Intrinsic ferromagnetism in wurtzite (Ga,Mn)N grown by plasma-assisted molecular-beam epitaxy
Journal Article
·
· AIP Conference Proceedings
- CEA-CNRS-UJF group 'Nanophysique et Semiconducteurs', DRFMC/SP2M/PSC, CEA-Grenoble, 17 rue des Martyrs, 38054 Grenoble Cedex 9 (France)
- European Synchrotron Radiation Facility (ESRF), BP 220, 38043 Grenoble (France)
- Louis Neel, CNRS, BP 166, 38042 Grenoble (France)
We report on the intrinsic ferromagnetic properties of wurtzite Ga0.937Mn0.063N diluted magnetic semiconductor grown by plasma-assisted molecular beam epitaxy. The growth conditions were carefully optimized to obtain single phase (Ga,Mn)N samples. The high structural quality is confirmed by x-ray diffraction experiments. Ferromagnetism is unambiguously demonstrated by both macroscopic magnetization measurements and x-ray magnetic circular dichroism spectra recorded at the Mn K-edge. The Curie temperature is found {approx_equal}8 K with a spontaneous magnetic moment of 2.4 {mu}B per Mn at 2 K.
- OSTI ID:
- 21055043
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 893; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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