Electrical resistivity of the perovskite Ba1-xK xBiO3 (x ≤ 0.15) under high pressure

Yoshinori Imai; Masatsune Kato; Takashi Noji; Yoji Koike; Masato Hedo; Yoshiya Uwatoko; Nobuo Mori

doi:10.1016/j.physc.2005.01.038

Electrical resistivity of the perovskite Ba_1-xK _xBiO₃ (x ≤ 0.15) under high pressure

Yoshinori Imai, Masatsune Kato, Takashi Noji, Yoji Koike, Masato Hedo, Yoshiya Uwatoko, Nobuo Mori

Research output: Contribution to journal › Conference article › peer-review

2 Citations (Scopus)

Abstract

Electrical resistivity measurements of the insulating Ba _1-xK_xBiO₃ (x = 0, 0.15) under high pressure up to 8 GPa have been performed in order to search for the pressure-induced superconductivity, using a cubic-anvil pressure system. A polycrystal of BaBiO₃ has been prepared by the solid-state reaction method. A single crystal of Ba_0.85K_0.15BiO₃ has been synthesized by the electrochemical method from molten salts. The electrical resistivity of both compounds slightly decreases with increasing pressure. However, the temperature dependence still remains semiconductive and no superconductivity is observed.

Original language	English
Pages (from-to)	497-499
Number of pages	3
Journal	Physica C: Superconductivity and its applications
Volume	426-431
Issue number	I
DOIs	https://doi.org/10.1016/j.physc.2005.01.038
Publication status	Published - 2005 Oct 1
Event	Proceedings of the 17th International Symposium on Superconductivity (ISS 2004) Advances in Supeconductivity - Duration: 2004 Nov 23 → 2004 Nov 25

Keywords

BaKBiO
Electrical resistivity
Electrochemical synthesis
High pressure

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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Electrical resistivity of the perovskite Ba_1-xK _xBiO₃ (x ≤ 0.15) under high pressure. / Imai, Yoshinori ; Kato, Masatsune ; Noji, Takashi; Koike, Yoji; Hedo, Masato; Uwatoko, Yoshiya; Mori, Nobuo.

In: Physica C: Superconductivity and its applications, Vol. 426-431, No. I, 01.10.2005, p. 497-499.

Research output: Contribution to journal › Conference article › peer-review

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abstract = "Electrical resistivity measurements of the insulating Ba 1-xKxBiO3 (x = 0, 0.15) under high pressure up to 8 GPa have been performed in order to search for the pressure-induced superconductivity, using a cubic-anvil pressure system. A polycrystal of BaBiO3 has been prepared by the solid-state reaction method. A single crystal of Ba0.85K0.15BiO3 has been synthesized by the electrochemical method from molten salts. The electrical resistivity of both compounds slightly decreases with increasing pressure. However, the temperature dependence still remains semiconductive and no superconductivity is observed.",

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AU - Imai, Yoshinori

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AU - Noji, Takashi

AU - Koike, Yoji

AU - Hedo, Masato

AU - Uwatoko, Yoshiya

AU - Mori, Nobuo

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AB - Electrical resistivity measurements of the insulating Ba 1-xKxBiO3 (x = 0, 0.15) under high pressure up to 8 GPa have been performed in order to search for the pressure-induced superconductivity, using a cubic-anvil pressure system. A polycrystal of BaBiO3 has been prepared by the solid-state reaction method. A single crystal of Ba0.85K0.15BiO3 has been synthesized by the electrochemical method from molten salts. The electrical resistivity of both compounds slightly decreases with increasing pressure. However, the temperature dependence still remains semiconductive and no superconductivity is observed.

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