English
Related papers

Related papers: Electronic structure of half-metallic magnets

200 papers

Conventional magnetism occurs in systems which contain transition metals or rare earth ions with partially filled $d$ or $f$ shells. It is theoretically predicted that compounds of groups IA and IIA with IV and V, in some structural phases,…

Materials Science · Physics 2017-03-28 Seyed Mojtaba Rezaei Sani , Omid Khakpour

Using first-principles calculations, we investigate the band structures of a series of quaternary LiMgPdSn-type Heusler compounds. Our calculation results show that five compounds CoFeMnSi, CoFeCrAl, CoMnCrSi, CoFeVSi and FeMnCrSb possess…

Materials Science · Physics 2013-04-23 G. Z. Xu , E. K. Liu , Y. Du , G. J. Li , G. D. Liu , W. H. Wang , G. H. Wu

The book includes all main physical properties of d- and f-transition-metal systems and corresponding theoretical concepts. Especial attention is paid to the theory of magnetism and transport phenomena. Some examples of non-traditional…

Condensed Matter · Physics 2021-09-01 V. Yu. Irkhin , Yu. P. Irkhin

We use density functional theory to study the structural, magnetic and electronic structure of the organo-metallic quantum magnet $\mathrm{NiCl_2-4SC(NH_2)_2}$ (DTN). Recent work has demonstrated the quasi-1D nature of the molecular crystal…

Mesoscale and Nanoscale Physics · Physics 2021-03-03 Maher Yazback , Jie-Xiang Yu , Shuanglong Liu , Long Zhang , Neil S. Sullivan , Hai-Ping Cheng

The results of electronic structure calculations for a variety of palladium hydrides are presented. The calculations are based on density functional theory and used different local and semilocal approximations. The thermodynamic stability…

Materials Science · Physics 2014-11-07 Abdesalem Houari , Samir F. Matar , Volker Eyert

Density functional theory has been applied to investigate the electronic structure and lattice stability of molybdenene monolayer in both its hexagonal and triclinic phases, within ultrasoft pseudopotential approach. In agreement with…

Materials Science · Physics 2025-05-28 Ashkan Shekaari , Mahmoud Jafari

Next-generation spintronic devices will benefit from low-dimensionality, ferromagnetism, and half-metallicity, possibly controlled by electric fields. We find these technologically-appealing features to be combined with an exotic…

Materials Science · Physics 2021-02-26 Hrishit Banerjee , Paolo Barone , Silvia Picozzi

The electronic structure of quasi-one-dimensional superconductor K$_2$Cr$_3$As$_3$ is studied through systematic first-principles calculations. The ground state of K$_2$Cr$_3$As$_3$ is paramagnetic but very close to a ferromagnetic…

Superconductivity · Physics 2015-11-03 Hao Jiang , Guanghan Cao , Chao Cao

First-principles density functional theory (DFT) study of embedding V and Nb atom in monovacant and divacant graphene is reported. Complete/almost complete spin polarization is verified for V/Nb embedding in MV/DV graphene. The origin of…

Materials Science · Physics 2018-04-26 Jyoti Thakur , Manish K. Kashyap , Hardev S. Saini , Ali H. Reshak

By combining the electronic structures obtained from first principles calculations with Boltzmann transport theory we have investigated the electronic, magnetic and transport properties of Co$_{2}$MnGe Heusler compound. The density of…

Materials Science · Physics 2014-06-16 Sonu Sharma , Sudhir K. Pandey

We have calculated the magnetic properties of substituted 3d-impurities (Cr-Ni) in a GaAs host by means of first principles electronic structure calculations. We provide a novel model explaining the ferromagnetic long rang order of III-V…

Materials Science · Physics 2009-11-07 S. Mirbt , B. Sanyal , P. Mohn

We use ab initio density functional theory to study the equilibrium geometry and electronic structure of few-layer grey arsenic. In contrast to the bulk structure that is semimetallic, few-layer grey As displays a significant band gap that…

Mesoscale and Nanoscale Physics · Physics 2014-10-24 Zhen Zhu , Jie Guan , David Tomanek

The layered iron superconductors are discussed using electronic structure calculations. The four families of compounds discovered so far, including Fe(Se,Te) have closely related electronic structures. The Fermi surface consists of…

Superconductivity · Physics 2015-05-13 D. J. Singh , M. H. Du , L. Zhang , A. Subedi , J. An

We present results of a combined density functional and many-body calculations for the electronic and magnetic properties of the defect-free digital ferromagnetic heterostructures obtained by doping GaAs with Cr and Mn. While local density…

Materials Science · Physics 2016-08-14 F. Beiuşeanu , C. Horea , E. -V. Macocian , T. Jurcuţ , L. Vitos , L. Chioncel

The electronic structure and intrinsic magnetic properties of $\text{Fe}_2\text{AlB}_2$-related compounds and their alloys have been investigated using density functional theory. For $\text{Fe}_2\text{AlB}_2$, the crystallographic $a$ axis…

Materials Science · Physics 2017-03-22 Liqin Ke , Bruce N. Harmon , Matthew J. Kramer

We investigate quantum dynamics and kinetics of a 2D conductor with closed Fermi surface reconstructed by a biaxial density wave, in which electrons move along a two-dimensional periodic net of semiclassical trajectories coupled by the…

Strongly Correlated Electrons · Physics 2021-10-28 A. M. Kadigrobov , B. Keran , D. Radić

Theoretical calculations, based on hybrid exchange density functional theory, are used to show that in graphene a periodic array of defects generates a ferromagnetic ground state at room temperature for unexpectedly large defect…

Materials Science · Physics 2009-11-13 L. Pisani , B. Montanari , N. M. Harrison

To unravel the interplay between the strong electronic correlation and itinerant-localized dual nature in atypical f electron systems, we employed the density functional theory in combination with the single-site dynamical mean-field theory…

Strongly Correlated Electrons · Physics 2021-02-08 Haiyan Lu , Qin Liu

We present the results of self-consistent calculations of the electronic shell and supershell structure for clusters having up to 6000 valence electrons. The ionic background is described in terms of a homogeneous jellium. The calculations…

Condensed Matter · Physics 2009-10-28 Erik Koch , Olle Gunnarsson

The band structure of alfa-(Per)2M(mnt)2, leads to a description of these materials as nearly perfectly one dimensional conductors. The conduction is mainly along the stacking direction of the partially oxidized perylene molecules,…

Strongly Correlated Electrons · Physics 2009-11-10 Enric Canadell , Manuel Almeida , James Brooks