High pressure study on the superconducting transition temperature and Hall coefficient of Ba1-xKxBiO3 up to 8 GPa

H. Takahashi, N. Môri, Y. Nagata, S. Nakamura, T. Uchida, Jun Akimitsu, Y. Tokura

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Abstract

The superconducting transition temperature (Tc) of Ba0.62K0.38Bio3 (Tc=30 K) has been measured under high pressure up to 8 GPa. It is observed that Tc increases initially with pressure, as reported by Uwe et al., Shirber et al. and Huang et al., but decreases above 4 GPa. The Hall coefficient of Ba0.62K0.38BiO3 has been measured up to 1.2 GPa. The absolute value of the Hall coefficient decreases with pressure by 10% GPa, the value of which is almost the same as that obtained in most CuO-based high-temperature superconductors.

Original languageEnglish
Pages (from-to)485-488
Number of pages4
JournalPhysica C: Superconductivity and its Applications
Volume210
Issue number3-4
DOIs
Publication statusPublished - Jun 1 1993
Externally publishedYes

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Superconducting transition temperature
Hall effect
transition temperature
coefficients
high temperature superconductors
High temperature superconductors

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

High pressure study on the superconducting transition temperature and Hall coefficient of Ba1-xKxBiO3 up to 8 GPa. / Takahashi, H.; Môri, N.; Nagata, Y.; Nakamura, S.; Uchida, T.; Akimitsu, Jun; Tokura, Y.

In: Physica C: Superconductivity and its Applications, Vol. 210, No. 3-4, 01.06.1993, p. 485-488.

Research output: Contribution to journalArticle

Takahashi, H. ; Môri, N. ; Nagata, Y. ; Nakamura, S. ; Uchida, T. ; Akimitsu, Jun ; Tokura, Y. / High pressure study on the superconducting transition temperature and Hall coefficient of Ba1-xKxBiO3 up to 8 GPa. In: Physica C: Superconductivity and its Applications. 1993 ; Vol. 210, No. 3-4. pp. 485-488.
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