Disorder recovers the Wiedemann-Franz law in the metallic phase of VO2

At temperatures higher than 341 K, vanadium dioxide (VO2) is a strongly correlated metal with resistivity exceeding the Mott-Ioffe-Regel limit. Its electronic thermal conductivity is lower than that predicted by the Wiedemann-Franz (WF) law, and can be explained by nonquasiparticle transport where h...

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Veröffentlicht in:	Physical review. B 2020-07, Vol.102 (4), p.1
Hauptverfasser:	Jin, Lei, Zeltmann, Steven E, Choe, Hwan Sung, Liu, Huili, Allen, Frances I, Minor, Andrew M, Wu, Junqiao
Format:	Artikel
Sprache:	eng
Schlagworte:	Carrier dynamics Charge transport CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Current carriers defects Elastic scattering Ion irradiation irradiation Lorenz number nanowires resistivity measurements specific heat measurements strongly correlated systems Thermal conductivity transition-metal oxides Vanadium dioxide Vanadium oxides
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