Theoretical Models of Ferromagnetic III-V Semiconductors
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چکیده
منابع مشابه
Theoretical models of ferromagnetic III – V semiconductors q
Recent materials research has advanced the maximum ferromagnetic transition temperature in semiconductors containing magnetic elements toward room temperature. Reaching this goal would make information technology applications of these materials likely. In this article we briefly review the status of work over the past five years which has attempted to achieve a theoretical understanding of thes...
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The body of research on (III,Mn)V diluted magnetic semiconductors initiated during the 1990’s has concentrated on three major fronts: i) the microscopic origins and fundamental physics of the ferromagnetism that occurs in these systems, ii) the materials science of growth and defects and iii) the development of spintronic devices with new functionalities. This article reviews the current status...
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We review the first decade of extensive optical studies of ferromagnetic, III-Mn-V diluted magnetic semiconductors. Mn introduces holes and local moments to the III–V host, which can result in carrier mediated ferromagnetism in these disordered semiconductors. Spectroscopic experiments provide direct access to the strength and nature of the exchange between holes and local moments; the degree o...
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Ultrafast Magneto-Optical Spectroscopy of (III,Mn)V Ferromagnetic Semiconductors
متن کاملUltrafast magneto-optics in ferromagnetic III–V semiconductors
We investigate various ultrafast optical processes in ferromagnetic (III,Mn)V semiconductors induced by femtosecond laser pulses. Two-colour timeresolved magneto-optical spectroscopy has been developed, which allows us to observe a rich array of dynamical phenomena. We isolate several distinct temporal regimes in spin dynamics, interpreting the fast (<1 ps) dynamics as spin heating through sp–d...
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ژورنال
عنوان ژورنال: ChemInform
سال: 2003
ISSN: 0931-7597,1522-2667
DOI: 10.1002/chin.200314241