Ferromagnetism induced by free carriers in p-type structures of diluted magnetic semiconductors

T. Dietl; J. Cibert; P. Kossacki; D. Ferrand; S. Tatarenko; A. Wasiela; Y. Merle D'Aubigné; F. Matsukura; N. Akiba; H. Ohno

doi:10.1016/S1386-9477(00)00098-9

Ferromagnetism induced by free carriers in p-type structures of diluted magnetic semiconductors

T. Dietl, J. Cibert, P. Kossacki, D. Ferrand, S. Tatarenko, A. Wasiela, Y. Merle D'Aubigné, F. Matsukura, N. Akiba, H. Ohno

Research output: Contribution to journal › Conference article

17 Citations (Scopus)

Abstract

An overview is given of studies aiming at elucidation of the dominant effects that control the character of magnetic ordering and the magnitude of carrier-mediated ferromagnetic interactions in various dimensionality structures of diluted magnetic semiconductors. The modulation-doped p-type quantum wells of Cd_1-xMn_xTe/Cd_1-y-z-Mg_yZn_zTe:N as well as epilayers of Zn_1-xMn_xTe:N and of Ga_1-xMn_xAs grown at low temperatures are discussed as examples of systems, in which ferromagnetic correlation induced by free carriers is observed. The effect of kp and spin-orbit couplings, notably in heavily doped, strained or reduced-dimensionality systems, is addressed. It is pointed out that disorder and carrier-carrier interactions have a strong influence on the spin-spin interaction, particularly in the vicinity of the metal-to-insulator transition. Outstanding properties of low-dimensional spin systems, resulting from their tendency towards the formation of spin-density waves, are described in the context of the observed peculiar domain structure.

Original language	English
Pages (from-to)	967-975
Number of pages	9
Journal	Physica E: Low-Dimensional Systems and Nanostructures
Volume	7
Issue number	3
DOIs	https://doi.org/10.1016/S1386-9477(00)00098-9
Publication status	Published - 2000 May
Event	MSS9: The 9th International Conference on Modulated Semiconductor Structures - Fukuoka, Jpn Duration: 1999 Jul 12 → 1999 Jul 16

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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Ferromagnetism induced by free carriers in p-type structures of diluted magnetic semiconductors. / Dietl, T.; Cibert, J.; Kossacki, P.; Ferrand, D.; Tatarenko, S.; Wasiela, A.; Merle D'Aubigné, Y.; Matsukura, F.; Akiba, N.; Ohno, H.

In: Physica E: Low-Dimensional Systems and Nanostructures, Vol. 7, No. 3, 05.2000, p. 967-975.

Research output: Contribution to journal › Conference article

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abstract = "An overview is given of studies aiming at elucidation of the dominant effects that control the character of magnetic ordering and the magnitude of carrier-mediated ferromagnetic interactions in various dimensionality structures of diluted magnetic semiconductors. The modulation-doped p-type quantum wells of Cd1-xMnxTe/Cd1-y-z-MgyZnzTe:N as well as epilayers of Zn1-xMnxTe:N and of Ga1-xMnxAs grown at low temperatures are discussed as examples of systems, in which ferromagnetic correlation induced by free carriers is observed. The effect of kp and spin-orbit couplings, notably in heavily doped, strained or reduced-dimensionality systems, is addressed. It is pointed out that disorder and carrier-carrier interactions have a strong influence on the spin-spin interaction, particularly in the vicinity of the metal-to-insulator transition. Outstanding properties of low-dimensional spin systems, resulting from their tendency towards the formation of spin-density waves, are described in the context of the observed peculiar domain structure.",

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AU - Dietl, T.

AU - Cibert, J.

AU - Kossacki, P.

AU - Ferrand, D.

AU - Tatarenko, S.

AU - Wasiela, A.

AU - Merle D'Aubigné, Y.

AU - Matsukura, F.

AU - Akiba, N.

AU - Ohno, H.

PY - 2000/5

Y1 - 2000/5

N2 - An overview is given of studies aiming at elucidation of the dominant effects that control the character of magnetic ordering and the magnitude of carrier-mediated ferromagnetic interactions in various dimensionality structures of diluted magnetic semiconductors. The modulation-doped p-type quantum wells of Cd1-xMnxTe/Cd1-y-z-MgyZnzTe:N as well as epilayers of Zn1-xMnxTe:N and of Ga1-xMnxAs grown at low temperatures are discussed as examples of systems, in which ferromagnetic correlation induced by free carriers is observed. The effect of kp and spin-orbit couplings, notably in heavily doped, strained or reduced-dimensionality systems, is addressed. It is pointed out that disorder and carrier-carrier interactions have a strong influence on the spin-spin interaction, particularly in the vicinity of the metal-to-insulator transition. Outstanding properties of low-dimensional spin systems, resulting from their tendency towards the formation of spin-density waves, are described in the context of the observed peculiar domain structure.

AB - An overview is given of studies aiming at elucidation of the dominant effects that control the character of magnetic ordering and the magnitude of carrier-mediated ferromagnetic interactions in various dimensionality structures of diluted magnetic semiconductors. The modulation-doped p-type quantum wells of Cd1-xMnxTe/Cd1-y-z-MgyZnzTe:N as well as epilayers of Zn1-xMnxTe:N and of Ga1-xMnxAs grown at low temperatures are discussed as examples of systems, in which ferromagnetic correlation induced by free carriers is observed. The effect of kp and spin-orbit couplings, notably in heavily doped, strained or reduced-dimensionality systems, is addressed. It is pointed out that disorder and carrier-carrier interactions have a strong influence on the spin-spin interaction, particularly in the vicinity of the metal-to-insulator transition. Outstanding properties of low-dimensional spin systems, resulting from their tendency towards the formation of spin-density waves, are described in the context of the observed peculiar domain structure.

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