Correlation between superconductivity, electronic state and crystal structure in La2-y-xBiyBaxCuO4

S. Takeuchi; C. Imazawa; S. Katano; M. Kato; Y. Ono; T. Kajitani; Y. Koike

doi:10.1016/0921-4534(95)00791-1

Correlation between superconductivity, electronic state and crystal structure in La_2-y-xBi_yBa_xCuO₄

S. Takeuchi, C. Imazawa, S. Katano, M. Kato, Y. Ono, T. Kajitani, Y. Koike

ENG - Applied Physics

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

5 Citations (Scopus)

Abstract

The effects of substitution of Bi for La have been investigated in La_2-y-xBi_yBa_xCuO₄ (x=1/8), to clarify the correlation between the superconductivity, electronic anomaly and crystal structure at x = 1/8 in La_2-xBa_xCuO₄. With increasing y, both the rhombic distortion of the CuO₄ basal plane and the anomaly in the thermoelectric power at low temperatures become small, while T_c increases. It is concluded that the suppression of superconductivity at x = 1/8 in La_2-xBa_xCuO₄ is due to the electronic anomaly in cooperation with the rhombic distortion of the CuO₄ basal plane at low temperatures, as in the case of La_1.6-xNd_0.4Sr_xCuO₄.

Original language	English
Pages (from-to)	298-301
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	263
Issue number	1-4
DOIs	https://doi.org/10.1016/0921-4534(95)00791-1
Publication status	Published - 1996 May

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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title = "Correlation between superconductivity, electronic state and crystal structure in La2-y-xBiyBaxCuO4",

abstract = "The effects of substitution of Bi for La have been investigated in La2-y-xBiyBaxCuO4 (x=1/8), to clarify the correlation between the superconductivity, electronic anomaly and crystal structure at x = 1/8 in La2-xBaxCuO4. With increasing y, both the rhombic distortion of the CuO4 basal plane and the anomaly in the thermoelectric power at low temperatures become small, while Tc increases. It is concluded that the suppression of superconductivity at x = 1/8 in La2-xBaxCuO4 is due to the electronic anomaly in cooperation with the rhombic distortion of the CuO4 basal plane at low temperatures, as in the case of La1.6-xNd0.4SrxCuO4.",

author = "S. Takeuchi and C. Imazawa and S. Katano and M. Kato and Y. Ono and T. Kajitani and Y. Koike",

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T1 - Correlation between superconductivity, electronic state and crystal structure in La2-y-xBiyBaxCuO4

AU - Takeuchi, S.

AU - Imazawa, C.

AU - Katano, S.

AU - Kato, M.

AU - Ono, Y.

AU - Kajitani, T.

AU - Koike, Y.

PY - 1996/5

Y1 - 1996/5

N2 - The effects of substitution of Bi for La have been investigated in La2-y-xBiyBaxCuO4 (x=1/8), to clarify the correlation between the superconductivity, electronic anomaly and crystal structure at x = 1/8 in La2-xBaxCuO4. With increasing y, both the rhombic distortion of the CuO4 basal plane and the anomaly in the thermoelectric power at low temperatures become small, while Tc increases. It is concluded that the suppression of superconductivity at x = 1/8 in La2-xBaxCuO4 is due to the electronic anomaly in cooperation with the rhombic distortion of the CuO4 basal plane at low temperatures, as in the case of La1.6-xNd0.4SrxCuO4.

AB - The effects of substitution of Bi for La have been investigated in La2-y-xBiyBaxCuO4 (x=1/8), to clarify the correlation between the superconductivity, electronic anomaly and crystal structure at x = 1/8 in La2-xBaxCuO4. With increasing y, both the rhombic distortion of the CuO4 basal plane and the anomaly in the thermoelectric power at low temperatures become small, while Tc increases. It is concluded that the suppression of superconductivity at x = 1/8 in La2-xBaxCuO4 is due to the electronic anomaly in cooperation with the rhombic distortion of the CuO4 basal plane at low temperatures, as in the case of La1.6-xNd0.4SrxCuO4.

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