Orientation control of HTS thin films

K. Endo; H. Ishikawa; T. Yoshizawa; K. Abe; J. Itoh; K. Kajimura

Orientation control of HTS thin films

K. Endo, H. Ishikawa, T. Yoshizawa, K. Abe, J. Itoh, K. Kajimura

IFS - Global Collaborative Research and Education Center for Integrated Flow Science (IFS-GCORE)

National Institute of Advanced Industrial Science and Technology

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

Abstract

The preparation of non c-axis oriented HTS films with longer coherence length is one of key technologies toward realisation of viable Josephson devices. We reports on the successful growth of (119)Bi-2223 films by MOCVD using a two-step growth temperature procedure and on AFM observation of the film surface. This temperature procedure was found to be effective for orientation control and phase control in comparison with a fixed growth temperature procedure. As a result, superconducting properties were much improved. The surface morphology observed by AFM showed a mountain-range-shaped one, which strongly reflects the epitaxial relationship between the (119)Bi-2223 film and (110) SrTiO₃ substrate.

Original language	English
Pages (from-to)	175-180
Number of pages	6
Journal	Materials Research Society Symposium - Proceedings
Volume	689
Publication status	Published - 2002

Cite this

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abstract = "The preparation of non c-axis oriented HTS films with longer coherence length is one of key technologies toward realisation of viable Josephson devices. We reports on the successful growth of (119)Bi-2223 films by MOCVD using a two-step growth temperature procedure and on AFM observation of the film surface. This temperature procedure was found to be effective for orientation control and phase control in comparison with a fixed growth temperature procedure. As a result, superconducting properties were much improved. The surface morphology observed by AFM showed a mountain-range-shaped one, which strongly reflects the epitaxial relationship between the (119)Bi-2223 film and (110) SrTiO3 substrate.",

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T1 - Orientation control of HTS thin films

AU - Endo, K.

AU - Ishikawa, H.

AU - Yoshizawa, T.

AU - Abe, K.

AU - Itoh, J.

AU - Kajimura, K.

PY - 2002

Y1 - 2002

N2 - The preparation of non c-axis oriented HTS films with longer coherence length is one of key technologies toward realisation of viable Josephson devices. We reports on the successful growth of (119)Bi-2223 films by MOCVD using a two-step growth temperature procedure and on AFM observation of the film surface. This temperature procedure was found to be effective for orientation control and phase control in comparison with a fixed growth temperature procedure. As a result, superconducting properties were much improved. The surface morphology observed by AFM showed a mountain-range-shaped one, which strongly reflects the epitaxial relationship between the (119)Bi-2223 film and (110) SrTiO3 substrate.

AB - The preparation of non c-axis oriented HTS films with longer coherence length is one of key technologies toward realisation of viable Josephson devices. We reports on the successful growth of (119)Bi-2223 films by MOCVD using a two-step growth temperature procedure and on AFM observation of the film surface. This temperature procedure was found to be effective for orientation control and phase control in comparison with a fixed growth temperature procedure. As a result, superconducting properties were much improved. The surface morphology observed by AFM showed a mountain-range-shaped one, which strongly reflects the epitaxial relationship between the (119)Bi-2223 film and (110) SrTiO3 substrate.

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Orientation control of HTS thin films

Abstract

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