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New Pyrochlore Oxide Superconductor RbOs2O6

S. Yonezawa·Y. Muraoka·Y. Matsushita·Z. Hiroi
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Abstract

We report the discovery of a new pyrochlore oxide superconductor RbOs2O6. The compound crystallizes in the same beta-pyrochlore structure as the recently discovered superconductor KOs2O6, 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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S. Yonezawa, Y. Muraoka, Y. Matsushita, Z. Hiroi. 2004-04-07. New Pyrochlore Oxide Superconductor RbOs2O6. https://doi.org/10.1143/jpsj.73.819

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