Textured buffer layers for YBCO coated conductors by continuous sol-gel processing

H. Okuyucu; E. Celik; M. K. Ramazanoglu; Y. Akin; I. H. Mutlu; W. Sigmund; J. E. Crow; Y. S. Hascicek

doi:10.1109/77.919666

Textured buffer layers for YBCO coated conductors by continuous sol-gel processing

H. Okuyucu^*, E. Celik, M. K. Ramazanoglu, Y. Akin, I. H. Mutlu, W. Sigmund, J. E. Crow, Y. S. Hascicek

^*Corresponding author for this work

Research output: Contribution to journal › Conference article › peer-review

23 Citations (Scopus)

Abstract

In order to develop alternative buffer layers for YBCO coated conductors, RE₂O₃ (RE=La, Pr, Sm, Eu, Gd, Tb, Ho, Yb, and Lu) thin films were studied as candidate materials. Buffer layers were grown on Ni tapes using organometallic compounds that are 2,4-pentanedionates, isopropoxides, and acetates by a continuous, non-vacuum, sol-gel process. Films were annealed at 900°C-1200°C under 4%H₂-Ar gas mixture. The buffer layers were characterized by means of ESEM, SEM, EDS, XRD and pole figure analysis. Textured, pinhole free crack free, continuous buffer layers were obtained by using 2,4-pentanedionates.

Original language	English
Pages (from-to)	2889-2892
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	11
Issue number	1 III
DOIs	https://doi.org/10.1109/77.919666
Publication status	Published - Mar 2001
Externally published	Yes
Event	2000 Applied Superconductivity Conference - Virginia Beach, VA, United States Duration: 17 Sept 2000 → 22 Sept 2000

Keywords

Buffer layer
Coated conductors
Sol-gel
Superconductivity
YBCO

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10.1109/77.919666

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title = "Textured buffer layers for YBCO coated conductors by continuous sol-gel processing",

abstract = "In order to develop alternative buffer layers for YBCO coated conductors, RE2O3 (RE=La, Pr, Sm, Eu, Gd, Tb, Ho, Yb, and Lu) thin films were studied as candidate materials. Buffer layers were grown on Ni tapes using organometallic compounds that are 2,4-pentanedionates, isopropoxides, and acetates by a continuous, non-vacuum, sol-gel process. Films were annealed at 900°C-1200°C under 4%H2-Ar gas mixture. The buffer layers were characterized by means of ESEM, SEM, EDS, XRD and pole figure analysis. Textured, pinhole free crack free, continuous buffer layers were obtained by using 2,4-pentanedionates.",

keywords = "Buffer layer, Coated conductors, Sol-gel, Superconductivity, YBCO",

author = "H. Okuyucu and E. Celik and Ramazanoglu, {M. K.} and Y. Akin and Mutlu, {I. H.} and W. Sigmund and Crow, {J. E.} and Hascicek, {Y. S.}",

year = "2001",

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doi = "10.1109/77.919666",

language = "English",

volume = "11",

pages = "2889--2892",

journal = "IEEE Transactions on Applied Superconductivity",

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AU - Okuyucu, H.

AU - Celik, E.

AU - Ramazanoglu, M. K.

AU - Akin, Y.

AU - Mutlu, I. H.

AU - Sigmund, W.

AU - Crow, J. E.

AU - Hascicek, Y. S.

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Y1 - 2001/3

N2 - In order to develop alternative buffer layers for YBCO coated conductors, RE2O3 (RE=La, Pr, Sm, Eu, Gd, Tb, Ho, Yb, and Lu) thin films were studied as candidate materials. Buffer layers were grown on Ni tapes using organometallic compounds that are 2,4-pentanedionates, isopropoxides, and acetates by a continuous, non-vacuum, sol-gel process. Films were annealed at 900°C-1200°C under 4%H2-Ar gas mixture. The buffer layers were characterized by means of ESEM, SEM, EDS, XRD and pole figure analysis. Textured, pinhole free crack free, continuous buffer layers were obtained by using 2,4-pentanedionates.

AB - In order to develop alternative buffer layers for YBCO coated conductors, RE2O3 (RE=La, Pr, Sm, Eu, Gd, Tb, Ho, Yb, and Lu) thin films were studied as candidate materials. Buffer layers were grown on Ni tapes using organometallic compounds that are 2,4-pentanedionates, isopropoxides, and acetates by a continuous, non-vacuum, sol-gel process. Films were annealed at 900°C-1200°C under 4%H2-Ar gas mixture. The buffer layers were characterized by means of ESEM, SEM, EDS, XRD and pole figure analysis. Textured, pinhole free crack free, continuous buffer layers were obtained by using 2,4-pentanedionates.

KW - Buffer layer

KW - Coated conductors

KW - Sol-gel

KW - Superconductivity

KW - YBCO

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U2 - 10.1109/77.919666

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EP - 2892

JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

IS - 1 III

T2 - 2000 Applied Superconductivity Conference

Y2 - 17 September 2000 through 22 September 2000

ER -

Textured buffer layers for YBCO coated conductors by continuous sol-gel processing

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Keywords

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