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Using the local spin-density approximation (LSDA) and the (non self-consistent) GW approach, the (quasi-particle) band structure is calculated for MnTe in zinc-blende geometry. Different parameters characterizing the electronic structure…

Strongly Correlated Electrons · Physics 2015-05-13 A. Fleszar , M. Potthoff , W. Hanke

The experimental observation that vanadate superlattices (LaVO$_3$)$_m$/SrVO$_3$ show ferromagnetism up to room temperature [U.\ L\"uders {\it et al.}, Phys.\ Rev.\ B {\bf 80}, 241102R (2009)] is investigated by means of density functional…

Strongly Correlated Electrons · Physics 2016-12-13 Cosima Schuster , Ulrike Lueders , Udo Schwingenschloegl , Raymond Fresard

We review recent results on the properties of materials with correlated electrons obtained within the LDA+DMFT approach, a combination of a conventional band structure approach based on the local density approximation (LDA) and the…

Strongly Correlated Electrons · Physics 2015-03-13 J. Kunes , I. Leonov , M. Kollar , K. Byczuk , V. I. Anisimov , D. Vollhardt

Despite the large number of theoretical III-V semiconductor studies reported every year, our atomistic understanding is still limited. The limitations of the theoretical approaches to yield accurate structural and electronic properties on…

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 present an approach for calculating the electronic structure and transport properties of nanoscopic conductors that takes into account the dynamical correlations of strongly interacting d- or f-electrons by combining density functional…

Mesoscale and Nanoscale Physics · Physics 2010-11-12 D. Jacob , K. Haule , G. Kotliar

We investigate the vibrational properties of VO2, particularly the low temperature M1 phase by first-principles calculations using the density functional theory as well as Raman spectroscopy. We perform the structural optimization using…

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

Vanadium-based materials AV$_3$Sb$_5$ (A=K, Rb, Cs) with layered kagome lattice structures have drawn great attention recently due to the discoveries of topologically nontrivial band structures, charge density wave states, giant anomalous…

Strongly Correlated Electrons · Physics 2021-12-07 Hai-Yang Ma , Jianpeng Liu

Here, we systematically investigate the structure, phase stability, half-metallicity, and topological electronic structure for a new topological spintronic material NaV2O4. The material has a tetragonal structure with excellent dynamical…

Materials Science · Physics 2021-02-24 Tingli He , Xiaoming Zhang , Tie Yang , Ying Liu , Xuefang Dai , Guodong Liu

The local electronic structure of Nd2CuO4 is determined from ab-initio cluster calculations in the framework of density functional theory. Spin-polarized calculations with different multiplicities enable a detailed study of the charge and…

Superconductivity · Physics 2009-11-11 C. Bersier , S. Renold , E. P. Stoll , P. F. Meier

A variational model for the infra-red spectrum of VO is presented which aims to accurately predict the hyperfine structure within the VO $\mathrm{X}\,^4\Sigma^-$ electronic ground state. To give the correct electron spin splitting of the…

Chemical Physics · Physics 2022-10-25 Qianwei Qu , Sergei N. Yurchenko , Jonathan Tennyson

We report a mean-field theoretical study of a triangular lattice magnet NiGa$_2$S$_4$. Specifically, spiral mean-field theory is applied to a 17-band $d$-$p$ model constructed from the maximally localized Wannier functions. Our…

Strongly Correlated Electrons · Physics 2020-01-20 Takuji Nomura , Yuji Yamamoto , Kenji Yoshii

We provide a full characterization of the spectral properties of spiral spin density wave (SSDW) states which emerge in one-dimensional electron systems coupled to localized magnetic moments or quantum wires with spin-orbit interactions. We…

Strongly Correlated Electrons · Physics 2013-01-14 Dirk Schuricht

Accurate {\it ab initio} calculations have been carried out to study the valence electron removal energies and oscillator strengths of astrophysically important electromagnetic transitions of quadruply ionized vanadium, $V^{4+}$. Many…

Atomic Physics · Physics 2009-11-13 Gopal Dixit , B. K. Sahoo , P. C. Deshmukh , R. K. Chaudhuri , Sonjoy Majumder

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

The influence of Coulomb correlation on magnetic and spectral properties in metallic rutile phase of vanadium dioxide is studied by state of the art LDA+DMFT method. Calculation results in strongly correlated metallic state with an…

Strongly Correlated Electrons · Physics 2015-05-18 A. S. Belozerov , A. I. Poteryaev , V. I. Anisimov

Hybrid functional calculations reveal the Zn-O divacancy in ZnO, consisting of adjacent Zn and O vacancies, as an electrically active defect exhibiting charge states ranging from $2+$ to $2-$ within the band gap. Notably, the divacancy…

Materials Science · Physics 2019-05-16 Y. K. Frodason , K. M. Johansen , A. Alkauskas , L. Vines

The recently discovered van der Waals magnetic semiconductor CrI2 shows promise for spintronic applications. Its electronic and magnetic properties are known to be strongly influenced by electronic correlations. In this work, we employ…

Materials Science · Physics 2024-08-06 Khimananda Acharya , Kai Huang , Evgeny Y. Tsymbal , Tula R. Paudel

LiV2O4 is a spinel-structured compound that stands out as the first known 3d-electron system exhibiting typical heavy fermion behavior. A central question is how such strong mass renormalization emerges in the absence of f-electrons. In…

Strongly Correlated Electrons · Physics 2025-09-10 Min-Yi-Nan Lei , Z. H. Chen , H. T. Wang , Y. Fan , N. Guo , T. X. Jiang , Yanwei Cao , T. Zhang , Rui Peng , Haichao Xu