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

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

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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 - Oct 15 2009

All Science Journal Classification (ASJC) codes

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.",

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

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AU - Takamura, M.

AU - Mukaida, Masashi

AU - Horii, S.

AU - Ichinose, A.

AU - Kita, R.

AU - Namba, M.

AU - Awaji, S.

AU - Watanabe, K.

AU - Matsumoto, K.

AU - Yoshida, Y.

AU - Teranishi, Ryo

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.

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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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