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Exchange energy and impurity band effects in the I-V characteristics of (Ga,Mn) As/GaAs spin injectors

Pereyra, Pedro and Weiss, Dieter (2014) Exchange energy and impurity band effects in the I-V characteristics of (Ga,Mn) As/GaAs spin injectors. Physical Review B (PRB) 90, p. 245310.

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Abstract

A different approach to calculate the I−V characteristics of p+(Ga,Mn)As/n+GaAs spin injectors is presented. The vanishing of the spin-extraction transmission coefficients at the spin-split valence-band edges leads us to predict a dip or plateau in the I−V characteristics of this kind of diodes. We show that this minimum, or the inflection point, shifts with the exchange energy. Within this ...

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Item type:Article
Date:30 December 2014
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen
Identification Number:
ValueType
10.1103/PhysRevB.90.245310DOI
Classification:
NotationType
72.25.Hg, 71.70.Gm, 72.25.Mk, 85.75.−dPACS
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:31256
Owner only: item control page

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