Spin glass behavior of zinc manganese selenide (Zn1-xMnxSe) and zinc manganese telluride (Zn1-xMnxTe) semimagnetic semiconductors

A. Twardowski, C.J.M. Denissen, W.J.M. Jonge, de, A.T.A.M. Waele, de, M. Demianiuk, R. Triboulet

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Abstract

The magnetic susceptibility of Zn1-xMnxSe (0.02 = × = 0.53) and Zn1-xMnxTe (0.07 = × = 0.21) was investigated in the temperature range 10 mK <T <40 K. A paramagnetic spinglass transition was observed in the whole concentration range. The concentration dependence of the freezing temperature Tf was found to be compatible with a radial dependence of the exchange interaction between manganese ions of the type J(R) ¿ R-6.8. It appears from the available data that this radial dependence is rather universal for all II–VI wide gap semimagnetic semiconductors. A comparison is also made with other semimagnetic semiconductors and the physical exchange mechanism is discussed.
Original languageEnglish
Pages (from-to)199-203
JournalSolid State Communications
Volume59
Issue number4
DOIs
Publication statusPublished - 1986

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