Effects of nonuniform Mn distribution in (Ga,Mn)As
Journal article, 2014

Resonant in situ photoemission from Mn 3d states in Ga1-xMnxAs is reported for Mn concentrations down to the very dilute level of 0.1%. Concentration-dependent spectral features are analyzed on the basis of first-principles calculations for systems with selected impurity positions as well as for random alloys. Effects of direct Mn-Mn interaction are found for concentrations as low as 2.5%, and are ascribed to statistical (nonuniform) distribution of Mn atoms.


I. Ulfat

Janusz Kanski

Chalmers, Applied Physics, Solid State Physics

Lars Ilver

Chalmers, Applied Physics, Solid State Physics

J. Sadowski

K. Karlsson

A. Ernst

L. Sandratskii

Physical Review B - Condensed Matter and Materials Physics

24699950 (ISSN) 24699969 (eISSN)

Vol. 89 4 art no 045312- 045312

Subject Categories

Atom and Molecular Physics and Optics



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4/5/2022 6