;

关键词：

D O I：

10.1088/0953-2048/21/11/115012

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

YBa2Cu3O7-delta (YBCO) films with Zr doping have been prepared successfully by the trifluoroacetate metal-organic deposition (TFA-MOD) method through dissolving Zr acetylacetonate in the precursor solution. Yttria-stabilized zirconia (YSZ) nanoparticles were detected in the doped YBCO films by x-ray diffraction (XRD) and scanning electron microscopy (SEM). From the analysis of XRD omega and phi scans, the doped films have better out-of-plane and in-plane textures than those of the un-doped YBCO film. Although the doped YBCO films have a lower critical transition temperature (T-c) than that of un-doped YBCO film, a very significant enhancement of critical current density (J(c)) is displayed as compared to the un-doped film at high applied fields. A high J(c) near 10(6) A cm(-2) at 1 T and a J(c) of 10(5) A cm(-2) at 5 T were observed in 6% doped Zr film, which are 5 times and 25 times the J(c) values of the un-doped film in the same applied fields, respectively, indicating an optimal defect density created by 6% Zr doping.

引用

页数：5

共 17 条

[1] Analysis of flux pinning in YBa2Cu3O7-δ films by nanoparticle-modified substrate surfaces [J].

Aytug, T. ;

Paranthaman, M. ;

Leonard, K. J. ;

Kang, S. ;

Martin, P. M. ;

Heatherly, L. ;

Goyal, A. ;

Ijaduola, A. O. ;

Thompson, J. R. ;

Christen, D. K. ;

Meng, R. ;

Rusakova, I. ;

Chu, C. W. .

PHYSICAL REVIEW B, 2006, 74 (18)

[2] High critical current density and its field dependence in mixed rare earth (Nd,Eu,Gd)Ba2Cu3O7-δ thin films [J].

Cai, C ;

Holzapfel, B ;

Hänisch, J ;

Fernández, L ;

Schultz, L .

APPLIED PHYSICS LETTERS, 2004, 84 (03) :377-379

[3] Sputtered nanodots: A costless method for inducing effective pinning centers in superconducting thin films [J].

Crisan, A ;

Fujiwara, S ;

Nie, JC ;

Sundaresan, A ;

Ihara, H .

APPLIED PHYSICS LETTERS, 2001, 79 (27) :4547-4549

[4] 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

[5] Irradiation-free, columnar defects comprised of self-assembled nanodots and nanorods resulting in strongly enhanced flux-pinning in YBa2Cu3O7-δ films [J].

Goyal, A ;

Kang, S ;

Leonard, KJ ;

Martin, PM ;

Gapud, AA ;

Varela, M ;

Paranthaman, M ;

Ijaduola, AO ;

Specht, ED ;

Thompson, JR ;

Christen, DK ;

Pennycook, SJ ;

List, FA .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2005, 18 (11) :1533-1538

[6] Strong isotropic flux pinning in solution-derived YBa2Cu3O7-x nanocomposite superconductor films [J].

Gutierrez, J. ;

Llordes, A. ;

Gazquez, J. ;

Gibert, M. ;

Roma, N. ;

Ricart, S. ;

Pomar, A. ;

Sandiumenge, F. ;

Mestres, N. ;

Puig, T. ;

Obradors, X. .

NATURE MATERIALS, 2007, 6 (05) :367-373

[7] Island growth of Y2BaCuO5 nanoparticles in (211∼1.5 nm/123∼10 nm)xN composite multilayer structures to enhance flux pinning of YBa2Cu3O7-δ films [J].

Haugan, T ;

Barnes, PN ;

Maartense, I ;

Cobb, CB ;

Lee, EJ ;

Sumption, M .

JOURNAL OF MATERIALS RESEARCH, 2003, 18 (11) :2618-2623

[8] High-temperature superconducting thick films with enhanced supercurrent carrying capability [J].

Jia, QX ;

Foltyn, SR ;

Arendt, PN ;

Smith, JF .

APPLIED PHYSICS LETTERS, 2002, 80 (09) :1601-1603

[9] High-performance high-Tc superconducting wires [J].

Kang, S ;

Goyal, A ;

Li, J ;

Gapud, AA ;

Martin, PM ;

Heatherly, L ;

Thompson, JR ;

Christen, DK ;

List, FA ;

Paranthaman, M ;

Lee, DF .

SCIENCE, 2006, 311 (5769) :1911-1914

[10] Strongly enhanced current densities in superconducting coated conductors of YBa2Cu3O7-x+BaZrO3 [J].

Macmanus-Driscoll, JL ;

Foltyn, SR ;

Jia, QX ;

Wang, H ;

Serquis, A ;

Civale, L ;

Maiorov, B ;

Hawley, ME ;

Maley, MP ;

Peterson, DE .

NATURE MATERIALS, 2004, 3 (07) :439-443

← 1 2 →