Insulator to correlated metal transition inV1−xMoxO2 | Zendy

K. L. Holman | Zendy; Tyrel M. McQueen | Zendy; A. J. Williams | Zendy; Tomasz Klimczuk | Zendy; Peter W. Stephens | Zendy; H.W. Zandbergen | Zendy; Qiang Xü | Zendy; F. Ronning | Zendy; R. J. Cava | Zendy

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Insulator to correlated metal transition inV1−xMoxO2

Author(s) -

K. L. Holman,

Tyrel M. McQueen,

A. J. Williams,

Tomasz Klimczuk,

Peter W. Stephens,

H.W. Zandbergen,

Qiang Xü,

F. Ronning,

R. J. Cava

Publication year - 2009

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.79.245114

Subject(s) - materials science , metal , condensed matter physics , phase diagram , magnetic susceptibility , pairing , crystal structure , metal–insulator transition , antiferromagnetism , electrical resistivity and conductivity , doping , crystallography , physics , phase (matter) , superconductivity , chemistry , quantum mechanics , metallurgy

Although many materials display the transition from insulating to metallic behavior on doping, only a few, such as VO2, have the right combination of crystal structure and physical properties to serve as model systems. Here we report the electronic and structural characteristics of the insulator to metal transition in V1?xMoxO2, which we have studied over the range 0.0?x?0.50 through characterization of the electrical resistivity, magnetic susceptibility, specific heat, and average- and short-range crystal structures. We find that metal-metal pairing exists in small domains in the doped metallic phases and an unexpected phenomenology for the crossover between a Curie-Weiss insulating regime and an intermediate mass metallic regime. An electronic phase diagram is presented

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