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Author:

Pallewatta, Asanka Pramod (Pallewatta, Asanka Pramod.) | Zhao, Yue (Zhao, Yue.) | Hui, Tian (Hui, Tian.) | Grivel, Jean-Claude (Grivel, Jean-Claude.)

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EI Scopus

Abstract:

SrTiO3 is a widely studied perovskite material due to its advantages as a buffer template which can be simply applied between a metal substrate tape and a superconducting layer in 2G high temperature superconducting (HTS) tapes. In this study, heteroepitaxial SrTiO3 thin films were deposited on textured Cu/33%Ni substrates using dip-coating in a precursor solution followed by drying and annealing under controlled oxygen partial pressures. The control of the ambient atmosphere during annealing is an important experimental issue in order to achieve thin films with high quality surface texture. We found that rather low oxygen partial pressures are necessary for obtaining the desired cube texture in the film surface. We could obtain thin films with finely covered homogeneous mono-coatings, with thicknesses of 80-100 nm. The films have been characterized in terms of texture and surface morphology, suggesting that they are promising templates for further deposition of YBCO superconducting layers.

Keyword:

Quality control Morphology Strontium titanates Yttrium barium copper oxides Surface morphology Copper compounds High temperature superconductors Thin films Epitaxial growth Buffer layers Partial pressure Oxygen Coatings Superconducting films Critical current density (superconductivity) Substrates Textures Superconducting tapes Perovskite

Author Community:

  • [ 1 ] [Pallewatta, Asanka Pramod]DTU (Technical University of Denmark), Department of Energy Conversion and Storage, Frederiksborgvej 399, Roskilde, 4000, Denmark
  • [ 2 ] [Zhao, Yue]DTU (Technical University of Denmark), Department of Energy Conversion and Storage, Frederiksborgvej 399, Roskilde, 4000, Denmark
  • [ 3 ] [Hui, Tian]Beijing University of Technology, College of Materials Science and Engineering, Beijing, 100124, China
  • [ 4 ] [Grivel, Jean-Claude]DTU (Technical University of Denmark), Department of Energy Conversion and Storage, Frederiksborgvej 399, Roskilde, 4000, Denmark

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Source :

Year: 2013

Volume: 3

Page: 2095-2101

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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