The singlet model of the anisotropic magnetization of the III-VI diluted magnetic semiconductor, In 1 − x Mn x S

Results for the anisotropic magnetization of the III-VI diluted magnetic semiconductor (DMS), In 1 − x Mn x S , are presented. The compound has a markedly different crystal structure from previously investigated III-VI crystals. The Hamiltonian includes crystal potential, Zeeman, spin-orbit, and spi...

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Bibliographic Details
Published in:Journal of applied physics 2005-05, Vol.97 (10), p.10D308-10D308-3
Main Authors: Franzese, G., Byrd, Ashlee, Tracy, J. L., Garner, J., Pekarek, T. M., Miotkowski, I., Ramdas, A. K.
Format: Article
Language:English
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Summary:Results for the anisotropic magnetization of the III-VI diluted magnetic semiconductor (DMS), In 1 − x Mn x S , are presented. The compound has a markedly different crystal structure from previously investigated III-VI crystals. The Hamiltonian includes crystal potential, Zeeman, spin-orbit, and spin-spin terms. The singlet model used assumes that the substitutional Mn are noninteracting which is appropriate when x is small (here 2%). Magnetization versus temperature results are found for several magnetic fields B . The experimental magnetization is compared to our singlet model results with excellent agreement except at low temperatures ( ⩽ 20 K ) where some evidence of possible spin-glass behavior is evident.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1847451