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相关论文: Investigating the electronic structure of MSi (M =…

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The LDA+DMFT (local density approximation combined with dynamical mean-field theory) computation scheme has been used to study spectral and magnetic properties of FeSi and Fe$_{1-x}$Co$_{x}$Si. Having compared different models we conclude…

Using angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT) calculations, we systematically studied the electronic band structure of Mn$_3$Ge in the vicinity of the Fermi level. We observe several bands…

We have investigated the electronic structure and the Fermi surface of SnO using density functional theory (DFT) calculations within recently proposed exchange-correlation potential (PBE+mBJ) at ambient conditions and high pressures up to…

材料科学 · 物理学 2015-05-28 J. A. McLeod , A. V. Lukoyanov , E. Z. Kurmaev , L. D. Finkelstein , A. Moewes

The purpose of this work was to calculate the electronic band structure of Cd$_{1-x}$Fe$_x$Se. Ab-initio, calculations are performed in the Atomistix Toolkit program within the Density Functional Theory and Local Spin Density Approximation…

材料科学 · 物理学 2025-06-24 Matanat A. Mehrabova , Elshad Allahyarov , Niyazi H. Hasanov , Nurana R. Gasimova

The electronic structure of Samarium (Sm) was calculated using the density functional theory combined with the single-site dynamical mean-field theory. In this work, we investigated the electronic properties of {\alpha}, \b{eta} and…

强关联电子 · 物理学 2026-05-15 Shengsong Xu , Zhenfeng Ouyang , Li Huang , Zhong-Yi Lu

The electronic energy structures and magnetic properties of iron-based compounds with group VI elements (FeTe, BiFeO$_3$, SrFe$_{12}$O$_{19}$ and SrCoTiFe$_{10}$O$_{19}$) are studied using the density functional theory (DFT) methods.…

材料科学 · 物理学 2015-10-05 G. E. Grechnev , A. A. Lyogenkaya , O. V. Kotlyar , A. S. Panfilov , V. P. Gnezdilov

Electronic structures of FeSi and Fe$_{1.02}$Si$_{0.98}$ under pressure (achieved through volume compression) have been investigated by using DFT+DMFT and KKR-CPA methods, respectively. The widening of band-gap with increasing pressure…

强关联电子 · 物理学 2021-02-03 Paromita Dutta , Sudhir K. Pandey

The density functional theory (DFT)+U method based on the linear response (LR) theory was applied to investigate the electronic structures of Co-based ternary full Heusler alloy Co$_2Y$Si for exploring half-metallic (HM) ferromagnets with a…

材料科学 · 物理学 2019-06-11 Kenji Nawa , Yoshio Miura

Geometrically frustrated magnetic semiconductor $\textrm{CuMnO}_{2}$ has potential applications as photo-catalyst, in photochemical cells and multi-ferroic devices. Electronic band structure in the antiferromagnetic and ferromagnetic phases…

材料科学 · 物理学 2024-06-05 Apurba Sarkar , Joydeep Chatterjee , Arghya Taraphder , Nandan Pakhira

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…

材料科学 · 物理学 2007-05-23 Hong-Jian Feng , Fa-Min Liu

We present the band structure of CeIr$_3$ superconductor calculated within the dynamical mean field theory (DMFT). Standard GGA and GGA+U methods fail to reproduce the experimental electronic specific heat coefficient $\gamma_{\rm expt.}$…

强关联电子 · 物理学 2022-01-05 Sylwia Gutowska , Bartlomiej Wiendlocha

The electronic energy structures and magnetic properties of layered superconductors $R$Ni$_2$B$_2$C, $R$Fe$_4$Al$_8$ and FeSe are systematically studied, by using the density functional theory (DFT). The calculations allowed us to reveal a…

超导电性 · 物理学 2014-04-04 G. E. Grechnev , A. V. Logosha , A. A. Lyogenkaya , A. G. Grechnev , A. V. Fedorchenko

We have studied the electronic band properties of 2H-SiC and 4H-SiC silicon carbide polytypes. The structures of the electronic bands and density of state (DOS) using ab initio Density Functional Theory (DFT) were calculated for the first…

材料科学 · 物理学 2021-06-28 A. V. Sinelnik , A. V. Semenov

The strain effect on electronic structure and thermoelectric properties of Higher Manganese Silicides (HMSs) Mn4Si7 was studied using Density Functional Theory (DFT) and through solving Boltzman Transport Equation (BTE). We found that the…

材料科学 · 物理学 2016-09-21 Do Duc Cuong , JinSik Park , S. H. Rhim , Soon Cheol Hong

We report the electronic structure of monoclinic CuO as obtained from first principles calculations utilizing density functional theory plus effective Coulomb interaction (DFT + U) method. In contrast to standard DFT calculations taking…

强关联电子 · 物理学 2014-02-19 C. E. Ekuma , V. I. Anisimov , J. Moreno , M. Jarrell

We report first-principles calculations on the normal and superconducting state of CaBe(x)Si(2-x) (x=1), in the framework of density functional theory for superconductors (SCDFT). CaBeSi is isostructural and isoelectronic to MgB2 and this…

超导电性 · 物理学 2013-05-29 C. Bersier , A. Floris , A. Sanna , G. Profeta , A. Continenza , E. K. U. Gross , S. Massidda

Equilibrium crystal structures, electron band dispersions and band gap values of layered GaSe and InSe semiconductors, each being represented by four polytypes, are studied via first-principles calculations within the density functional…

材料科学 · 物理学 2018-08-10 Juliana Srour , Michael Badawi , Fouad El Haj Hassan , Andrei Postnikov

The electronic structure and half-metallic gap of Co$_{2}$MnSi in the presence of crystallographic defects, partial Fe substitution for Mn, and thermal spin fluctuations are studied using the coherent potential approximation and the…

材料科学 · 物理学 2020-03-05 G. G. Baez Flores , I. A. Zhuravlev , K. D. Belashchenko

We study an electronic structure of CeRhSb$_{1-x}$Sn$_x$ system, which displays quantum critical transition from a Kondo insulator to a non-Fermi liquid at $x=0.13$. We provide ultraviolet photoelectron spectra of valence band obtained at…

强关联电子 · 物理学 2020-03-13 R. Kurleto , J. Goraus , M. Rosmus , A. Ślebarski , P. Starowicz

Spin-filtered time-of-flight photoelectron momentum microscopy reveals a systematic variation of the band structure within a series of highly spin-polarized ferromagnetic Heusler compounds with increasing number of valence electrons…

材料科学 · 物理学 2021-02-10 S. Chernov , C. Lidig , O. Fedchenko , M. Jourdan , G. Schönhense , H. J. Elmers
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