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Related papers: Electronic structure of solid coronene: difference…

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Based on first principles calculations, the electronic structure of CuTeO$_4$ is discussed in the context of superconducting cuprates. Despite some significant crystallographic differences, we find that CuTeO$_4$ is similar to these…

Superconductivity · Physics 2017-03-22 Antia S. Botana , Michael R. Norman

We present a first-principle study of the electronic and conduction properties of a few classes of nanowires constituted of guanine (G) molecules, self-assembled in different geometries. We first analyze the effect of the vertical…

Soft Condensed Matter · Physics 2009-11-10 Arrigo Calzolari , Rosa Di Felice , Elisa Molinari

The search for a superconductor with non-s-wave pairing is important not only for understanding unconventional mechanisms of superconductivity but also for finding new types of quasiparticles such as Majorana bound states. Materials with…

Potassium-doped terphenyl has recently attracted attention as a potential host for high-transition-temperature superconductivity. Here, we elucidate the many-body electronic structure of recently synthesized potassium-doped terphenyl…

Strongly Correlated Electrons · Physics 2022-05-03 John Sous , Natalia A. Gadjieva , Colin Nuckolls , David R. Reichman , Andrew J. Millis

The electronic structure of a new charge-density-wave/ superconductor system, 1T-CuxTiSe2, has been studied by photoemission spectroscopy. A correlated semiconductor band structure is revealed for the undoped case. With Cu doping, the…

Strongly Correlated Electrons · Physics 2009-11-11 J. F. Zhao , H. W. Ou , G. Wu , B. P. Xie , Y. Zhang , D. W. Shen , J. Wei , L. X. Yang , J. K. Dong , M. Arita , H. Namatame , M. Taniguchi , X. H. Chen , D. L. Feng

Light-element compounds hold great promise of high critical temperature superconductivity judging from the theoretical perspective. Hydrogen-rich material, benzene, is such a kind of candidate but also an organic compound. A series of…

Superconductivity · Physics 2018-05-24 Guo-Hua Zhong , Chun-Lei Yang , Xiao-Jia Chen , Hai-Qing Lin

By means of first-principles calculations, we predict two new types of partially hydrogenated graphene systems: C$_{6}$H$_{1}$ and C$_{6}$H$_{5}$, which are shown to be ferromagnetic (FM) semimetal and FM narrow-gap semiconductor,…

Superconductivity · Physics 2016-07-01 Hong-Yan Lu , Lei Hao , Rui Wang , C. S. Ting

We present the first measurement of a one-photon extreme-ultraviolet photoelectron spectrum (PES) of molecules embedded in superfluid helium nanodroplets. The PES of coronene is compared to gas phase and the solid phase PES, and to electron…

Atomic and Molecular Clusters · Physics 2021-12-07 L. Ben Ltaief , M. Shcherbinin , S. Mandal , S. R. Krishnan , R. Richter , S. Turchini , N. Zema , M. Mudrich

We investigate the electronic structures of iron-based superconductors having perovskite-like blocking layers, %Ca$_4$Al$_2$O$_6$Fe$_2$(As$_{1-x}$P$_x$)$_2$ from first principles. Ca$_4$Al$_2$O$_6$Fe$_2$P$_2$ and…

Superconductivity · Physics 2015-05-30 Taichi Kosugi , Takashi Miyake , Shoji Ishibashi

We combine low-temperature scanning tunneling spectroscopy, CO functionalized tips and algorithmic data analysis to investigate the electronic structure of the molecular cycloarene C108 (graphene nanoring) adsorbed on a Au(111) surface. We…

The iron-based LaFeAsO$_{1-x}$F$_x$ recently discovered by Hosono's group is a fresh theoretical challenge as a new class of high-temperature superconductors. Here we describe the electronic structure of the material and the mechanism of…

Superconductivity · Physics 2009-11-13 Hideo Aoki

The recent report of superconductivity in the Cu-doped PbPO compound stimulates the extensive researches on its physical properties. Herein, the detailed atomic and electronic structures of this compound are investigated, which are the…

Superconductivity · Physics 2023-08-09 Jianfeng Zhang , Huazhen Li , Ming Yan , Miao Gao , Fengjie Ma , Xun-Wang Yan , Z. Y. Xie

The possibility of superconducting pairing of electrons in doped graphene due to in-plane and out-of-plane phonons is studied. Quadratic coupling of electrons with out-of-plane phonons is considered in details, taking into account both…

Mesoscale and Nanoscale Physics · Physics 2010-05-27 Yu. E. Lozovik , A. A. Sokolik

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

Electronic structures of undoped and doped cyclic polythiophene (PT) are studied using modified $\sigma$-bond compressibility model. Cyclic PT doped with odd number of bipolarons creates an aromatic polyene backbone containing (4$n$+2)…

Condensed Matter · Physics 2007-05-23 D. Giri , K. Kundu

The layered iron superconductors are discussed using electronic structure calculations. The four families of compounds discovered so far, including Fe(Se,Te) have closely related electronic structures. The Fermi surface consists of…

Superconductivity · Physics 2015-05-13 D. J. Singh , M. H. Du , L. Zhang , A. Subedi , J. An

The recent discovery of superconductivity in hole-doped planar nickelates R1-xSrNiO2 (R=Pr,Nd) raises the foundational question of how the electronic structure and electronic correlations of these Ni1+ compounds compare to those of the Cu2+…

Based on First-principles calculation, we have investigated electronic structure of a ZrCuSiAs structured superconductor LaNiPO. The density of states, band structures and Fermi surfaces have been given in detail. Our results indicate that…

Superconductivity · Physics 2008-06-14 Wei-Bing Zhang , Xiao-Bing Xiao , Wei-Yang Yu , Na Wang , Bi-Yu Tang

We present a combined study of the electronic structure of the superconducting skutterudite derivative SrPt4Ge12 by means of X-ray photoelectron spectroscopy and full potential band structure calculations including an analysis of the…

Intrinsic rhombohedral graphene hosts an unusual low-energy electronic wavefunction, predominantly localized at its outer crystal faces with negligible presence in the bulk. Increasing the number of graphene layers amplifies the density of…