First principle prediction of half-metallic ferromagnetism above room temperature in half-heusler alloys
Journal Article
·
· AIP Conference Proceedings
- ISIR, Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047 (Japan)
- Graduate School of Engineering Science, Osaka University, Osaka 560-8531 (Japan)
A first principle study of half-metallicity and ferromagnetism in half-heusler alloys NiMnZ (Z = Si, P, Ge, As, and Sb) is given. The half-metallicity and ferromagnetism are predicted via the calculation of electronic structure, and Curie temperature. The stability of the orthorhombic and tetragonal structures and C1{sub b} at various values of lattice parameters is also studied by means of the pseudo-potential method. All alloys exhibit the half-metallicity and ferromagnetism above room temperature.
- OSTI ID:
- 21371418
- Journal Information:
- AIP Conference Proceedings, Vol. 1199, Issue 1; Conference: 29. international conference on the physics of semiconductors, Rio de Janeiro (Brazil), 27 Jul - 1 Aug 2008; Other Information: DOI: 10.1063/1.3295495; (c) 2009 American Institute of Physics; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANTIMONY
CURIE POINT
ELECTRONIC STRUCTURE
FERROMAGNETIC MATERIALS
FERROMAGNETISM
GERMANIUM
HEUSLER ALLOYS
INTERMETALLIC COMPOUNDS
LATTICE PARAMETERS
MANGANESE
NICKEL
ORTHORHOMBIC LATTICES
PHASE STABILITY
POTENTIALS
RANDOM PHASE APPROXIMATION
SILICON
TEMPERATURE DEPENDENCE
ALLOYS
ALUMINIUM ALLOYS
APPROXIMATIONS
CALCULATION METHODS
COPPER ALLOYS
COPPER BASE ALLOYS
CORROSION RESISTANT ALLOYS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
ELEMENTS
MAGNETIC MATERIALS
MAGNETISM
MANGANESE ALLOYS
MATERIALS
METALS
PHYSICAL PROPERTIES
SEMIMETALS
STABILITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT ALLOYS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANTIMONY
CURIE POINT
ELECTRONIC STRUCTURE
FERROMAGNETIC MATERIALS
FERROMAGNETISM
GERMANIUM
HEUSLER ALLOYS
INTERMETALLIC COMPOUNDS
LATTICE PARAMETERS
MANGANESE
NICKEL
ORTHORHOMBIC LATTICES
PHASE STABILITY
POTENTIALS
RANDOM PHASE APPROXIMATION
SILICON
TEMPERATURE DEPENDENCE
ALLOYS
ALUMINIUM ALLOYS
APPROXIMATIONS
CALCULATION METHODS
COPPER ALLOYS
COPPER BASE ALLOYS
CORROSION RESISTANT ALLOYS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
ELEMENTS
MAGNETIC MATERIALS
MAGNETISM
MANGANESE ALLOYS
MATERIALS
METALS
PHYSICAL PROPERTIES
SEMIMETALS
STABILITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT ALLOYS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE