Effects of the APC materials on c-axis correlated pinning effects in a-axis oriented Y123/2D APC multilayer films

M. Takamura; M. Mukaida; S. Horii; A. Ichinose; R. Kita; M. Namba; Satoshi Awaji; Kazuo Watanabe; K. Matsumoto; Y. Yoshida; R. Teranishi; K. Yamada; N. Mori

doi:10.1016/j.physc.2009.05.225

Effects of the APC materials on c-axis correlated pinning effects in a-axis oriented Y123/2D APC multilayer films

M. Takamura, M. Mukaida, S. Horii, A. Ichinose, R. Kita, M. Namba, Satoshi Awaji, Kazuo Watanabe, K. Matsumoto, Y. Yoshida, R. Teranishi, K. Yamada, N. Mori

High Field Laboratory for Superconducting Materials

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

3 Citations (Scopus)

Abstract

For a-axis oriented and c-axis in-plane aligned YBa₂Cu₃O_7-δ/artificial pinning center (Y123/APC) alternately-layered thin films, effects of the APC materials on the multilayer structures are discussed. Pr123, (Y_1-xPr_x)123 and Gd₂CuO₄(Gd214) were used as APCs. The multilayer structure was observed for Y123/Pr123 films and Y123/Gd214 films. However, some grains are also grown in the Y123/Gd214 film. For the Y123/Pr123 multilayer film, each Pr123 layer act as two-dimensional APCs (2D APCs) in the magnetic field angular dependences of the critical current density. The growth mechanism of the multilayer structure in the Y123/2D APC films is discussed by a transmission electron microscopy and an atomic force microscope. It is found that two conditions are needed to obtain the c-axis correlated pinning effects by 2D APC in the a-axis oriented and c-axis in-plane aligned Y123/APC multilayer films: the same structure as Y123; Y-free APC materials.

Original language	English
Pages (from-to)	1545-1549
Number of pages	5
Journal	Physica C: Superconductivity and its applications
Volume	469
Issue number	15-20
DOIs	https://doi.org/10.1016/j.physc.2009.05.225
Publication status	Published - 2009 Oct 15

Keywords

Multilayer films
PrBaCuO
Two-dimensional APCs
a-axis oriented YBaCuO

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/j.physc.2009.05.225

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Takamura, M., Mukaida, M., Horii, S., Ichinose, A., Kita, R., Namba, M., Awaji, S., Watanabe, K., Matsumoto, K., Yoshida, Y., Teranishi, R., Yamada, K., & Mori, N. (2009). Effects of the APC materials on c-axis correlated pinning effects in a-axis oriented Y123/2D APC multilayer films. Physica C: Superconductivity and its applications, 469(15-20), 1545-1549. https://doi.org/10.1016/j.physc.2009.05.225

Takamura, M, Mukaida, M, Horii, S, Ichinose, A, Kita, R, Namba, M, Awaji, S, Watanabe, K, Matsumoto, K, Yoshida, Y, Teranishi, R, Yamada, K & Mori, N 2009, 'Effects of the APC materials on c-axis correlated pinning effects in a-axis oriented Y123/2D APC multilayer films', Physica C: Superconductivity and its applications, vol. 469, no. 15-20, pp. 1545-1549. https://doi.org/10.1016/j.physc.2009.05.225

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title = "Effects of the APC materials on c-axis correlated pinning effects in a-axis oriented Y123/2D APC multilayer films",

abstract = "For a-axis oriented and c-axis in-plane aligned YBa2Cu3O7-δ/artificial pinning center (Y123/APC) alternately-layered thin films, effects of the APC materials on the multilayer structures are discussed. Pr123, (Y1-xPrx)123 and Gd2CuO4(Gd214) were used as APCs. The multilayer structure was observed for Y123/Pr123 films and Y123/Gd214 films. However, some grains are also grown in the Y123/Gd214 film. For the Y123/Pr123 multilayer film, each Pr123 layer act as two-dimensional APCs (2D APCs) in the magnetic field angular dependences of the critical current density. The growth mechanism of the multilayer structure in the Y123/2D APC films is discussed by a transmission electron microscopy and an atomic force microscope. It is found that two conditions are needed to obtain the c-axis correlated pinning effects by 2D APC in the a-axis oriented and c-axis in-plane aligned Y123/APC multilayer films: the same structure as Y123; Y-free APC materials.",

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author = "M. Takamura and M. Mukaida and S. Horii and A. Ichinose and R. Kita and M. Namba and Satoshi Awaji and Kazuo Watanabe and K. Matsumoto and Y. Yoshida and R. Teranishi and K. Yamada and N. Mori",

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T1 - Effects of the APC materials on c-axis correlated pinning effects in a-axis oriented Y123/2D APC multilayer films

AU - Takamura, M.

AU - Mukaida, M.

AU - Horii, S.

AU - Ichinose, A.

AU - Kita, R.

AU - Namba, M.

AU - Awaji, Satoshi

AU - Watanabe, Kazuo

AU - Matsumoto, K.

AU - Yoshida, Y.

AU - Teranishi, R.

AU - Yamada, K.

AU - Mori, N.

PY - 2009/10/15

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N2 - For a-axis oriented and c-axis in-plane aligned YBa2Cu3O7-δ/artificial pinning center (Y123/APC) alternately-layered thin films, effects of the APC materials on the multilayer structures are discussed. Pr123, (Y1-xPrx)123 and Gd2CuO4(Gd214) were used as APCs. The multilayer structure was observed for Y123/Pr123 films and Y123/Gd214 films. However, some grains are also grown in the Y123/Gd214 film. For the Y123/Pr123 multilayer film, each Pr123 layer act as two-dimensional APCs (2D APCs) in the magnetic field angular dependences of the critical current density. The growth mechanism of the multilayer structure in the Y123/2D APC films is discussed by a transmission electron microscopy and an atomic force microscope. It is found that two conditions are needed to obtain the c-axis correlated pinning effects by 2D APC in the a-axis oriented and c-axis in-plane aligned Y123/APC multilayer films: the same structure as Y123; Y-free APC materials.

AB - For a-axis oriented and c-axis in-plane aligned YBa2Cu3O7-δ/artificial pinning center (Y123/APC) alternately-layered thin films, effects of the APC materials on the multilayer structures are discussed. Pr123, (Y1-xPrx)123 and Gd2CuO4(Gd214) were used as APCs. The multilayer structure was observed for Y123/Pr123 films and Y123/Gd214 films. However, some grains are also grown in the Y123/Gd214 film. For the Y123/Pr123 multilayer film, each Pr123 layer act as two-dimensional APCs (2D APCs) in the magnetic field angular dependences of the critical current density. The growth mechanism of the multilayer structure in the Y123/2D APC films is discussed by a transmission electron microscopy and an atomic force microscope. It is found that two conditions are needed to obtain the c-axis correlated pinning effects by 2D APC in the a-axis oriented and c-axis in-plane aligned Y123/APC multilayer films: the same structure as Y123; Y-free APC materials.

KW - Multilayer films

KW - PrBaCuO

KW - Two-dimensional APCs

KW - a-axis oriented YBaCuO

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Effects of the APC materials on c-axis correlated pinning effects in a-axis oriented Y123/2D APC multilayer films

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