Effects of nonuniform Mn distribution in (Ga, Mn) As

Intikhab Ulfat; Janusz Kanski; Lars Ilver; J. Sadowski; Kristian Karlsson; Arthur Ernst; Leonid Sandratskii

doi:10.1103/PhysRevB.89.045312

Effects of nonuniform Mn distribution in (Ga, Mn) As

Intikhab Ulfat
, Janusz Kanski
, Lars Ilver
, J. Sadowski
, Kristian Karlsson
, Arthur Ernst
, Leonid Sandratskii

Department of Many Particle Systems

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Article number	045312
Pages (from-to)	045312
Number of pages	5
Journal	Physical Review B: Condensed Matter and Materials Physics
Volume	89
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevB.89.045312
Publication status	Published - Jan 2014

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abstract = "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.",

author = "Intikhab Ulfat and Janusz Kanski and Lars Ilver and J. Sadowski and Kristian Karlsson and Arthur Ernst and Leonid Sandratskii",

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T1 - Effects of nonuniform Mn distribution in (Ga, Mn) As

AU - Ulfat, Intikhab

AU - Kanski, Janusz

AU - Ilver, Lars

AU - Sadowski, J.

AU - Karlsson, Kristian

AU - Ernst, Arthur

AU - Sandratskii, Leonid

PY - 2014/1

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N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/84897660307

U2 - 10.1103/PhysRevB.89.045312

DO - 10.1103/PhysRevB.89.045312

M3 - Article

SN - 2469-9969

VL - 89

SP - 045312

JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

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ER -

Effects of nonuniform Mn distribution in (Ga, Mn) As

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