A magnetic field tuned metal-insulator transition in unconventional metallic K-doped MoO2

Author(s)

Alves, L. M. S. ^[1] ; de Lima, B. S. ^[1] ; dos Santos, C. A. M. ^{[1, 2]} ; da Luz, M. S. ^[1] ; Neumeier, J. J. ^[3] ; Yu, Yi-Kuo ^[4]

Affiliation

^[1] Univ Sao Paulo, Escola Engn Lorena, BR-12602810 Lorena, SP - Brazil

^[2] Univ Fed Triangulo Mineiro, Inst Ciencias Tecnol & Exatas, BR-38064200 Uberaba, MG - Brazil

^[3] Montana State Univ, Dept Phys, Bozeman, MT 59717 - USA

^[4] NIH, Natl Ctr Biotechnol Informat, Bethesda, MD 20894 - USA

• Document type: Journal article
• Source: PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS; v. 252, n. 4, p. 839-842, APR 2015.
• Web of Science Citations: 0

Abstract

This paper reports magnetoresistance measurements in polycrystalline samples of K0.05MoO2-(delta) which demonstrate the occurrence of metal-insulator transition driven by magnetic field. The results are consistent with the Bose metal scenario and the two parameter scaling analysis proposed by Das and Doniach was applied. The results suggest a possible explanation for the unconventional metallic behavior observed in the K0.05MoO2-(delta) compound. (C) 2015 WILEY-VCH Verlag GmbH \& Co. KGaA, Weinheim (AU)

• FAPESP's process: 10/06637-2 - Crystalline structure and physical properties of the anomalous conductor KxMoO2-d
• Grantee: Leandro Marcos Salgado Alves
• Support Opportunities: Scholarships in Brazil - Doctorate
• FAPESP's process: 09/54001-2 - Acquisition of cryogen-free equipment for the characterization of magnetic properties by vibrating sample magnetometry
• Grantee: Carlos Alberto Moreira dos Santos
• Support Opportunities: Multi-user Equipment Program