2004•Unpublished venueRequires access

Room temperature ferromagnetism in (Zn,Cr) Te

H. Saito, Vadym Zayets, S. Yamagata, Koji Ando

Abstract

In this paper, ferromagnetic diluted magnetic semiconductors (DMSs) have exchange interaction between sp-carriers and localized d-spins (sp-d exchange interaction). The sp-d exchange interaction can be detected directly only by the magneto-optical measurements such as a magnetic circular dichorism (MCD) spectroscopy. Recently, we confirmed the sp-d exchange interaction in a ferromagnetic Zn/sub 1-x/Cr/sub x/Te (x=0.20) film of which Curie temperature T/sub c/ was 300K.

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Key concepts: Ferromagnetism, Curie temperature, Exchange interaction, Magnetic semiconductor, Condensed matter physics, Spins, Materials science, Spectroscopy