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Related papers: ELECTRONIC STRUCTURE OF FeSi

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We combined photoelemission spectroscopy with first-principle calculations to investigate structural and electronic properties of SrTiO$_{3}$ doped with Ni impurities. In SrTiO$_{3}$ polycrystalline thin films, grown by magnetron…

X-ray photoelectron spectra provide a wealth of information on the electronic structure. The extraction of molecular details requires adequate theoretical methods, which in case of transition metal complexes has to account for effects due…

We report high resolution angle-resolved photoemission spectroscopy (ARPES) studies of the electronic structure of BaFe$_2$As$_2$, which is one of the parent compounds of the Fe-pnictide superconductors. ARPES measurements have been…

Using angle-resolved photoemission spectroscopy (ARPES), we studied bulk and surface electronic band structures of narrow-gap semiconductor lead telluride (PbTe) thin films grown by molecular beam epitaxy both perpendicular and parallel to…

Materials Science · Physics 2017-04-26 Zhenyu Ye , Shengtao Cui , Tianyu Shu , Songsong Ma , Yang Liu , Zhe Sun , Jun-Wei Luo , Huizhen Wu

The electronic structure of the conjugated polymer, polyaniline, has been studied by resonant and nonresonant X-ray emission spectroscopy using synchrotron radiation for the excitation. The measurements were made on polyaniline and a few…

Materials Science · Physics 2012-01-05 M. Magnuson , J. -H. Guo , S. M. Butorin , A. Agui , C. Såthe , J. Nordgren , A. P. Monkman

The electronic state of WTe2, a candidate of type-II Weyl semimetal, is investigated by using laser-based spin- and angle-resolved photoemission spectroscopy (SARPES). We prepare the pair of WTe2 samples, one with (001) surface and the…

Local density calculations of the electronic structure of FeSi, FeSi_{1-x}Al_x and Fe_{1-x}Ir_xSi systems in the B20 structure are presented. Pure FeSi has a semi-conducting gap of 6 mRy at 0 K. Effects of temperature (T) in terms of…

Materials Science · Physics 2016-08-31 T. Jarlborg

We report an extensive study on the intrinsic bulk electronic structure of the high-temperature superconductor CeFeAsO0.89F0.11 and its parent compound CeFeAsO by soft and hard x-ray photoemission, x-ray absorption and soft-x-ray emission…

We present valence electron Compton profiles calculated within the density-functional theory using the all-electron full-potential projector augmented-wave method (PAW). Our results for covalent (Si), metallic (Li, Al) and hydrogen-bonded…

Materials Science · Physics 2007-05-23 I. Makkonen , M. Hakala , M. J. Puska

A scattering method is used to calculate the surface band structure of Al(111) from 8.6 eV below the Fermi level to 9 eV above it. This method has rarely been implemented previously. The complete complex bulk and surface band structure is…

Materials Science · Physics 2011-04-07 M. N. Read

Soft x-ray fluorescence spectroscopy has been employed to obtain information about the Si-derived valence band states of Fe/Si multilayers. The valence band spectra are quite different for films with and without antiferromagnetic interlayer…

Condensed Matter · Physics 2009-10-28 J. A. Carlisle , A. Chaiken , R. P. Michel , L. J. Terminello , J. J. Jia , T. A. Callcott , D. L. Ederer

We propose a novel spectral method for reconstructing quantum wavefunction of an electron pulse, free-electron spectral shearing interferometry (FESSI). We employ a Wien filter to generate two time-delayed replicas of the electron…

Quantum Physics · Physics 2025-08-18 Zhaopin Chen , Bin Zhang , Yiming Pan , Michael Krueger

We report density functional calculations of the electronic structure, Fermi surface, phonon spectrum, magnetism and electron-phonon coupling for the superconducting phase FeSe, as well as the related compounds FeS and FeTe. We find that…

Superconductivity · Physics 2008-10-14 Alaska Subedi , Lijun Zhang , David J. Singh , Mao-Hua Du

Hexagonal FeSe thin films were grown on SrTiO3 substrates and the temperature and thickness dependence of their electronic structures were studied. The hexagonal FeSe is found to be metallic and electron doped, whose Fermi surface consists…

Strongly Correlated Electrons · Physics 2017-10-25 S. Y. Tan , C. H. P. Wen , M. Xia , J. Jiang , Q. Song , B. P. Xie , X. C. Lai , D. L. Feng

The electronic structures of UX$_3$ (X=Al, Ga, and In) were studied by photoelectron spectroscopy to understand the relationship between their electronic structures and magnetic properties. The band structures and Fermi surfaces of UAl$_3$…

The electronic structure of the natural topological semimetal Co$_3$Sn$_2$S$_2$ crystals was studied using near-edge x-ray absorption spectroscopy (NEXAFS) and resonant photoelectron spectroscopy (ResPES). Although, the significant increase…

Here we report the electronic structure of FeS, a recently identified iron-based superconductor. Our high-resolution angle-resolved photoemission spectroscopy studies show two hole-like ($\alpha$ and $\beta$) and two electron-like ($\eta$…

We perform in-plane optical spectroscopy measurement on (00l) FeSe thin-film grown on SrTiO$_3$ substrate by pulsed laser deposition method. The study indicates that the low frequency conductivity consists of two Drude components, a broad…

Superconductivity · Physics 2015-06-15 R. H. Yuan , W. D. Kong , L. Yan , H. Ding , N. L. Wang

In this work, we report linear and non-linear spectroscopic measurements of chemically-grown layered (from one to 37 quintuple layers) and bulk alpha-In2Se3 samples over a photon energy range of 1.0--4 eV, and compare with ab initio density…

Electronic structure of single crystalline Ba(Zn$_{0.875}$Mn$_{0.125}$)$_{2}$As$_{2}$, parent compound of the recently founded high-temperature ferromagnetic semiconductor, was studied by high-resolution photoemission spectroscopy (ARPES).…

Materials Science · Physics 2016-11-14 Fengfeng Zhu , W. X. Jiang , P. Li , Z. Q. Wang , H. Y. Man , Y. Y. Li , Canhua Liu , D. D. Guan , J. F. Jia , F. L. Ning , Weidong Luo , D. Qian