A review of the electronic and magnetic properties of tetrahedrally bonded half-metallic ferromagnets

Abstract

The emergence of the field of spintronics brought half-metallic ferromagnets to the center of scientific research. A lot of interest was focused on newly created transition-metal pnictides (such as CrAs) and chalcogenides (such as CrTe) in the metastable zinc-blende lattice structure. These compounds were found to present the advantage of high Curie temperature values in addition to their structural similarity to semiconductors. Significant theoretical activity has been devoted to the study of the electronic and magnetic properties of these compounds in an effort to achieve a better control of their experimental behaviour in realistic applications. This review is devoted to an overview of the studies of these compounds, with emphasis on theoretical results, covering their bulk properties (electronic structure, magnetism, stability of the zinc-blende phase, stability of ferromagnetism) as well as low-dimensional structures (surfaces, interfaces, nanodots and transition-metal delta-doped semiconductors) and phenomena that can possibly destroy the half-metallic property, like structural distortions or defects.

arXiv commentSubmitted for a speical issue of J. Phys.: Condens. Matter on "half-metallic ferromagnets"

References in corpus (29)

• Slater-Pauling Behavior of the Half-Ferromagnetic Full-Heusler Alloys
• Origin and Properties of the Gap in the Half-Ferromagnetic Heusler Alloys
• Towards New Half-Metallic Systems: Zinc-Blende Compounds of Transition Elements with N, P, As, Sb, S, Se, and Te
• Half-metallic ferromagnetism and structural stability of zincblende phases of the transition-metal chalcogenides
• Can half metallic zincblende MnAs be grown?
• Robust half-metallic ferromagnetism in the zincblende CrSb
• Surface Properties of the Half- and Full-Heusler Alloys
• Coordination and chemical effects on the structural, electronic and magnetic properties in Mn pnictides
• Ferromagnetic materials in the zinc-blende structure
• Thermal collapse of spin-polarization in half-metallic ferromagnets
• The effect of the spin-orbit interaction on the band gap of half-metals
• Surface Half-Metallicity of CrAs in the Zinc-Blende Structure
• Half-metallic ferromagnets for magnetic tunnel junctions
• Chiral dynamics in the gamma p --> pi^0 eta p and gamma p --> pi^0 K^0 Sigma^+ reactions
• Density functional theory in the canonical ensemble I General formalism
• Temperature dependences of resistivity and magnetoresistivity for half-metallic ferromagnets
• Interface properties of the NiMnSb/InP and NiMnSb/GaAs contacts
• Stability of ferromagnetism in the half-metallic pnictides and similar compounds: A first-principles study
• Electron Correlations and the Minority-Spin Band Gap in Half-Metallic Heusler Alloys
• Towards half-metallic interfaces: the Co${}_2$CrAl/InP contacts
• Half metallic digital ferromagnetic heterostructure composed of a $\delta$-doped layer of Mn in Si
• Structural and magnetic properties of the (001) and (111) surfaces of the half-metal NiMnSb
• Ab-initio transport theory for digital ferromagnetic heterostructures
• Tunable spin transport in CrAs: role of correlation effects
• Multilayers of Zinc-Blende Half-Metals with Semiconductors
• Half-metallic properties of atomic chains of carbon-transition metal compounds
• Half-metallic ferromagnetism induced by dynamic electron correlations in VAs
• Defects in CrAs and related compounds: a route to half-metallic ferrimagnetism
• Electronic structure and exchange constants in magnetic semiconductors digital alloys: chemical and band-gap effects

Cited by in corpus (12)

• Improved half-metallic ferromagnetism of transition-metal pnictides and chalcogenides calculated with a modified Becke-Johnson exchange potential
• Ab-initio calculation of the effective on-site Coulomb interaction parameters for half-metallic magnets
• Effect of the double-counting functional on the electronic and magnetic properties of half-metallic magnets using the GGA+U method
• Magnetism in Cr-doped ZnS: Density-functional theory studies
• Absence of localized-spin magnetism in the narrow-gap semiconductor FeSb2
• Half-metallic Ferrimagnetism Driven by Coulomb Enhanced Spin-Orbit Coupling in PdCrO3
• Influence of defects on the electronic and magnetic properties of half-metallic CrAs, CrSe and CrSb zinc-blende compounds
• Spin transport and spin-caloric effects in (Cr,Zn)Te half-metallic nanostructures: Effect of spin disorder at elevated temperatures from first principles
• Theoretical investigation of spin-filtering in CrAs / GaAs heterostructures
• Role of defects and disorder in the half-metallic full-Heusler compounds
• Half-metallic ferrimagnetism in the [Sc${}_{1-x}$V${}_x$]C and [Sc${}_{1-x}$V${}_x$]Si alloys adopting the zinc-blende and wurtzite structures from first-principles
• Role of defects on the electronic and magnetic properties of CrAs/InAs and CrAs/CdSe half-metallic interfaces