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Unconventional metallic behavior and superconductivity in the K-Mo-O system

et al.

Published Web Location

https://doi.org/10.1103/physrevb.81.174532
Creative Commons 'BY' version 4.0 license
Abstract

Transport properties and magnetization measurements of the Kx MoO2-δ (0≤x≤0.25) compound are reported. The compound crystallizes in the oxygen deficient MoO2 monoclinic structure with potassium atoms occupying interstitial positions. An unconventional metallic behavior with power-law temperature dependence is related to a magnetic ordering. Superconducting transition with small volume fraction is also observed near 7 K for a sample with low potassium composition. © 2010 The American Physical Society.

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