Improved superconducting properties of SmBa2Cu3O7−δ films using YBa2Cu3O7−δ buffer layers

C. Kwon; L. R. Kinder; Y. Fan; Y. Gim; A. T. Findikoglu; J. F. Bingert; J. Y. Coulter; S. R. Foltyn; D. E. Petersonand; Q. X. Jia

doi:10.1080/13642810008218338

Improved superconducting properties of SmBa₂Cu₃O_7−δ films using YBa₂Cu₃O_7−δ buffer layers

C. Kwon
, L. R. Kinder
, Y. Fan
, Y. Gim
, A. T. Findikoglu
, J. F. Bingert
, J. Y. Coulter
, S. R. Foltyn
, D. E. Petersonand
, Q. X. Jia

Department of Materials Design and Innovation

Los Alamos National Laboratory Materials Science and Technology Division
California State University Long Beach

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We report the fabrication of SmBa₂Cu₃O_7−δ (Sm123) films on YBa₂Cu₃0_7−δ(Y123) buffer layers 10–20nm thick using pulsed-laser deposition. Significant improvement in the superconducting properties of Sm 123 such as T_c and J_c has been observed when Y123 buffer layers are used on various substrates (LaAlO₃, SrTiO₃, NdGaO₃ and CeO₂/(yttrium-stabilized zirconia)). The buffered Sm 123 films have a high T_c of 93.1 K and a high J_c of 1.9 × 10⁶ Acm⁻² at 75 K in zero magnetic field. Compared with Y123, the buffered Sm123 samples have com-parable microwave surface resistance values and pinning characteristics with reduced anisotropy measured by the angle-dependent I_c. The effects of the Y123 buffer layer on the superconducting properties of Sm 123 are investigated and discussed in relation to the initial film growth chemistry and the substitution of Sm on Ba sites.

Original language	English
Pages (from-to)	45-51
Number of pages	7
Journal	Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume	80
Issue number	1
DOIs	https://doi.org/10.1080/13642810008218338
State	Published - Jan 2000

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Kwon, C., Kinder, L. R., Fan, Y., Gim, Y., Findikoglu, A. T., Bingert, J. F., Coulter, J. Y., Foltyn, S. R., Petersonand, D. E., & Jia, Q. X. (2000). Improved superconducting properties of SmBa₂Cu₃O_7−δ films using YBa₂Cu₃O_7−δ buffer layers. Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties, 80(1), 45-51. https://doi.org/10.1080/13642810008218338

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title = "Improved superconducting properties of SmBa2Cu3O7−δ films using YBa2Cu3O7−δ buffer layers",

abstract = "We report the fabrication of SmBa2Cu3O7−δ (Sm123) films on YBa2Cu307−δ(Y123) buffer layers 10–20nm thick using pulsed-laser deposition. Significant improvement in the superconducting properties of Sm 123 such as Tc and Jc has been observed when Y123 buffer layers are used on various substrates (LaAlO3, SrTiO3, NdGaO3 and CeO2/(yttrium-stabilized zirconia)). The buffered Sm 123 films have a high Tc of 93.1 K and a high Jc of 1.9 × 106 Acm−2 at 75 K in zero magnetic field. Compared with Y123, the buffered Sm123 samples have com-parable microwave surface resistance values and pinning characteristics with reduced anisotropy measured by the angle-dependent Ic. The effects of the Y123 buffer layer on the superconducting properties of Sm 123 are investigated and discussed in relation to the initial film growth chemistry and the substitution of Sm on Ba sites.",

author = "C. Kwon and Kinder, \{L. R.\} and Y. Fan and Y. Gim and Findikoglu, \{A. T.\} and Bingert, \{J. F.\} and Coulter, \{J. Y.\} and Foltyn, \{S. R.\} and Petersonand, \{D. E.\} and Jia, \{Q. X.\}",

year = "2000",

month = jan,

doi = "10.1080/13642810008218338",

language = "English",

volume = "80",

pages = "45--51",

journal = "Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties",

issn = "1364-2812",

publisher = "Taylor and Francis Ltd.",

number = "1",

}

Kwon, C, Kinder, LR, Fan, Y, Gim, Y, Findikoglu, AT, Bingert, JF, Coulter, JY, Foltyn, SR, Petersonand, DE & Jia, QX 2000, 'Improved superconducting properties of SmBa₂Cu₃O_7−δ films using YBa₂Cu₃O_7−δ buffer layers', Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties, vol. 80, no. 1, pp. 45-51. https://doi.org/10.1080/13642810008218338

TY - JOUR

T1 - Improved superconducting properties of SmBa2Cu3O7−δ films using YBa2Cu3O7−δ buffer layers

AU - Kwon, C.

AU - Kinder, L. R.

AU - Fan, Y.

AU - Gim, Y.

AU - Findikoglu, A. T.

AU - Bingert, J. F.

AU - Coulter, J. Y.

AU - Foltyn, S. R.

AU - Petersonand, D. E.

AU - Jia, Q. X.

PY - 2000/1

Y1 - 2000/1

N2 - We report the fabrication of SmBa2Cu3O7−δ (Sm123) films on YBa2Cu307−δ(Y123) buffer layers 10–20nm thick using pulsed-laser deposition. Significant improvement in the superconducting properties of Sm 123 such as Tc and Jc has been observed when Y123 buffer layers are used on various substrates (LaAlO3, SrTiO3, NdGaO3 and CeO2/(yttrium-stabilized zirconia)). The buffered Sm 123 films have a high Tc of 93.1 K and a high Jc of 1.9 × 106 Acm−2 at 75 K in zero magnetic field. Compared with Y123, the buffered Sm123 samples have com-parable microwave surface resistance values and pinning characteristics with reduced anisotropy measured by the angle-dependent Ic. The effects of the Y123 buffer layer on the superconducting properties of Sm 123 are investigated and discussed in relation to the initial film growth chemistry and the substitution of Sm on Ba sites.

AB - We report the fabrication of SmBa2Cu3O7−δ (Sm123) films on YBa2Cu307−δ(Y123) buffer layers 10–20nm thick using pulsed-laser deposition. Significant improvement in the superconducting properties of Sm 123 such as Tc and Jc has been observed when Y123 buffer layers are used on various substrates (LaAlO3, SrTiO3, NdGaO3 and CeO2/(yttrium-stabilized zirconia)). The buffered Sm 123 films have a high Tc of 93.1 K and a high Jc of 1.9 × 106 Acm−2 at 75 K in zero magnetic field. Compared with Y123, the buffered Sm123 samples have com-parable microwave surface resistance values and pinning characteristics with reduced anisotropy measured by the angle-dependent Ic. The effects of the Y123 buffer layer on the superconducting properties of Sm 123 are investigated and discussed in relation to the initial film growth chemistry and the substitution of Sm on Ba sites.

UR - https://www.scopus.com/pages/publications/18744414182

U2 - 10.1080/13642810008218338

DO - 10.1080/13642810008218338

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SN - 1364-2812

VL - 80

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EP - 51

JO - Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties

JF - Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties

IS - 1

ER -

Improved superconducting properties of SmBa₂Cu₃O_7−δ films using YBa₂Cu₃O_7−δ buffer layers

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