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Exchange coupling in magnetic phase-separated GeMn alloys.

Authors :
Men'shov, V. N.
Tugushev, V. V.
Source :
JETP Letters. Jun2008, Vol. 87 Issue 8, p428-432. 5p. 2 Graphs.
Publication Year :
2008

Abstract

The mechanism of the appearance of the magnetic order is considered for the GeMn alloys inside which ferromagnetic “nanocolumns” highly enriched with manganese are formed during the process of low-temperature growth. To describe this ordering, a model of effective exchange between ferromagnetic strings arranged inside a highly compensated nondegenerate semiconductor is suggested. [ABSTRACT FROM AUTHOR]

Subjects

Subjects :
*ORDER-disorder in alloys
*GERMANIUM alloys
*MANGANESE alloys
*METALLIC composites
*DILUTED magnetic semiconductors
*SEMICONDUCTORS
*FERROMAGNETIC materials
*MAGNETIC declination
*MANGANESE

Details

Language :
English
ISSN :
00213640
Volume :
87
Issue :
8
Database :
Academic Search Index
Journal :
JETP Letters
Publication Type :
Academic Journal
Accession number :
32852720
Full Text :
https://doi.org/10.1134/S0021364008080080
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