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The structural, electronic, and magnetic properties of bulk GdCu (CsCl-type) are investigated using spin density functional theory, where highly localized $4f$ orbitals are treated within LDA+$U$ and GGA+$U$ methods. The calculated magnetic…

Strongly Correlated Electrons · Physics 2020-05-29 Vikas Kashid , Ersoy Şaşıoğlu , Gustav Bihlmayer , Alexander B. Shick , Stefan Blügel

Recent experimental studies on Fe substituted spinel CoCr$_{2}$O$_{4}$ have discovered multiple functional properties in the system such as temperature and composition dependent magnetic compensation, tunable exchange bias and…

Materials Science · Physics 2018-08-29 Debashish Das , Subhradip Ghosh

Electronic band structure and optical properties of zinc monochalcogenides with zinc-blende- and wurtzite-type structures were studied using the ab initio density functional method within the LDA, GGA, and LDA+U approaches. Calculations of…

Soft Condensed Matter · Physics 2009-11-13 S. Zh. Karazhanov , P. Ravindran , A. Kjekshus , H. Fjellvag , B. G. Svensson

An approach to analyzing the spinor wave functions that appear in the electronic structure calculations when taking the spin-orbit interaction into account is developed. It is based on the projection analysis of angular parts of wave…

Materials Science · Physics 2024-01-05 A. I. Lebedev

Multi-band Gutzwiller-correlated wave functions reconcile the contrasting concepts of itinerant band electrons versus electrons localized in partially filled atomic shells. The exact evaluation of these variational ground states in the…

Strongly Correlated Electrons · Physics 2007-05-23 W. Weber , J. Buenemann , F. Gebhard

Fe$M_2X_4$ spinels, where $M$ is a transition metal and $X$ is oxygen or sulfur, are candidate materials for spin filters, one of the key devices in spintronics. We present here a computational study of the inversion thermodynamics and the…

Materials Science · Physics 2018-01-25 David Santos-Carballal , Alberto Roldan , Ricardo Grau-Crespo , Nora H. de Leeuw

Ferromagnetic van der Waals (vdW) insulators are of great scientific interest for their promising applications in spintronics. It has been indicated that in the two materials within this class, CrI$_3$ and VI$_3$, the magnetic ground state,…

Strongly Correlated Electrons · Physics 2020-12-15 Asish K. Kundu , Yu Liu , C. Petrovic , T. Valla

Magnetic properties of the silver vanadium phosphate Ag(2)VOP(2)O(7) are studied by means of magnetic susceptibility measurements and electronic structure calculations. In spite of the layered crystal structure suggesting 1D or 2D magnetic…

Strongly Correlated Electrons · Physics 2008-03-27 Alexander A. Tsirlin , Ramesh Nath , Christoph Geibel , Helge Rosner

We investigate the electronic structure of ternary palladates $A$Pd$_3$O$_4$ ($A$ = Sr, Ca) using valence band photoemission spectroscopy and band structure calculations. Overall width of the valence band and energy positions of various…

Strongly Correlated Electrons · Physics 2024-04-25 B. H. Reddy , Asif Ali , Ravi Shankar Singh

Two-dimensional van der Waals (vdW) ferromagnets drive the advancement in spintronic applications and enable the exploration of exotic magnetism in low-dimensional systems. The entanglement of dual $-$ localized and itinerant $-$ nature of…

Strongly Correlated Electrons · Physics 2025-10-06 Deepali Sharma , Neeraj Bhatt , Asif Ali , Rajeswari Roy Chowdhury , Chandan Patra , Ravi Prakash Singh , Ravi Shankar Singh

In the present work, the electronic and vibrational properties of both pristine V$_2$C and fully-terminated V$_2$CT$_2$ (where T = F, O, OH) 2D monolayers are investigated using density functional theory. Firstly, the atomic structures of…

Chemical Physics · Physics 2018-04-04 Aurélie Champagne , Lu Shi , Thierry Ouisse , Benoît Hackens , Jean-Christophe Charlier

Band structure calculations within the local spin-density approximation are presented in order to investigate the electronic and magnetic properties of the zigzag spin-chain compound In$_2$VO$_5$. The essential structural feature of the…

Strongly Correlated Electrons · Physics 2009-11-13 Udo Schwingenschlögl

In this article we review recent work on van der Waals (vdW) systems in which at least one of the components has strong spin-orbit coupling. We focus on a selection of vdW heterostructures to exemplify the type of interesting electronic…

Mesoscale and Nanoscale Physics · Physics 2020-06-04 Enrico Rossi , Christopher Triola

In the present work, we report the experimental thermopower ($\alpha$) data for ZnV$_{2}$O$_{4}$ compound in the high temperature range 300-600 K. The value of $\alpha$ is found to be $\sim$184 and $\sim$126 $\mu$V/K at $\sim$300 and…

Materials Science · Physics 2016-09-30 Saurabh Singh , R. K. Maurya , Sudhir K. Pandey

To realize the creation of advanced multifunctional materials in energy storage and conversion technologies, the present research evaluates the structural, electronic, magnetic, thermodynamic, mechanical, thermoelectric, piezoelectric and…

The study of magnetism in two-dimensional materials has garnered significant interest, driven by fundamental investigations into low-dimensional magnetic phenomena and their potential for applications in spintronic devices. Through…

Strongly Correlated Electrons · Physics 2025-08-18 Yuanji Xu , Xintao Jin , Haoyuan Tang , Fuyang Tian

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…

Materials Science · Physics 2024-06-05 Apurba Sarkar , Joydeep Chatterjee , Arghya Taraphder , Nandan Pakhira

We consider electronic properties of hollandite vanadate K$_2$V$_8$O$_{16}$, a one-dimensional zigzag-chain system of $t_{2g}$ orbitals in a mixed valent state. We first calculate the Madelung energy and obtain the relative stability of…

Strongly Correlated Electrons · Physics 2009-11-13 S. Horiuchi , T. Shirakawa , Y. Ohta

The electronic structure of vanadium measured by Angular Correlation of electron-positron Annihilation Radiation (ACAR) is compared with the predictions of the combined Density Functional and Dynamical Mean-Field Theory (DMFT).…

The electronic structure of Nickel dichalcogenides, NiS$_2$ and NiSe$_2$, in monolayer form, is studied employing first-principles methods. We assess the importance of band ordering, covalency and Coulomb interactions in the ground state of…

Mesoscale and Nanoscale Physics · Physics 2023-12-19 Sergio Bravo , P. A. Orellana , L. Rosales