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We report a comprehensive study of the electronic structure of CeCoGe$_3$ throughout the entire Brillouin zone in the non-magnetic regime using angle-resolved photoemission spectroscopy (ARPES). The electronic structure agrees in large part…

We report the band structures and excitonic properties of delafossites $CuMO_2$ (M = Al, Ga, In, Sc, Y, Cr) calculated using the state-of-the-art $\textit{GW}$-BSE approach. We find that all the delafossites are indirect band gap…

Materials Science · Physics 2017-08-29 Xiaoming Wang , Weiwei Meng , Yanfa Yan

We investigate theoretically the interplay between the effects of a perpendicular electric field and incommensurability at the interface on the electronic properties of a heterostructure of bilayer graphene and a semiconducting substrate…

Mesoscale and Nanoscale Physics · Physics 2016-11-02 D. J. Leech , M. Mucha-Kruczyński

We study the charge-density wave phase in $\textup{TiSe}_2$ by using first principle calculations. We show that, regardless of the local functional used and as long as the cell parameters are in agreement with the experiment,…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Raffaello Bianco , Matteo Calandra , Francesco Mauri

Electronic band structure for electrons bound on periodic minimal surfaces is differential-geometrically formulated and numerically calculated. We focus on minimal surfaces because they are not only mathematically elegant (with the surface…

Materials Science · Physics 2009-11-07 H. Aoki , M. Koshino , D. Takeda , H. Morise

In photonic crystals the propagation of light is governed by their photonic band structure, an ensemble of propagating states grouped into bands, separated by photonic band gaps. Due to discrete symmetries in spatially strictly periodic…

The electronic structure of a single monatomic gold wire is presented for the first time. It has been obtained with state-of-the-art ab-initio full-potential density-functional (DFT) LMTO (linearized muffin-tin orbital) calculations taking…

Materials Science · Physics 2009-10-31 L. De Maria , M. Springborg

Modification of graphene to open a robust gap in its electronic spectrum is essential for its use in field effect transistors and photochemistry applications. Inspired by recent experimental success in the preparation of homogeneous alloys…

Materials Science · Physics 2015-04-21 Sharmila N. Shirodkar , Umesh V. Waghmare , Timothy S. Fisher , Ricardo Grau-Crespo

We study the ground state properties of an ABA-stacked trilayer graphene. The low energy band structure can be described by a combination of both a linear and a quadratic particle-hole symmetric dispersions, reminiscent of monolayer- and…

Mesoscale and Nanoscale Physics · Physics 2012-03-08 Ralph van Gelderen , Lih-King Lim , C. Morais Smith

While non-nitride III-V semiconductors typically have a zincblende structure, they may also form wurtzite crystals under pressure or when grown as nanowhiskers. This makes electronic structure calculation difficult since the band structures…

Mesoscale and Nanoscale Physics · Physics 2013-03-05 Amrit De , Craig E. Pryor

We have studied the electronic band properties of 2H-SiC and 4H-SiC silicon carbide polytypes. The structures of the electronic bands and density of state (DOS) using ab initio Density Functional Theory (DFT) were calculated for the first…

Materials Science · Physics 2021-06-28 A. V. Sinelnik , A. V. Semenov

The crystal structure of a material creates a periodic potential that electrons move through giving rise to the electronic band structure of the material. When two-dimensional materials are stacked, the twist angle between the layers…

Strongly Correlated Electrons · Physics 2020-07-07 Zhiming Zhang , Yimeng Wang , Kenji Watanabe , Takashi Taniguchi , Keiji Ueno , Emanuel Tutuc , Brian J. LeRoy

A key to understand how electrons behave in crystalline solids is the band structure that connects the energy of electron waves to their wavenumber (k). Even in the phase of matter with only short-range order (liquid or amorphous solid),…

Strongly Correlated Electrons · Physics 2025-07-11 Sae Hee Ryu , Minjae Huh , Do Yun Park , Chris Jozwiak , Eli Rotenberg , Aaron Bostwick , Keun Su Kim

Present work provides extensive DFT study of TlReO4 using pseudopotential approach for understanding the structural and vibrational properties and full-potential linearized augmented plane wave method for electronic band structure and…

Materials Science · Physics 2019-06-18 S. Mondal , G. Vaitheeswaran , Daniel Errandonea

Here, we comprehensively investigate the atomic structures and electronic properties of different antiphase boundaries in III-V semiconductors with different orientations and stoichiometries, including {110}, {100}, {111}, {112} and {113}…

Materials Science · Physics 2022-11-09 L. Chen , L. Pedesseau , Y. Léger , N. Bertru , J. Even , C. Cornet

Moving beyond traditional 2D materials is now desirable to have switching capabilities (e.g., transistors). Here we propose using graphyne because, as we will show in this letter, obtaining regions of the electronic bandstructure which act…

Materials Science · Physics 2020-12-16 Xianwei Sha , Clifford M. Krowne

Restructuring of electronic spectrum in a buckled silicene monolayer under some applied voltage between its two sublattices and in presence of certain impurity atoms is considered. A special attention is given to formation of localized…

Disordered Systems and Neural Networks · Physics 2016-01-20 Yuriy G. Pogorelov , Vadim M. Loktev

We report electronic band structure calculations for Sr$_{4}$Ru$_{3}$O$_{10}$ that displays both ferromagnetic and metamagnetic behavior. The density functional calculations find the ground state to be ferromagnetic in agreement with the…

Strongly Correlated Electrons · Physics 2022-04-27 G. Gebreyesus , Prosper Ngabonziza , Jonah Nagura , Nicola Seriani , Omololu Akin-Ojo , Richard M. Martin

Layered indium selenides ($In_{2}Se_{3}$) have recently been discovered to host robust out-of-plane and in-plane ferroelectricity in the $\alpha$ and $\beta$' phases, respectively. In this work, we utilise angle-resolved photoelectron…

Three new novel phases of carbon nitride (CN) bilayer, which are named as \alpha-C$_{2}$N$_{2}$, \beta-C$_{2}$N$_{2}$ and \gamma-C$_{4}$N$_{4}$, respectively, have been predicted in this paper. All of them are consisted of two CN sheets…

Materials Science · Physics 2019-02-01 Wanxing Lin , Shi-Dong Liang , Chunshan He , Wucheng Xie , Haiying He , Quanxiang Mai , Jiesen Li , D. X. Yao