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Related papers: Electronic Structure Studies of CeAgSb2

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We present results of all-electron electronic structure calculations for the recently discovered d electron heavy fermion compound LiV_2O_4. The augmented spherical wave calculations are based on density functional theory within the local…

Strongly Correlated Electrons · Physics 2009-10-31 V. Eyert , K. -H. Hoeck , S. Horn , A. Loidl , P. S. Riseborough

The electronic structure of radially polarized excitons in structured nanorings is analyzed, with emphasis in the ground-state properties and their dependence under applied magnetic fields perpendicular to the ring plane. The electron-hole…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Z. Barticevic , M. Pacheco , J. Simonin , C. R. Proetto

We apply the self-interaction corrected local spin density %(SIC-LSD) approximation to study the electronic structure and magnetic properties of the spinel ferrites MnFe$_{2}$O$_{4}$, Fe$_{3}$O$_{4}$, CoFe$_{2}$O$_{4}$, and…

Materials Science · Physics 2009-11-11 Z. Szotek , W. M. Temmerman , D. Koedderitzsch , A. Svane , L. Petit , H. Winter

Electronic structure calculations of the Verwey ground state of magnetite, Fe3O4, using density functional theory with treatment of on-site Coulomb interactions (DFT+U scheme) are reported. These calculations use the recently-published…

Strongly Correlated Electrons · Physics 2013-01-16 Mark Senn , Ingo Loa , Jon P. Wright , J. Paul Attfield

We have used angle resolved photoemission spectroscopy to investigate the band structure of ReS$_2$, a transition-metal dichalcogenide semiconductor with a distorted 1T crystal structure. We find a large number of narrow valence bands,…

The first-principles calculations have been performed to investigate the ground state properties of cubic scandium trifluoride (ScF$_3$) perovskite. Using modified hybrid exchange-correlation functionals within the density functional theory…

Materials Science · Physics 2012-11-27 P. Zhgun , D. Bocharov , S. Piskunov , A. Kuzmin , J. Purans

Results are reported for the $f$-electron intermetallic CeAuAl$_4$Ge$_2$, where the atomic arrangement of the cerium ions creates the conditions for geometric frustration. Despite this, magnetic susceptibility measurements reveal that the…

Materials Science · Physics 2017-10-04 S. Zhang , N. Aryal , K. Huang , K. -W. Chen , Y. Lai , D. Graf , T. Besara , T. Siegrist , E. Manousakis , R. E. Baumbach

First principles density functional calculations within the local spin density approximation (LSDA) and the generalized gradient approximation (GGA) are reported for pyrochlore Cd$_2$Os$_2$O$_7$ and Cd$_{2}$Re$_{2}$O$_7$. The transition…

Condensed Matter · Physics 2009-11-07 D. J. Singh , P. Blaha , K. Schwarz , J. O. Sofo

Recent electronic structure calculations for the prototypical lowdimensional cuprate compounds CaCuO2 ans SrCuO2 performed by Wu et. al. (J. Phys.: Condens. Matter v. 11 p.4637 (1999))are critically reconsidered, applying high precision…

Strongly Correlated Electrons · Physics 2009-10-31 H. Rosner , M. Divis , K. Koepernik , S. -L. Drechsler , H. Eschrig

The electronic band structure of cubic HfO2 is calculated using an it ab initio all-electron self--consistent linear augmented plane-wave method, within the framework of the local-density approximation and taking into account…

The electronic structure of the CuO monolayer is investigated taking into account the intra- and interatomic Coulomb interactions on copper and oxygen atoms. Local Coulomb interactions and covalence effects are treated exactly when…

Strongly Correlated Electrons · Physics 2025-03-28 I. A. Makarov , A. A. Slobodchikov , I. A. Nekrasov , Yu. S. Orlov , L. V. Begunovich , M. M. Korshunov , S. G. Ovchinnikov

We show that the bound electron pairs (BEPs) emerge in two-dimensional gated Rashba materials owing to the interplay of the pair spin-orbit interaction, produced by the Coulomb fields of interacting electrons, and the peculiarities of the…

Mesoscale and Nanoscale Physics · Physics 2022-11-23 Yasha Gindikin , Igor Rozhansky , Vladimir A. Sablikov

We study the modification of the electronic structure in the strong spin-orbit coupled Sr$_2$IrO$_4$ by epitaxial strain using density functional methods. Structural optimization shows that strain changes the internal structural parameters…

Materials Science · Physics 2019-02-01 Churna Bhandari , Zoran S. Popović , S. Satpathy

The structural and electronic properties of zinc-blende (ZB) GaAs were calculated within the framework of plane wave density-functional theory (DFT) code JDFTx by using Becke 86 in 2D and PBE exchange correlation functionals from libXC. The…

Computational Physics · Physics 2019-11-26 Waqas Mahmood , Bing Dong

Thin films of CdTe were deposited on glass substrates by thermal evaporation. From the XRD measurements itis found that the films are of zinc-blende-type structure. Transmittance, absorption, extinction, and refractive coefficients are…

Materials Science · Physics 2009-11-11 S. Lalitha , S. Zh. Karazhanov , P. Ravindran , S. Senthilarasu , R. Sathyamoorthy , J. Janabergenov

We perform first-principles calculations of electronic structure and optical properties for UO2 and PuO2 based on the density functional theory using the generalized gradient approximation (GGA)+\emph{U} scheme. The main features in…

Strongly Correlated Electrons · Physics 2010-05-07 Hongliang Shi , Mingfu Chu , Ping Zhang

We introduce a spectral density functional theory which can be used to compute energetics and spectra of real strongly--correlated materials using methods, algorithms and computer programs of the electronic structure theory of solids. The…

Strongly Correlated Electrons · Physics 2009-11-10 S. Y. Savrasov , G. Kotliar

We discuss the effect of the spin-orbit interaction on the band structure, wave functions and low temperature conductance of long quasi-one-dimensional electron systems patterned in two-dimensional electron gases (2DEG). Our model for these…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. V. Moroz , C. H. W. Barnes

CaFe2As2 exhibits collapsed tetragonal (cT) structure and varied exotic behavior under pressure at low temperatures that led to debate on linking the structural changes to its exceptional electronic properties like superconductivity,…

Superconductivity · Physics 2017-12-12 Khadiza Ali , Kalobaran Maiti

Structural and electronic properties of the alpha- and gamma-phases of cerium sesquisulfide, Ce2S3, are examined by first-principles calculations using the GGA+U extension of density functional theory. The strongly correlated f-electrons of…

Materials Science · Physics 2007-05-23 Rene Windiks , Erich Wimmer , Leonid Pourovskii , Silke Biermann , Antoine Georges