Simultaneous Ferromagnetic Metal-Semiconductor Transition in Electron-Doped EuO

Michael Arnold and Johann Kroha
Phys. Rev. Lett. 100, 046404 – Published 30 January 2008

Abstract

We present a general framework to describe the simultaneous para-to-ferromagnetic and semiconductor-to-metal transition in electron-doped EuO. The theory correctly describes detailed experimental features of the conductivity and of the magnetization, in particular, the doping dependence of the Curie temperature. The existence of correlation-induced local moments on the impurity sites is essential for this description.

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  • Received 3 August 2007

DOI:https://doi.org/10.1103/PhysRevLett.100.046404

©2008 American Physical Society

Authors & Affiliations

Michael Arnold and Johann Kroha

  • Physikalisches Institut, Universität Bonn, Nussallee 12, 53115 Bonn, Germany

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Issue

Vol. 100, Iss. 4 — 1 February 2008

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