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Related papers: Electronic Structure of Amorphous Copper Iodide: A…

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Zincblende copper iodide has been attracting growing interest as p-type semiconductor for applications in transparent electronics and transparent thermoelectrics. A key step towards technological applications is the possibility to enhance…

Materials Science · Physics 2022-12-22 Michael Seifert , Miguel A. L. Marques , Silvana Botti

The electronic structure of Me[N(CN)$_2$]$_2$ (Me=Mn, Fe, Co, Ni, Cu) molecular magnets has been investigated using x-ray emission spectroscopy (XES) and x-ray photoelectron spectroscopy (XPS) as well as theoretical density-functional-based…

The low-energy electronic structure of the trilayer cuprate superconductor Bi$_2$Sr$_2$Ca$_2$Cu$_3$O$_{10+\delta}$ near optimal doping is investigated by angle-resolved photoemission spectroscopy. The normal state quasiparticle dispersion…

The electronic structure of quasi-one-dimensional superconductor K$_2$Cr$_3$As$_3$ is studied through systematic first-principles calculations. The ground state of K$_2$Cr$_3$As$_3$ is paramagnetic but very close to a ferromagnetic…

Superconductivity · Physics 2015-11-03 Hao Jiang , Guanghan Cao , Chao Cao

The electronic structure of nanocrystalline (nc-) TiC/amorphous C nanocomposites has been investigated by soft x-ray absorption and emission spectroscopy. The measured spectra at the Ti 2p and C 1s thresholds of the nanocomposites are…

Mesoscale and Nanoscale Physics · Physics 2011-12-30 Martin Magnuson , Erik Lewin , Lars Hultman , Ulf Jansson

We investigate the confined states and transport of three-dimensional Weyl electrons around a one-dimensional external rectangular electrostatic potential. Confined states with finite transverse wave vector exist at energies higher than the…

Mesoscale and Nanoscale Physics · Physics 2016-09-30 Wen-Long You , Xue-Feng Wang , Andrzej M. Oleś , Jiao-Jiao Zhou

The electronic structures of ThCr$_2$Si$_2$ structure BaCu$_2$As$_2$ and SrCu$_2$As$_2$ are investigated using density functional calculations. The Cu $d$ orbitals are located at 3 eV and higher binding energy, and are therefore chemically…

Superconductivity · Physics 2009-04-04 D. J. Singh

We investigate the electronic structure of the metallic NiS$_{1-x}$Se$_x$ system using various electron spectroscopic techniques. The band structure results do not describe the details of the spectral features in the experimental spectrum,…

Strongly Correlated Electrons · Physics 2009-10-31 S. R. Krishnakumar , N. Shanthi , Priya Mahadevan , D. D. Sarma

In unconventional superconductors, it is generally believed that understanding the physical properties of the normal state is a pre-requisite for understanding the superconductivity mechanism. In conventional superconductors like niobium or…

Electronic structure calculations using the augmented spherical wave method have been performed for CuRhO2. For this semiconductor crystallizing in the delafossite structure, it is found that the valence band maximum is mainly due to the 4d…

Strongly Correlated Electrons · Physics 2009-09-03 Antoine Maignan , Volker Eyert , Christine Martin , Stefan Kremer , Raymond Fresard , Denis Pelloquin

Using ab-initio calculations, we study the electronic structure of gallium-doped germanium, which was found recently to be a superconductor, with a critical temperature of 0.5 Kelvins, and a particularly low density of Cooper pairs. The…

Materials Science · Physics 2015-05-13 S. Lebegue

Optical and electronic phenomena in solids arise from the behaviour of electrons and holes (unoccupied states in a filled electron sea). Electron-hole symmetry can often be invoked as a simplifying description, which states that electrons…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Pablo Jarillo-Herrero , Sami Sapmaz , Cees Dekker , Leo P. Kouwenhoven , Herre S. J. van der Zant

A theoretical study proposes the atomic configuration of electron-beam irradiated C$_{60}$ thin films. We examined the electronic structure and electron-transport properties of the C$_{60}$ clusters using density-functional calculations and…

Materials Science · Physics 2015-05-28 Tomoya Ono , Shigeru Tsukamoto

Quasiparticle interference (QPI) in spectroscopic imaging scanning tunneling microscopy provides a powerful method to detect orbital band structures and orbital ordering patterns in transition metal oxides. We use the $T$-matrix formalism…

Strongly Correlated Electrons · Physics 2010-05-05 Wei-Cheng Lee , D. P. Arovas , Congjun Wu

Covellite (CuS) is the first known natural mineral superconductor. Despite its simple chemical formula, covellite exhibits a rich crystal structure at the origin of several remarkable properties. The ionic arrangement in CuS crystals leads…

A review of the phenomenology and microscopy of cuprate superconductors is presented, with particular attention to universal conductance features, which reveal the existence of two electronic subsystems. The overall electronic system…

Superconductivity · Physics 2022-04-08 Neven Barišić , Denis K. Sunko

Metallic conductors that are optically transparent represent a rare breed of generally contraindicated physical properties that are nevertheless critically needed for application where both functionalities are crucial. Such rare materials…

Materials Science · Physics 2019-06-26 Feng Yan , Xiuwen Zhang , Yonggang Yu , Liping Yu , Arpun Nagaraja , Thomas O. Mason , Alex Zunger

The alignment of the Fermi level of a metal electrode within the gap of the highest occupied and lowest unoccupied orbital of a molecule is a key quantity in molecular electronics. Depending on the type of molecule and the interface…

Materials Science · Physics 2015-06-25 Robert Stadler

The mechanism determining the band alignment of the amorphous/crystalline Si heterostructures is addressed with direct atomistic simulations of the interface performed using a hierarchical combination of various computational schemes…

Materials Science · Physics 2016-08-31 Maria Peressi , Luciano Colombo , Stefano de Gironcoli

The optical properties of KFe$_2$As$_2$ have been measured for light polarized in the a-b planes over a wide temperature and frequency range. Below $T^\ast\simeq 155$ K, where this material undergoes an incoherent-coherent crossover, we…

Superconductivity · Physics 2017-11-22 Run Yang , Zhiping Yin , Yilin Wang , Yaomin Dai , Hu Miao , Bing Xu , Xianggang Qiu , Christopher C. Homes
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