Structural and superconducting properties of iodine-intercalated Bi2Sr2Ca1-xYxCu2Oz

Y. Muraoka; M. Kikuchi; N. Ohnishi; K. Hiraga; R. Suzuki; N. Kobayashi; Y. Syono

doi:10.1016/0921-4534(92)90573-U

Structural and superconducting properties of iodine-intercalated Bi₂Sr₂Ca_1-xY_xCu₂O_z

Y. Muraoka, M. Kikuchi, N. Ohnishi, K. Hiraga, R. Suzuki, N. Kobayashi, Y. Syono

Research output: Contribution to journal › Article

16 Citations (Scopus)

Abstract

The structual and superconducting properties of Bi₂Sr₂Ca_1-xY_xCu₂O_z intercalated with iodine between the Bi-O bila yers were studied. Formation of the stage-1 compound was verified by X-ray analysis, TG analysis and TEM observation. Expansion of the c-axis, which is caused by increase in the distance of the BiO-BiO layers, decreases with decreasing intercalated iodine concentration down to 60%. The expansion of the c-axis of fully intercalated compounds increases with increasing Y content from 7.2 Å for x=0 to 7.5 Å for x=1.0. The temperature dependence of resistivity showed that iodine-doped samples (x=0 and 0.4) were more semiconductive than non-doped samples. The T_c of the IBi₂Sr₂Ca_1-xY_xCu₂O_z series in the over-doped region was reduced by 2-10 K compared with non-intercalated samples.

Original language	English
Pages (from-to)	65-70
Number of pages	6
Journal	Physica C: Superconductivity and its applications
Volume	204
Issue number	1-2
DOIs	https://doi.org/10.1016/0921-4534(92)90573-U
Publication status	Published - Dec 20 1992
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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Muraoka, Y., Kikuchi, M., Ohnishi, N., Hiraga, K., Suzuki, R., Kobayashi, N., & Syono, Y. (1992). Structural and superconducting properties of iodine-intercalated Bi₂Sr₂Ca_1-xY_xCu₂O_z. Physica C: Superconductivity and its applications, 204(1-2), 65-70. https://doi.org/10.1016/0921-4534(92)90573-U

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title = "Structural and superconducting properties of iodine-intercalated Bi2Sr2Ca1-xYxCu2Oz",

abstract = "The structual and superconducting properties of Bi2Sr2Ca1-xYxCu2Oz intercalated with iodine between the Bi-O bila yers were studied. Formation of the stage-1 compound was verified by X-ray analysis, TG analysis and TEM observation. Expansion of the c-axis, which is caused by increase in the distance of the BiO-BiO layers, decreases with decreasing intercalated iodine concentration down to 60%. The expansion of the c-axis of fully intercalated compounds increases with increasing Y content from 7.2 {\AA} for x=0 to 7.5 {\AA} for x=1.0. The temperature dependence of resistivity showed that iodine-doped samples (x=0 and 0.4) were more semiconductive than non-doped samples. The Tc of the IBi2Sr2Ca1-xYxCu2Oz series in the over-doped region was reduced by 2-10 K compared with non-intercalated samples.",

author = "Y. Muraoka and M. Kikuchi and N. Ohnishi and K. Hiraga and R. Suzuki and N. Kobayashi and Y. Syono",

year = "1992",

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T1 - Structural and superconducting properties of iodine-intercalated Bi2Sr2Ca1-xYxCu2Oz

AU - Muraoka, Y.

AU - Kikuchi, M.

AU - Ohnishi, N.

AU - Hiraga, K.

AU - Suzuki, R.

AU - Kobayashi, N.

AU - Syono, Y.

PY - 1992/12/20

Y1 - 1992/12/20

N2 - The structual and superconducting properties of Bi2Sr2Ca1-xYxCu2Oz intercalated with iodine between the Bi-O bila yers were studied. Formation of the stage-1 compound was verified by X-ray analysis, TG analysis and TEM observation. Expansion of the c-axis, which is caused by increase in the distance of the BiO-BiO layers, decreases with decreasing intercalated iodine concentration down to 60%. The expansion of the c-axis of fully intercalated compounds increases with increasing Y content from 7.2 Å for x=0 to 7.5 Å for x=1.0. The temperature dependence of resistivity showed that iodine-doped samples (x=0 and 0.4) were more semiconductive than non-doped samples. The Tc of the IBi2Sr2Ca1-xYxCu2Oz series in the over-doped region was reduced by 2-10 K compared with non-intercalated samples.

AB - The structual and superconducting properties of Bi2Sr2Ca1-xYxCu2Oz intercalated with iodine between the Bi-O bila yers were studied. Formation of the stage-1 compound was verified by X-ray analysis, TG analysis and TEM observation. Expansion of the c-axis, which is caused by increase in the distance of the BiO-BiO layers, decreases with decreasing intercalated iodine concentration down to 60%. The expansion of the c-axis of fully intercalated compounds increases with increasing Y content from 7.2 Å for x=0 to 7.5 Å for x=1.0. The temperature dependence of resistivity showed that iodine-doped samples (x=0 and 0.4) were more semiconductive than non-doped samples. The Tc of the IBi2Sr2Ca1-xYxCu2Oz series in the over-doped region was reduced by 2-10 K compared with non-intercalated samples.

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