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The magnetic interactions in La{0.70}Ca{0.30}Mn{1-x}Cr{x}O{3} (x = 0.15, 0.50 and 0.70) are investigated by x-ray absorption spectroscopy (XAS), x-ray magnetic circular dichroism (XMCD), high-resolution x-ray powder diffraction, and bulk…

Materials Science · Physics 2012-04-27 H. Terashita , J. C. Cezar , F. M. Ardito , L. F. Bufaical , E. Granado

Systematically studying the crystal, magnetic, and electronic structures of PuGa3 with density functional theory (DFT) reveals the entanglement of the three types of structure. Magnetic structure affects the energy more strongly than…

Materials Science · Physics 2013-07-03 Sven P. Rudin

The subcarbides B12C3 and B13C2 known for their abrasive properties, can be structurally considered as carbon inserted rhombohedral alpha-B12 and expressed as B12{C-C-C} and B12(C-B-C). Using density functional theory DFT computations, the…

Materials Science · Physics 2021-04-07 Samir F. Matar

Recently the Ce-based caged-type compounds having general formula CeT2Al10 (T=Fe, Ru and Os) have generated considerable interest due to the Kondo semiconducting paramagnetic ground state (down to 40 mK) observed in CeFe2Al10 and…

Strongly Correlated Electrons · Physics 2015-06-18 D. T. Adroja , A. D. Hillier , Y. Muro , T. Takabatake , A. M. Strydom , A. Bhattacharyya , A. Daoud-Aladin , J. W. Taylor

The electronic band structures, density of states plots and magnetic moments of Fe$_{2 }$MnSi, Fe$_{2 }$MnAl, and Co$_{2 }$MnGe are studied by using the first principles calculations. The FM solutions using LSDA without \textit{U} show the…

Materials Science · Physics 2014-06-16 Sonu Sharma , Sudhir K. Pandey

The electronic structure of selected rare-earth atoms adsorbed on a free-standing graphene was investigated using methods beyond the conventional density functional theory (DFT+U, DFT+HIA and DFT+ED). The influence of the electron…

Strongly Correlated Electrons · Physics 2016-09-12 Agnieszka L. Kozub , Alexander B. Shick , Frantisek Maca , Jindrich Kolorenc , Alexander I. Lichtenstein

Electronic structure calculations are presented for the well-known CuGeO3 and the recently discovered isostructural CuSiO3 compounds. The magnitude of the dispersion in chain direction is considerably smaller for CuSiO3, whereas the main…

Strongly Correlated Electrons · Physics 2007-05-23 H. Rosner , S. -L. Drechsler , K. Koepernik , R. Hayn , H. Eschrig

The magnetic behavior of the quaternary compounds, RCr2Si2C (R = La, Ce), has been investigated by magnetization (M) and heat-capacity (C) measurements (1.8-300 K) in the bulk polycrystals and nano forms (<1 {\mu}m) obtained by high-energy…

Strongly Correlated Electrons · Physics 2011-11-29 K. Mukherjee , Kartik K. Iyer , E. V. Sampathkumaran

Pressure effects on the electron transport and structure of Nd1-xSrxMnO3 (x = 0.45, 0.5) were investigated in the range from ambient to ~6 GPa. In Nd0.55Sr0.45MnO3, the low-temperature ferromagnetic metallic state is suppressed and a low…

Condensed Matter · Physics 2009-11-10 Congwu Cui , Trevor A. Tyson , Zhiqiang Chen , Zhong Zhong

The electronic structure of the unconventional superconductor UTe$_2$ was studied by resonant photoelectron spectroscopy (RPES) and angle-resolved photoelectron spectroscopy (ARPES) with soft X-ray synchrotron radiation. The partial…

Strongly Correlated Electrons · Physics 2019-09-13 Shin-ichi Fujimori , Ikuto Kawasaki , Yukiharu Takeda , Hiroshi Yamagami , Ai Nakamura , Yoshiya Homma , Dai Aoki

Results of the first principles study on the electronic structure and magnetism of the superconducting weak ferromagnet Y$_4$Co$_3$, are presented. Using the full potential Korringa-Kohn-Rostoker (FP-KKR) method, densities of states,…

Superconductivity · Physics 2011-03-15 Bartlomiej Wiendlocha , Janusz Tobola , Stanislaw Kaprzyk , Andrzej Kolodziejczyk

The anisotropic electronic structure responsible for the antiferromagnetic transition in CeRu$_2$Al$_{10}$ at the unusually high temperature of $T_0$ = 28 K was studied using optical conductivity spectra, Ce 3d X-ray photoemission spectra,…

The electronic structure of the transparent semiconductor In2O3 has been studied by angle resolved photoemission spectroscopy upon deposition of metallic indium and also tin on the surface of the semiconductor. By deposition of metallic…

Materials Science · Physics 2016-03-02 M. Nazarzahdemoafi , F. Titze , S. Machulik , C. Janowitz , Z. Galazka , R. Manzke , M. Mulazzi

In this work using the density functional theory (DFT), we have studied the structural, electronic and magnetic properties of uranium dioxide with antiferromagnetic 1k-, 2k-, and 3k-order structures. Ordinary approximations in DFT, such as…

Materials Science · Physics 2020-08-25 Samira Sheykhi , Mahmoud Payami

Results of crystallographic refinement, the relationship between electron counts and structural stability, and magnetic characterization of YT$_x$Ge$_2$ (T= Cr, Mn, Fe, Co, and Ni) prepared using the arc melting method are presented. These…

Materials Science · Physics 2017-12-25 Lea Gustin , Lingyi Xing , Max T. Pan , Rongying Jin , Weiwei Xie

The structural, elastic, and electronic properties of the very recently discovered ternary silicide superconductor, Li2IrSi3, have been calculated using ab-initio technique. We have carried out the plane-wave pseudopotential approach within…

Superconductivity · Physics 2015-05-12 M. A. Hadi , M. A. Alam , M. Roknuzzaman , M. T. Nasir , A. K. M. A. Islam , S. H. Naqib

Using the density functional tight binding method (DFTB) and the GFN1-xTB (Geometries, Frequencies, and Noncovalent interactions Tight Binding) Hamiltonian, we have investigated the structural, electronic and magnetic properties of vacancy…

Materials Science · Physics 2025-09-25 Taoufik Sakhraoui , František Karlický

We report measurements of inelastic neutron scattering, magnetic susceptibility, magnetization, and the magnetic field dependence of the specific heat for the heavy Fermion compounds Ce$_3$In and Ce$_3$Sn. The neutron scattering results…

The Heavy Fermion state in UPd2Al3 may be approximately described by a dual model where two of the three U- 5f electrons are in a localized state split by the crystalline electric field into two low lying singlets with a splitting energy of…

Strongly Correlated Electrons · Physics 2018-02-02 P. Thalmeier

We investigate the electronic structure and the ferroelectric properties of the recently discovered multiferroic ScFeO$_3$ by means of ab-initio calculations. The $3d$ manifold of Fe in the half-filled configuration naturally favors an…