Carrier-induced breakdown of ferromagnetism

W.J.M. de Jonge; T. Story; H. J. Swagten; P. J. Eggenkamp

doi:10.1209/0295-5075/17/7/010

Carrier-induced breakdown of ferromagnetism

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

Applied Physics

Research output: Contribution to journal › Letter › Academic › peer-review

25 Citations (Scopus)

Abstract

Magnetization, susceptibility and specific-heat data for PbSn(Mn)Te and Sn(Mn)Te will be reported for various carrier concentrations. For the first time a carrier-concentration–induced breakdown of a ferromagnetic state has been observed. Based on a simple geometrical argument, a phase diagram for this new transition in RKKY-driven systems will be derived and will be compared with the ferromagnetic–to–spin-glass transition predicted by the well-known Sherrington-Kirkpatrick model.

Original language	English
Pages (from-to)	631-636
Number of pages	6
Journal	Europhysics Letters
Volume	17
Issue number	7
DOIs	https://doi.org/10.1209/0295-5075/17/7/010
Publication status	Published - 1 Jan 1992

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N2 - Magnetization, susceptibility and specific-heat data for PbSn(Mn)Te and Sn(Mn)Te will be reported for various carrier concentrations. For the first time a carrier-concentration–induced breakdown of a ferromagnetic state has been observed. Based on a simple geometrical argument, a phase diagram for this new transition in RKKY-driven systems will be derived and will be compared with the ferromagnetic–to–spin-glass transition predicted by the well-known Sherrington-Kirkpatrick model.

AB - Magnetization, susceptibility and specific-heat data for PbSn(Mn)Te and Sn(Mn)Te will be reported for various carrier concentrations. For the first time a carrier-concentration–induced breakdown of a ferromagnetic state has been observed. Based on a simple geometrical argument, a phase diagram for this new transition in RKKY-driven systems will be derived and will be compared with the ferromagnetic–to–spin-glass transition predicted by the well-known Sherrington-Kirkpatrick model.

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