Carrier-induced magnetic properties in small-gal semiconductors

P.J.T. Eggenkamp, T. Story, H.J.M. Swagten, C.W.H.M. Vennix, C.H.W. Swuste, W.J.M. de Jonge

Research output: Contribution to journalArticleAcademicpeer-review

13 Citations (Scopus)


In the small-gap semiconductor Pb1-x-ySnyMn xTe the magnetic phase transition from a ferromagnetic to a spin-glass state at high carrier concentrations is studied. The authors present new data on magnetization, AC susceptibility and specific heat for various carrier concentrations showing the transition. They also present frequency-dependent AC susceptibility measurements. For the spin-glass sample there is a strong dependence on the measuring frequency, which follows the Vogel-Fulcher law. Furthermore, they calculate the phase boundary in the x-p magnetic phase diagram using the mean random field model. There is a satisfactory agreement between the experimental data and the calculations.

Original languageEnglish
Pages (from-to)S152-S155
Number of pages4
JournalSemiconductor Science and Technology
Publication statusPublished - 1 Dec 1993


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