Transmission electron microscopic studies on the growth mechanism of YBa2Cu3O7-y and Nd1+xBa2-xCu3O7-y films formed by metalorganic deposition method using trifluoroacetates

J. Shibata; T. Honjo; H. Fuji; R. Teranishi; T. Izumi; Y. Shiohara; T. Yamamoto; Yuichi Ikuhara

doi:10.1016/S0921-4534(02)01581-2

Transmission electron microscopic studies on the growth mechanism of YBa₂Cu₃O_7-y and Nd_1+xBa_2-xCu₃O_7-y films formed by metalorganic deposition method using trifluoroacetates

J. Shibata, T. Honjo, H. Fuji, R. Teranishi, T. Izumi, Y. Shiohara, T. Yamamoto, Yuichi Ikuhara

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

YBa₂Cu₃O_7-y (Y123) and Nd_1+xBa_2-xCu₃O_7-y (Nd123) films were deposited by metalorganic deposition (MOD) method, and investigated by transmission electron microscopy and energy dispersive X-ray spectroscopy in order to elucidate the growth mechanism of the films in the MOD process. Y123 and Nd123 films were prepared by cooling rapidly during the final heat-treatment. In the case of the Y123 quenched film, it was found that a polycrystalline film is formed over a c-axis oriented Y123 film, and that there are Y₂Cu₂O₅, BaF₂ and CuO particles in the polycrystalline film. In contrast, in the Nd123 quenched film, (Nd,Ba)₂CuO₄ phase was found to be generated on the surface of the substrate. In conclusion, we suggest that the Nd123 film is formed by a reaction of (Nd,Ba)₂CuO₄, BaF₂ and CuO, although the Y123 film is grown by diffusion and reaction of Y₂Cu₂O₅, BaF₂ and CuO crystals.

Original language	English
Pages (from-to)	1039-1044
Number of pages	6
Journal	Physica C: Superconductivity and its applications
Volume	378-381
Issue number	PART 2
DOIs	https://doi.org/10.1016/S0921-4534(02)01581-2
Publication status	Published - 2002 Oct 1

Keywords

Metalorganic deposition
NdBaCuO
Transmission electron microscopy
Trifluoroacetate
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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Shibata, J., Honjo, T., Fuji, H., Teranishi, R., Izumi, T., Shiohara, Y., Yamamoto, T., & Ikuhara, Y. (2002). Transmission electron microscopic studies on the growth mechanism of YBa₂Cu₃O_7-y and Nd_1+xBa_2-xCu₃O_7-y films formed by metalorganic deposition method using trifluoroacetates. Physica C: Superconductivity and its applications, 378-381(PART 2), 1039-1044. https://doi.org/10.1016/S0921-4534(02)01581-2

Transmission electron microscopic studies on the growth mechanism of YBa₂Cu₃O_7-y and Nd_1+xBa_2-xCu₃O_7-y films formed by metalorganic deposition method using trifluoroacetates. / Shibata, J.; Honjo, T.; Fuji, H.; Teranishi, R.; Izumi, T.; Shiohara, Y.; Yamamoto, T.; Ikuhara, Yuichi.

In: Physica C: Superconductivity and its applications, Vol. 378-381, No. PART 2, 01.10.2002, p. 1039-1044.

Research output: Contribution to journal › Article

Shibata, J, Honjo, T, Fuji, H, Teranishi, R, Izumi, T, Shiohara, Y, Yamamoto, T & Ikuhara, Y 2002, 'Transmission electron microscopic studies on the growth mechanism of YBa₂Cu₃O_7-y and Nd_1+xBa_2-xCu₃O_7-y films formed by metalorganic deposition method using trifluoroacetates', Physica C: Superconductivity and its applications, vol. 378-381, no. PART 2, pp. 1039-1044. https://doi.org/10.1016/S0921-4534(02)01581-2

Shibata J, Honjo T, Fuji H, Teranishi R, Izumi T, Shiohara Y et al. Transmission electron microscopic studies on the growth mechanism of YBa₂Cu₃O_7-y and Nd_1+xBa_2-xCu₃O_7-y films formed by metalorganic deposition method using trifluoroacetates. Physica C: Superconductivity and its applications. 2002 Oct 1;378-381(PART 2):1039-1044. https://doi.org/10.1016/S0921-4534(02)01581-2

Shibata, J. ; Honjo, T. ; Fuji, H. ; Teranishi, R. ; Izumi, T. ; Shiohara, Y. ; Yamamoto, T. ; Ikuhara, Yuichi. / Transmission electron microscopic studies on the growth mechanism of YBa₂Cu₃O_7-y and Nd_1+xBa_2-xCu₃O_7-y films formed by metalorganic deposition method using trifluoroacetates. In: Physica C: Superconductivity and its applications. 2002 ; Vol. 378-381, No. PART 2. pp. 1039-1044.

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abstract = "YBa2Cu3O7-y (Y123) and Nd1+xBa2-xCu3O7-y (Nd123) films were deposited by metalorganic deposition (MOD) method, and investigated by transmission electron microscopy and energy dispersive X-ray spectroscopy in order to elucidate the growth mechanism of the films in the MOD process. Y123 and Nd123 films were prepared by cooling rapidly during the final heat-treatment. In the case of the Y123 quenched film, it was found that a polycrystalline film is formed over a c-axis oriented Y123 film, and that there are Y2Cu2O5, BaF2 and CuO particles in the polycrystalline film. In contrast, in the Nd123 quenched film, (Nd,Ba)2CuO4 phase was found to be generated on the surface of the substrate. In conclusion, we suggest that the Nd123 film is formed by a reaction of (Nd,Ba)2CuO4, BaF2 and CuO, although the Y123 film is grown by diffusion and reaction of Y2Cu2O5, BaF2 and CuO crystals.",

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