Zener Model Description of Ferromagnetism in Zinc-Blende Magnetic Semiconductors
T. DietlInstitute of Physics and College of Science, Polish Academy of Sciences, al. Lotników 32/46, PL-02668 Warsaw, PolandHideo OhnoResearch Institute of Electrical Communication, Tohoku University, Katahira 2-1-1, Sendai 980-8577, JapanF. MatsukuraResearch Institute of Electrical Communication, Tohoku University, Katahira 2-1-1, Sendai 980-8577, JapanJ. CibértLaboratoire de Spectrométrie Physique, Université Joseph Fourier Grenoble 1-CNRS (UMR 5588), F-38402 Saint Martin d'Hères Cedex, FranceD. FerrandLaboratoire de Spectrométrie Physique, Université Joseph Fourier Grenoble 1-CNRS (UMR 5588), F-38402 Saint Martin d'Hères Cedex, France
2000en
ABI
Аннотация
Ferromagnetism in manganese compound semiconductors not only opens prospects for tailoring magnetic and spin-related phenomena in semiconductors with a precision specific to III-V compounds but also addresses a question about the origin of the magnetic interactions that lead to a Curie temperature (T(C)) as high as 110 K for a manganese concentration of just 5%. Zener's model of ferromagnetism, originally proposed for transition metals in 1950, can explain T(C) of Ga(1-)(x)Mn(x)As and that of its II-VI counterpart Zn(1-)(x)Mn(x)Te and is used to predict materials with T(C) exceeding room temperature, an important step toward semiconductor electronics that use both charge and spin.
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