Microstructure of Bi2(Sr,Ca)3Cu2Ox/Bi2Sr2CuOx/Bi2(Sr,Ca)3Cu2Ox multilayer films fabricated by ion beam sputtering

T. Satoh; J. Fujita; T. Yoshitake; H. Igarashi; S. Miura; N. Matsukura; H. Tsuge

doi:10.1016/0921-4534(91)91154-V

Microstructure of Bi₂(Sr,Ca)₃Cu₂O_x/Bi₂Sr₂CuO_x/Bi₂(Sr,Ca)₃Cu₂O_x multilayer films fabricated by ion beam sputtering

T. Satoh, J. Fujita, T. Yoshitake, H. Igarashi, S. Miura, N. Matsukura, H. Tsuge

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

Abstract

Multilayers of Bi₂(Sr,Ca)₃Cu₂O_x/Bi₂Sr₂CuO_x/Bi₂(Sr,Ca)₃Cu₂O_x(2212/2201/2212) were fabricated by ion beam sputtering on polished (001)MgO substrates with a thin 2201 buffer layer. The buffer layers significantly improved the surface flatness of the multilayers. The multilayers grew epitaxially with a c-axis orientation normal to the substrate surface. The intermediate 2201 layers were uniform in thickness and the 2212/2201 interfaces were abrupt. The results indicate that the 2212/2201/2212 multilayers are suitable for the fabrication of high temperature superconducting Josephson junctions.

Original language	English
Pages (from-to)	2059-2060
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	185-189
Issue number	PART 3
DOIs	https://doi.org/10.1016/0921-4534(91)91154-V
Publication status	Published - 1991 Dec 1
Externally published	Yes

ASJC Scopus subject areas

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

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10.1016/0921-4534(91)91154-V

Cite this

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title = "Microstructure of Bi2(Sr,Ca)3Cu2Ox/Bi2Sr2CuOx/Bi2(Sr,Ca)3Cu2Ox multilayer films fabricated by ion beam sputtering",

abstract = "Multilayers of Bi2(Sr,Ca)3Cu2Ox/Bi2Sr2CuOx/Bi2(Sr,Ca)3Cu2Ox(2212/2201/2212) were fabricated by ion beam sputtering on polished (001)MgO substrates with a thin 2201 buffer layer. The buffer layers significantly improved the surface flatness of the multilayers. The multilayers grew epitaxially with a c-axis orientation normal to the substrate surface. The intermediate 2201 layers were uniform in thickness and the 2212/2201 interfaces were abrupt. The results indicate that the 2212/2201/2212 multilayers are suitable for the fabrication of high temperature superconducting Josephson junctions.",

author = "T. Satoh and J. Fujita and T. Yoshitake and H. Igarashi and S. Miura and N. Matsukura and H. Tsuge",

year = "1991",

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doi = "10.1016/0921-4534(91)91154-V",

language = "English",

volume = "185-189",

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journal = "Physica C: Superconductivity and its Applications",

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TY - JOUR

T1 - Microstructure of Bi2(Sr,Ca)3Cu2Ox/Bi2Sr2CuOx/Bi2(Sr,Ca)3Cu2Ox multilayer films fabricated by ion beam sputtering

AU - Satoh, T.

AU - Fujita, J.

AU - Yoshitake, T.

AU - Igarashi, H.

AU - Miura, S.

AU - Matsukura, N.

AU - Tsuge, H.

PY - 1991/12/1

Y1 - 1991/12/1

N2 - Multilayers of Bi2(Sr,Ca)3Cu2Ox/Bi2Sr2CuOx/Bi2(Sr,Ca)3Cu2Ox(2212/2201/2212) were fabricated by ion beam sputtering on polished (001)MgO substrates with a thin 2201 buffer layer. The buffer layers significantly improved the surface flatness of the multilayers. The multilayers grew epitaxially with a c-axis orientation normal to the substrate surface. The intermediate 2201 layers were uniform in thickness and the 2212/2201 interfaces were abrupt. The results indicate that the 2212/2201/2212 multilayers are suitable for the fabrication of high temperature superconducting Josephson junctions.

AB - Multilayers of Bi2(Sr,Ca)3Cu2Ox/Bi2Sr2CuOx/Bi2(Sr,Ca)3Cu2Ox(2212/2201/2212) were fabricated by ion beam sputtering on polished (001)MgO substrates with a thin 2201 buffer layer. The buffer layers significantly improved the surface flatness of the multilayers. The multilayers grew epitaxially with a c-axis orientation normal to the substrate surface. The intermediate 2201 layers were uniform in thickness and the 2212/2201 interfaces were abrupt. The results indicate that the 2212/2201/2212 multilayers are suitable for the fabrication of high temperature superconducting Josephson junctions.

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Microstructure of Bi₂(Sr,Ca)₃Cu₂O_x/Bi₂Sr₂CuO_x/Bi₂(Sr,Ca)₃Cu₂O_x multilayer films fabricated by ion beam sputtering

Abstract

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