Phase separation and exchange biasing in the ferromagnetic IV-VI semiconductor Ge{sub 1-x}Mn{sub x}Te
- Institut fuer Halbleiter- und Festkpoerperphysik, Johannes Kepler Universitaet Linz, 4040 Linz (Austria)
Ferromagnetic Ge{sub 1-x}Mn{sub x}Te grown by molecular beam epitaxy with Mn content of x{sub Mn}approx =0.5 is shown to exhibit a strong tendency for phase separation. At higher growth temperatures apart from the cubic Ge{sub 0.5}Mn{sub 0.5}Te, a hexagonal MnTe and a rhombohedral distorted Ge{sub 0.83}Mn{sub 0.17}Te phase is formed. This coexistence of antiferromagnetic MnTe and ferromagnetic Ge{sub 0.5}Mn{sub 0.5}Te results in magnetic exchange-bias effects.
- OSTI ID:
- 21367012
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 2 Vol. 97; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
ANTIFERROMAGNETIC MATERIALS
ANTIFERROMAGNETISM
ATOMIC FORCE MICROSCOPY
CHALCOGENIDES
COHERENT SCATTERING
CRYSTAL GROWTH
CRYSTAL GROWTH METHODS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DIFFRACTION
ELECTRON MICROSCOPY
EPITAXY
FERROMAGNETIC MATERIALS
GERMANIUM COMPOUNDS
HYSTERESIS
MAGNETIC MATERIALS
MAGNETIC SEMICONDUCTORS
MAGNETISM
MANGANESE COMPOUNDS
MANGANESE TELLURIDES
MATERIALS
MICROSCOPY
MOLECULAR BEAM EPITAXY
SCATTERING
SEMICONDUCTOR MATERIALS
TELLURIDES
TELLURIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY
TRIGONAL LATTICES
X-RAY DIFFRACTION
ANTIFERROMAGNETIC MATERIALS
ANTIFERROMAGNETISM
ATOMIC FORCE MICROSCOPY
CHALCOGENIDES
COHERENT SCATTERING
CRYSTAL GROWTH
CRYSTAL GROWTH METHODS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DIFFRACTION
ELECTRON MICROSCOPY
EPITAXY
FERROMAGNETIC MATERIALS
GERMANIUM COMPOUNDS
HYSTERESIS
MAGNETIC MATERIALS
MAGNETIC SEMICONDUCTORS
MAGNETISM
MANGANESE COMPOUNDS
MANGANESE TELLURIDES
MATERIALS
MICROSCOPY
MOLECULAR BEAM EPITAXY
SCATTERING
SEMICONDUCTOR MATERIALS
TELLURIDES
TELLURIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY
TRIGONAL LATTICES
X-RAY DIFFRACTION