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

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)497-499
Number of pages3
JournalPhysica C: Superconductivity and its Applications
Issue numberI
Publication statusPublished - 2005 Oct 1
EventProceedings of the 17th International Symposium on Superconductivity (ISS 2004) Advances in Supeconductivity -
Duration: 2004 Nov 232004 Nov 25


  • BaKBiO
  • Electrical resistivity
  • Electrochemical synthesis
  • High pressure


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