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Related papers: Electronic Structure of the Complex Hydride NaAlH4

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A high-throughput screening based on first-principles calculations was performed to search for new ternary inorganic electrides. From the available materials database, we identified three new thermodynamically stable materials…

Materials Science · Physics 2019-02-13 Junjie Wang , Qiang Zhu , Zhenhai Wang , Hideo Hosono

Based on density functional theory calculations, the structural and electronic properties of polythiophene in periodic and oligomer forms have been investigated. In particular, the effects of Li or Cl adsorption onto a monolayer and Li or…

Materials Science · Physics 2015-01-28 T. P. Kaloni , G. Schreckenbach , M. S. Freund

We investigate the electronic structure of the c(4 x 2) reconstructed Ge(001) surface using band structure calculations based on density functional theory and the generalized gradient approximation. In particular, we take into account the…

Materials Science · Physics 2009-11-13 Udo Schwingenschloegl , Cosima Schuster

Spin-polarized DFT has been used to perform a comprehensive study of the geometric structures and electronic properties for isolated M4X4 nano-clusters between their two stable isomers - a planar rhombus-like 2D structure and a cubane-like…

Mesoscale and Nanoscale Physics · Physics 2015-12-29 Soumendu Datta , Badiur Rahaman

Most of the works devoted so far to the electronic band structure of multiwall nanotubes have been restricted to the case where the individual layers have the same helicity. By comparison, much less is known on the electronic properties of…

Condensed Matter · Physics 2009-10-31 Ph. Lambin , V. Meunier , A. Rubio

Two-dimensional (2D) structures of boron atoms so called borophene, have recently attracted remarkable attention. In a latest exciting experimental study, a hydrogenated borophene structure was realized. Motivated by this success, we…

We propose a new layered-ternary Ta4SiC3 with two different stacking sequences ({\alpha}- and {\beta}-phases) of the metal atoms along c axis and study their structural stability. The mechanical, electronic and optical properties are then…

Materials Science · Physics 2015-05-19 M. S. Islam , A. K. M. A. Islam

Here we present the first large scale investigation of electronic properties and correlated magnetism in Ce-based compounds accompanied by a systematic study of the electronic structure and 4f-hybridization function of a large body of Ce…

We present the results of theoretical investigation on the electronic structure, bonding nature and ground state properties of Th$_2$Al and Th$_2$AlH$_4$ using generalized-gradient-corrected first-principles full-potential…

Materials Science · Physics 2009-11-07 P. Vajeeston , R. Vidya , P. Ravindran , H. Fjellvåg , A. Kjekshus , A. Skjeltorp

The electronic structures of epitaxially grown films of Ti3AlC2, Ti3SiC2 and Ti3GeC2 have been investigated by bulk-sensitive soft X-ray emission spectroscopy. The measured high-resolution Ti L, C K, Al L, Si L and Ge M emission spectra are…

A wide variety of experimental results and theoretical investigations in recent years have convincingly demonstrated that several transition metal oxides and other materials, have dominant states that are not spatially homogeneous. This…

Strongly Correlated Electrons · Physics 2009-11-11 Elbio Dagotto

Lithium-rich complex transition-metal oxides Li$_2$MoO$_3$, Li$_2$RuO$_3$, Li$_3$RuO$_4$, Li$_3$NbO$_4$, Li$_5$FeO$_4$, Li$_5$MnO$_4$ and their derivatives are of interest for high-capacity battery electrodes. Here, we report a…

Materials Science · Physics 2019-02-07 Khang Hoang , Myungkeun Oh , Yongki Choi

The electronic structures of element cerium under high pressure remain unclear all the time. We tried to calculate the electronic structures of $\alpha'$, $\alpha"$, and $\epsilon$-Ce which only exist in the presence of pressure, by using…

Strongly Correlated Electrons · Physics 2018-11-02 Haiyan Lu , Li Huang

The rich novel materials class of iron based superconductors turned out to exhibit a very complex electronic structure, despite of the simplicity of their crystal structures. For various approaches to study the instability against magnetic…

Superconductivity · Physics 2013-05-29 H. Eschrig , K. Koepernik

First-principles density functional theory (DFT) calculations of Lu-H-N compounds reveal low-energy configurations of Fm$\overline{3}$m Lu$_{8}$H$_{23-x}$N structures that exhibit novel electronic properties such as flat bands, sharply…

Materials Science · Physics 2024-02-27 Adam Denchfield , Hyowon Park , Russell J. Hemley

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

We perform first-principles calculations of the structural, electronic, mechanical, and thermodynamic properties of thorium hydrides (ThH$_{2}$ and Th$_{4}$H$_{15}$) based on the density functional theory with generalized gradient…

Materials Science · Physics 2015-05-14 Bao-Tian Wang , Ping Zhang , Hongzhou Song , Hongliang Shi , Dafang Li , Wei-Dong Li

The electronic structure in alkaline earth AeO (Ae = Be, Mg, Ca, Sr, Ba) and post-transition metal oxides MeO (Me = Zn, Cd, Hg) is probed with oxygen K-edge X-ray absorption and emission spectroscopy. The experimental data is compared with…

Materials Science · Physics 2012-01-17 J. A. McLeod , R. G. Wilks , N. A. Skorikov , L. D. Finkelstein , M. Abu-Samak , E. Z. Kurmaev , A. Moewes

A theoretical study of the electronic properties of nanodisks and nanocones is presented within the framework of a tight-binding scheme. The electronic densities of states and absorption coefficients are calculated for such structures with…

Mesoscale and Nanoscale Physics · Physics 2013-02-27 P. Ulloa , M. Pacheco , L. E. Oliveira , A. Latge

This study investigates the impacts of structure and composition on the optical and electronic properties of a series of pyridinium-based bismuth iodide complexes. Organic substrates with various functional groups, such as 4-aminopyridine…