Metal-insulator transition in semimagnetic semiconductors

A rare insulator-to-metal transition on increasing magnetic field has been observed in n-Cd(0.95)Mn(0.05)Se and p-Hg(0.915)Mn(0.085)Te. The two systems belong to a new universality class due to a giant spin-splitting effect. The transition, shown to be driven by the electron-electron interactions an...

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Veröffentlicht in:	Physical review letters 1986-06, Vol.56 (22), p.2419-2422
Hauptverfasser:	WOJTOWICZ, T, DIETL, T, SAWICKI, M, PLESIEWICZ, W, JAROSZYNSKI, J
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron states Exact sciences and technology Metal-insulator transitions and other electronic transitions Physics
Online-Zugang:	Volltext
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Zusammenfassung:	A rare insulator-to-metal transition on increasing magnetic field has been observed in n-Cd(0.95)Mn(0.05)Se and p-Hg(0.915)Mn(0.085)Te. The two systems belong to a new universality class due to a giant spin-splitting effect. The transition, shown to be driven by the electron-electron interactions and the newly predicted critical behavior of the conductivity, is confirmed. (Author)
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.56.2419