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Related papers: First-principles study of $\alpha$-Pu2O3

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We investigated the electronic structures of the bandwidth-controlled ruthenates, Y$_{2}$Ru$_{2}$O$_{7}$, CaRuO$_{3}$, SrRuO$_{3}$, and Bi$_{2}$Ru$% _{2}$O$_{7}$, by optical conductivity analysis in a wide energy region of 5 meV $\sim $ 12…

Strongly Correlated Electrons · Physics 2009-11-07 J. S. Lee , Y. S. Lee , T. W. Noh , K. Char , Jonghyurk Park , S. -J. Oh , J. -H. Park , C. B. Eom , T. Takeda , R. Kanno

First principles calculations were performed to study the ground state electronic properties of BaFeO3 (BFO) within the density functional theory (DFT). Adopting generalized gradient approximation (GGA) exchange and correlation functional…

Materials Science · Physics 2007-05-23 Hong-Jian Feng , Fa-Min Liu

The structural, electronic, elastic and optical properties of tetragonal (P4mm) phase of Pb0.5Sn0.5TiO3 (PSTO) and Pb0.5Sn0.5Ti0.5(Zr0.5)O3 (PSTZO) are examined by first-principles calculations based on the density functional theory (DFT)…

Materials Science · Physics 2021-03-30 S. G. Kuma , M. M. Woldemariam

We study the electronic and magnetic structures of multiferroic CaMn$_7$O$_{12}$ by first-principle calculations, based on the experimentally determined modulated crystal structure. We confirm the presence of a 3$d$ orbital modulation of…

Materials Science · Physics 2015-06-23 Kun Cao , Roger D. Johnson , Natasha Perks , Feliciano Giustino , Paolo G. Radaelli

Using the hybrid exchange-correlation functional within the density-functional theory, we have systematically investigated the structural and electronic properties of MO (M = Be, Mg, Ca, Sr, Ba, Zn, Cd) in binary rocksalt (B1), zincblende…

Materials Science · Physics 2019-03-19 Jinying Yu , Mingke Zhang , Zihan Zhang , Shangwei Wang , Yelong Wu

Density functional theory calculations have been performed for the structural, electronic, magnetic and ferroelectric properties of a mixed-valence Fe(II)-Fe(III) formate framework [NH$_2$(CH$_3$)$_2$][Fe$^{\rm III}$Fe$^{\rm II}$(HCOO)$_6$]…

Materials Science · Physics 2019-10-15 Gang Tang , Wei Ren , Jiawang Hong , Alessandro Stroppa

We compare the trends on the strength of electronic correlations across the different phases of elemental Pu focusing on its site and orbital dependence, using a combination of density functional theory (DFT) and dynamical mean field theory…

Strongly Correlated Electrons · Physics 2021-01-04 W. H. Brito , G. Kotliar

We have studied the problem of phase stability in Fe-Pt and Co-Pt alloy systems. We have used the orbital peeling technique in the conjunction of augmented space recursion based on the tight binding linear orbital method as the method for…

Materials Science · Physics 2009-11-10 Durga Paudyal , Tanusri Saha-Dasgupta , Abhijit Mookerjee

The local structure of (Al_0.06V_0.94)_2O_3 in the paramagnetic insulating (PI) and antiferromagnetically ordered insulating (AFI) phase has been investigated using hard and soft x-ray absorption techniques. It is shown that: 1) on a local…

Strongly Correlated Electrons · Physics 2009-11-07 P. Pfalzer , J. Will , A. Nateprov , M. Klemm , V. Eyert , S. Horn , A. I. Frenkel , S. Calvin , M. L. denBoer

The electronic structure of Pr$_{1-x}$Ca$_x$MnO$_3$ has been investigated using a combination of first-principles calculations, X-ray photoelectron spectroscopy (XPS), X-ray absorption spectroscopy (XAS), electron-energy loss spectroscopy…

The structural and electronic properties of bulk, monolayer and ultrathin films of V$_2$O$_5$ and MoO$_3$ layered oxides have been studied with first-principles density functional theory calculations including Van der Waals dispersion…

Materials Science · Physics 2018-12-13 Tilak Das , Sergio Tosoni , Gianfranco Pacchioni

Geometrical frustration of the Fe ions in LuFe2O4 leads to intricate charge and magnetic order and a strong magnetoelectric coupling. Using resonant x-ray diffraction at the Fe K edge, the anomalous scattering factors of both Fe sites are…

Strongly Correlated Electrons · Physics 2015-05-13 A. M. Mulders , S. M. Lawrence , U. Staub , M. Garcia-Fernandez , V. Scagnoli , C. Mazzoli , E. Pomjakushina , K. Conder , Y. Wang

We calculate the structural, electronic, and magnetic properties of MnO from first principles, using the full-potential linearized augmented planewave method, with both local-density and generalized-gradient approximations to exchange and…

Condensed Matter · Physics 2009-10-31 J. E. Pask , D. J. Singh , I. I. Mazin , C. S. Hellberg , J. Kortus

Oxygen adsorption on delta-Pu (100) and (111) surfaces have been studied at both non-spin-polarized and spin-polarized levels using the generalized gradient approximation of density functional theory (GGA-DFT)with Perdew and Wang…

Strongly Correlated Electrons · Physics 2009-11-10 M. N. Huda , A. K. Ray

Novel imaging methods show that the mobile dopants in optimum doped La$_2$CuO$_{4+y}$ (LCO) get self-organized, instead of randomly distributed. Rigid-band models fail because of ordering of dopants and supercell calculations are required…

Superconductivity · Physics 2015-06-15 Thomas Jarlborg , Antonio Bianconi

This study investigates the site occupancy preferences of Al in Ta(Fe$_{1-x}$Al$_x$)$_2$ Laves phases using first-principles calculations, covering Al concentrations from 0 to 50 at.\%. Al atoms exhibit a strong preference for $2a$ Wyckoff…

Materials Science · Physics 2025-04-01 Nisa Ulumuddin , Sandra Korte-Kerzel , Zhuocheng Xie

Tricobalt tetraoxide (Co3O4) is an important catalyst and Co3O4(110) is a frequently exposed surface in Co3O4 nanomaterials. We employed Density-functional theory with on-site Coulomb repulsion U term to study the atomic structures,…

Materials Science · Physics 2015-06-04 Jia Chen , Annabella Selloni

The primordial ingredient of cuprate superconductivity is the CuO2 unit cell. Here, theoretical attention usually concentrates on the intra-atom Coulombic interactions dominating the 3d^9 and 3d^10 configurations of each copper ion.…

First-principles calculations have been performed for different collinear magnetic orderings in orthorhombic manganites, such as HoMnO3, TbMnO3 and YMnO3, showing large GdFeO3-like distortions. Our results suggest that the AFM-E type…

Materials Science · Physics 2009-11-11 S. Picozzi , K. Yamauchi , G. Bihlmayer , S. Bluegel

Among the numerous 2D system that can be prepared via exfoliation, iron phosphorus trisulfide (FePS3) attracts a lot of attention recently due to its broad-range photoresponse, its unusual Ising-type magnetic order and possible applications…

Materials Science · Physics 2023-01-16 Mohammad Amirabbasi , Peter Kratzer
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