Potentials of RE-Ba2Cu3Oy in the silver base technology

M. Muralidhar; N. Sakai; T. Machi; I. Hirabayashi; S. Tanaka

doi:10.1016/j.physc.2007.04.313

Potentials of RE-Ba₂Cu₃O_y in the silver base technology

M. Muralidhar, N. Sakai, T. Machi, I. Hirabayashi, S. Tanaka

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

1 Citation (Scopus)

Abstract

With the aim to develop low cost, high performance superconducting thick films, we tested a new method, starting from a mixture of Er₂BaO₄, BaCuO₂, and CuO in the stoichiometric Er-123 ratio. Thick films were prepared by the screen printing technique, spreading the mixture paste on silver and MgO single-crystalline substrates processed then in Ar-1% O₂ atmosphere. Using a double-step annealing process, we obtained good quality Er-123 thick films on silver substrates, with T_c (onset) 92 K and transition width <1.5 K. Formation of large flat grains was observed by scanning electron microscope. Transmission electron microscopy observations showed clean and sharp interfaces between 123 phase and silver substrate.

Original language	English
Pages (from-to)	314-319
Number of pages	6
Journal	Physica C: Superconductivity and its applications
Volume	463-465
Issue number	SUPPL.
DOIs	https://doi.org/10.1016/j.physc.2007.04.313
Publication status	Published - 2007 Oct 1
Externally published	Yes

Keywords

Electron probe micro analysis
ErBaO
Quench experiments
SEM and TEM
Thick films
XRD

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1016/j.physc.2007.04.313

Cite this

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title = "Potentials of RE-Ba2Cu3Oy in the silver base technology",

abstract = "With the aim to develop low cost, high performance superconducting thick films, we tested a new method, starting from a mixture of Er2BaO4, BaCuO2, and CuO in the stoichiometric Er-123 ratio. Thick films were prepared by the screen printing technique, spreading the mixture paste on silver and MgO single-crystalline substrates processed then in Ar-1% O2 atmosphere. Using a double-step annealing process, we obtained good quality Er-123 thick films on silver substrates, with Tc (onset) 92 K and transition width <1.5 K. Formation of large flat grains was observed by scanning electron microscope. Transmission electron microscopy observations showed clean and sharp interfaces between 123 phase and silver substrate.",

keywords = "Electron probe micro analysis, ErBaO, Quench experiments, SEM and TEM, Thick films, XRD",

author = "M. Muralidhar and N. Sakai and T. Machi and I. Hirabayashi and S. Tanaka",

note = "Funding Information: This work was supported by the New Energy and Industrial Technology Development Organization (NEDO).",

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doi = "10.1016/j.physc.2007.04.313",

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AU - Muralidhar, M.

AU - Sakai, N.

AU - Machi, T.

AU - Hirabayashi, I.

AU - Tanaka, S.

N1 - Funding Information: This work was supported by the New Energy and Industrial Technology Development Organization (NEDO).

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N2 - With the aim to develop low cost, high performance superconducting thick films, we tested a new method, starting from a mixture of Er2BaO4, BaCuO2, and CuO in the stoichiometric Er-123 ratio. Thick films were prepared by the screen printing technique, spreading the mixture paste on silver and MgO single-crystalline substrates processed then in Ar-1% O2 atmosphere. Using a double-step annealing process, we obtained good quality Er-123 thick films on silver substrates, with Tc (onset) 92 K and transition width <1.5 K. Formation of large flat grains was observed by scanning electron microscope. Transmission electron microscopy observations showed clean and sharp interfaces between 123 phase and silver substrate.

AB - With the aim to develop low cost, high performance superconducting thick films, we tested a new method, starting from a mixture of Er2BaO4, BaCuO2, and CuO in the stoichiometric Er-123 ratio. Thick films were prepared by the screen printing technique, spreading the mixture paste on silver and MgO single-crystalline substrates processed then in Ar-1% O2 atmosphere. Using a double-step annealing process, we obtained good quality Er-123 thick films on silver substrates, with Tc (onset) 92 K and transition width <1.5 K. Formation of large flat grains was observed by scanning electron microscope. Transmission electron microscopy observations showed clean and sharp interfaces between 123 phase and silver substrate.

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KW - Quench experiments

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KW - Thick films

KW - XRD

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