Heat treatment effect on magnetic properties of polycrystalline Si1-xMnx semiconductors grown by MBE
MBE-grown polycrystalline Si1-xMnx semiconductors were aged at 700degreesC for various times, and heat treatment effect on the magnetic properties was studied. Extensive analyses on the magnetization characteristics and microstructure of polycrystalline Si1-xMnx semiconductors reveal that ferromagnetic MnSi and anti-ferromagnetic Mn5Si3 phases are transformed into ferromagnetic Mn4Si7, nonmagnetic Mn5Si2, anti-ferromagnetic beta-Mn and unidentified minor phases. The phase transformation causes the decrease of saturation magnetizations after heat treatment. (C) 2004 Published by Elsevier B.V.
- Publisher
- Elsevier Science Bv
- Issue Date
- 2004-05
- Language
- English
- Article Type
- Article; Proceedings Paper
- Keywords
FERROMAGNETIC-SEMICONDUCTOR; THIN-FILMS; GAAS; MAGNETORESISTANCE; NANOCLUSTERS
- Citation
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, v.282, pp.240 - 243
- ISSN
- 0304-8853
- Appears in Collection
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