New pyrochlore oxide superconductor RbOs2O6

Shigeki Yonezawa; Yuji Muraoka; Yoshitaka Matsushita; Zenji Hiroi

doi:10.1143/JPSJ.73.819

New pyrochlore oxide superconductor RbOs₂O₆

Shigeki Yonezawa, Yuji Muraoka, Yoshitaka Matsushita, Zenji Hiroi

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

144 Citations (Scopus)

Abstract

We report the discovery of a new pyrochlore oxide superconductor RbOs ₂O₆. The compound crystallizes in the same β-pyrochlore structure as the recently discovered superconductor KOs ₂O₆, where Os atoms form a corner-sharing tetrahedral network called the pyrochlore lattice with Rb or K atoms in the cage. Resistivity, magnetic susceptibility and specific heat measurements on polycrystalline samples evidence a bulk superconductivity with T_c = 6.3 K.

Original language	English
Pages (from-to)	819-821
Number of pages	3
Journal	journal of the physical society of japan
Volume	73
Issue number	4
DOIs	https://doi.org/10.1143/JPSJ.73.819
Publication status	Published - Apr 2004
Externally published	Yes

Keywords

Pyrochlore oxide
Superconductivity

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1143/JPSJ.73.819

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abstract = "We report the discovery of a new pyrochlore oxide superconductor RbOs 2O6. The compound crystallizes in the same β-pyrochlore structure as the recently discovered superconductor KOs 2O6, where Os atoms form a corner-sharing tetrahedral network called the pyrochlore lattice with Rb or K atoms in the cage. Resistivity, magnetic susceptibility and specific heat measurements on polycrystalline samples evidence a bulk superconductivity with Tc = 6.3 K.",

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AU - Yonezawa, Shigeki

AU - Muraoka, Yuji

AU - Matsushita, Yoshitaka

AU - Hiroi, Zenji

PY - 2004/4

Y1 - 2004/4

N2 - We report the discovery of a new pyrochlore oxide superconductor RbOs 2O6. The compound crystallizes in the same β-pyrochlore structure as the recently discovered superconductor KOs 2O6, where Os atoms form a corner-sharing tetrahedral network called the pyrochlore lattice with Rb or K atoms in the cage. Resistivity, magnetic susceptibility and specific heat measurements on polycrystalline samples evidence a bulk superconductivity with Tc = 6.3 K.

AB - We report the discovery of a new pyrochlore oxide superconductor RbOs 2O6. The compound crystallizes in the same β-pyrochlore structure as the recently discovered superconductor KOs 2O6, where Os atoms form a corner-sharing tetrahedral network called the pyrochlore lattice with Rb or K atoms in the cage. Resistivity, magnetic susceptibility and specific heat measurements on polycrystalline samples evidence a bulk superconductivity with Tc = 6.3 K.

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KW - Superconductivity

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