Polarized x-ray spectroscopy of quaternary ferromagnetic semiconductor (Ga,Mn)(As,P)
X-ray magnetic circular dichroism (XMCD) is used to study the magnetic and electronic properties of the quaternary diluted magnetic semiconductor (Ga,Mn)(As,P) as a function of the P concentration y. A clear signature of the variation in strain, from compressive to tensile on increasing y, is observed in the angular dependence of the hybridized d{sup 5}-like Mn L{sub 2,3} XMCD spectra. The ferromagnetic transition temperature and magnetic moment per Mn ion both decrease steadily with increasing y.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- Advanced Light Source Division
- DOE Contract Number:
- DE-AC02-05CH11231
- OSTI ID:
- 1026810
- Report Number(s):
- LBNL-4854E; APPLAB; TRN: US1105136
- Journal Information:
- Applied Physics Letters, Vol. 99, Issue 2; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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