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In the framework of the LSDA+U method electronic structure and magnetic properties of the intermetallic compound Gd2Fe17 for both rhombohedral and hexagonal phases have been calculated. On top of that, ab initio exchange interaction…

Strongly Correlated Electrons · Physics 2009-09-18 A. V. Lukoyanov , E. E. Kokorina , M. V. Medvedev , I. A. Nekrasov

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.…

Materials Science · Physics 2015-10-05 G. E. Grechnev , A. A. Lyogenkaya , O. V. Kotlyar , A. S. Panfilov , V. P. Gnezdilov

The structural, electronic and optical properties of nearly ferromagnetic compound HfZn2 have been studied using ab-initio technique. We have carried out the plane-wave pseudopotential approach within the framework of the first-principles…

Materials Science · Physics 2016-05-17 Md. Atikur Rahman , Md. Afjalur Rahman , Md. Zahidur Rahaman

The structural electronic and optical properties of intermetallic compound MgRh were investigated by using the ab-initio technique from CASTEP code. In this study we have carried out the pseudo-potential plane-wave (PP-PW) method based on…

Materials Science · Physics 2015-12-08 Md. Lokman Ali , Md. Zahidur Rahaman , Md. Atikur Rahman , Md. Afjalur Rahman

The Ce$_2$Fe$_{17}$ intermetallic compound has been studied intensely for several decades; its low-temperature state is reported experimentally either as ferromagnetic or antiferromagnetic by different authors, with a measured ordering…

Materials Science · Physics 2022-02-17 Alena Vishina , Olle Eriksson , Olga Yu. Vekilova , Anders Bergman , Heike C. Herper

We present a comparative electronic structure study using DFT and various beyond-DFT (DFT+$U$, $G_0W_0$, DFT+DMFT) methods for ferromagnetic Iron (Fe) to find better approach for describing the spectral properties of correlated magnetic…

Strongly Correlated Electrons · Physics 2021-01-01 Antik Sihi , Sudhir K. Pandey

Optical properties of ferromagnetic half-metallic full-Heusler Co$_{2}$FeGe alloy are investigated experimentally and theoretically. Co$_{2}$FeGe thin films were obtained by DC magnetron sputtering and show the saturation magnetization at…

Materials Science · Physics 2015-06-11 N. V. Uvarov , Y. V. Kudryavtsev , A. F. Kravets , A. Ya. Vovk , R. P. Borges , M. Godinho , V. Korenivski

Electronic structure and magnetic properties for iron-selenide KFe$_2$Se$_2$ are studied by first-principles calculations. The ground state is stripe-like antiferromagnetic with calculated 2.26 $\mu_B$ magnetic moment on Fe atoms; and the…

Superconductivity · Physics 2015-05-20 Chao Cao , Jianhui Dai

Angle-resolved photoemission measurements have been performed on Bi2Ir2O7 single crystals, a prototypical example of the pyrochlore iridates. The density of states, the Fermi surface, and the near Fermi level band dispersion in the plane…

Strongly Correlated Electrons · Physics 2013-11-14 Q. Wang , Y. Cao , X. G. Wan , J. D. Denlinger , T. F. Qi , O. B. Korneta , G. Cao , D. S. Dessau

The electronic structure of CrO_2 is critically discussed in terms of the relation of existing experimental data and well converged LSDA and GGA calculations of the electronic structure and transport properties of this half metal magnet,…

Materials Science · Physics 2009-10-31 I. I. Mazin , D. J. Singh , Claudia Ambrosch-Draxl

Atomic, electronic, and magnetic structure of LaSrCo$_{1/2}$Fe$_{1/2}$O$_4$ mixed-metal Ruddlesden-Popper oxide is investigated theoretically using self-consistent ACBN0 DFT + $U$ approach. We show that the electronic and magnetic…

The magnetic properties in the parent compounds are often intimately related to the microscopic mechanism of superconductivity. Here we report the first direct measurements on the electronic structure of a parent compound of the newly…

The magnetic moments per Fe atom in high-$T{_\textrm{c}}$ iron-based superconducting compounds, BaFe$_{2}$As$_{2}$ and LaFeAsO obtained from the first-principles calculation with local-spin-density approximation are much larger than those…

Strongly Correlated Electrons · Physics 2014-07-22 Jae Kyung Jang , Joo Yull Rhee

By means of density functional theory the electronic structure of the MgB2 superconductor was characterised and compared with that of the related iso-structural systems: AlB2, ZrB2, NbB2, and TaB2. Using the full-potential linearized…

Superconductivity · Physics 2009-11-07 Pablo de la Mora , Miguel Castro , Gustavo Tavizon

We study the structural, electronic, and magnetic properties of Co$_2$ZAl compounds employing a pseudopotential electronic bandstructure method. The stability of the compounds is established through the formation and cohesive energy…

Materials Science · Physics 2020-08-11 Sashi Nepal , Ramesh Dhakal , Iosif Galanakis

Based on experimental crystallographic data, electronic structure of UGe$_2$ have been calculated and compared with our results of X-ray photoelectron spectroscopy (XPS) measurements. We employed two different advanced full potential (FP)…

Materials Science · Physics 2025-04-01 M. Samsel-Czekała , M. Werwiński , A. Szajek , G. Chełkowska , R. Troć

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

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

Structural, elastic, electronic and optical properties of laves phase intermetallic compounds CaRh2 and LaRh2 prototype with MgCu2 are investigated by using the first principle calculations. These calculations stand on density functional…

Materials Science · Physics 2017-09-22 Md. Zahidur Rahaman , Md. Atikur Rahman

Electronic structure of bcc Np, fcc Pu, Am, and Cm pure metals under pressure has been investigated employing the LDA+U method with spin-orbit coupling (LDA+U+SO). Magnetic state of the actinide ions was analyzed in both LS and jj coupling…

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