Effects of nonuniform Mn distribution in (Ga,Mn)As
Artikel i vetenskaplig tidskrift, 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.

Författare

I. Ulfat

Janusz Kanski

Chalmers, Teknisk fysik, Fasta tillståndets fysik

Lars Ilver

Chalmers, Teknisk fysik, Fasta tillståndets fysik

J. Sadowski

K. Karlsson

A. Ernst

L. Sandratskii

Physical Review B - Condensed Matter and Materials Physics

1098-0121 (ISSN)

Vol. 89 4 art no 045312-

Ämneskategorier

Atom- och molekylfysik och optik

DOI

10.1103/PhysRevB.89.045312

Mer information

Skapat

2017-10-06