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Related papers: Electronic and optical properties of InAs(110)

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The electronic properties of the cleavage InAs(110) surface are studied using a semi-empirical tight-binding method which employs an extended atomic-like basis set. We calculate the surface electronic band structure which is studied as a…

Materials Science · Physics 2007-05-23 X. Lopez-Lozano , Cecilia Noguez , L. Meza-Montes

The electronic structure of surfaces plays a key role in the properties of quantum devices. However, surfaces are also the most challenging to simulate and engineer. Here, we study the electronic structure of InAs(001), InAs(111), and…

In this paper, we provide a comprehensive theoretical analysis of the electronic structure of InAs(111) surfaces with a special attention paid to the energy region close to the fundamental bandgap. Starting from the bulk electronic…

Materials Science · Physics 2021-03-05 Ivan Vrubel , Dmitry Yudin , Anastasiia Pervishko

We investigated the stable silicon (113) surface with a 3x2ADI reconstruction by ab-initio methods. The ground state properties have been obtained using the density-functional theory. We present the dispersion of the electronic band…

Materials Science · Physics 2009-11-11 Katalin Gaal-Nagy , Giovanni Onida

We studied the electronic band structure of the low-index fcc Ag surfaces (001), (110) and (111), by using the empirical tight-binding method in addition with the surface Green function matching method. We report the energy values for…

Materials Science · Physics 2013-11-26 H. J. Herrera-Suarez , A. Rubio-Ponce , D. Olguin

As a second part of a previous paper, here the calculated electronic band structure of ideal Pt(100) and Pt(110) surfaces, studied using density functional theory and the empirical tight-binding method, is presented. A detailed discussion…

Materials Science · Physics 2015-03-17 H. J. Herrera-Suarez , A. Rubio-Ponce , D. Olguin

The layered structure of the iron based superconductors gives rise to a more or less pronounced two-dimensionality of their electronic structure, most pronounced in LaOFeAs. A consequence are distinct surface states to be expected to…

Superconductivity · Physics 2013-05-29 Helmut Eschrig , Alexander Lankau , Klaus Koepernik

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

We investigate the cleaving behavior of LiFeAs and determine its surface electronic structure by detailed density functional calculations. We show that due to the neutral surface of LiFeAs after cleaving, barely any influence of the surface…

Cryogenic scanning tunneling microscopy was employed in combination with density-functional theory calculations to explore quantum dots made of In adatoms on the InAs(110) surface. Each adatom adsorbs at a surface site coordinated by one…

Mesoscale and Nanoscale Physics · Physics 2025-03-26 Van Dong Pham , Yi Pan , Steven C. Erwin , Stefan Fölsch

A scattering method is used to calculate the surface band structure of Al(111) from 8.6 eV below the Fermi level to 9 eV above it. This method has rarely been implemented previously. The complete complex bulk and surface band structure is…

Materials Science · Physics 2011-04-07 M. N. Read

Rutile RuO$_2$ has attracted significant interest due to its putative unconventional electronic and magnetic properties and its proximity to superconductivity. However, the measurement and interpretation of its electronic structure has been…

The optical properties of the 2$\times$1 reconstruction of the diamond (111) surface are investigated. The electronic structure and optical properties of the surface are studied using a microscopic tight-binding approach. We calculate the…

Condensed Matter · Physics 2009-10-28 Cecilia Noguez , Sergio E. Ulloa

The topographic and electronic structure of cleaved SrTiO3(001) surfaces were studied, employing samples that either had or had not been coated with Ti on their outer surfaces prior to fracture. In both cases, SrO- and TiO2-terminated…

Materials Science · Physics 2015-09-16 Wattaka Sitaputra , Marek Skowronski , Randall M. Feenstra

We studied the electronic structure of high quality Cr(110) films grown on W(110) surface employing photoemission spectroscopy. Experiments on the differently aged samples revealed distinct signatures of the surface and bulk features in the…

Materials Science · Physics 2015-06-25 Khadiza Ali , Shyama R. Varier , Deepnarayan Biswas , Srinivas C. Kandukuri , Kalobaran Maiti

The electronic properties of quasi-one-dimensional anatase TiO2 nanostructures, in the form of thin nanowires having (101) and (001) facets, have been systematically investigated using the standard, hybrid density functional and…

Mesoscale and Nanoscale Physics · Physics 2014-07-08 Hatice Unal , Oguz Gulseren , Sinasi Ellialtioglu , Ersen Mete

We performed a comprehensive angle-resolved photoemission spectroscopy study of the electronic band structure of LaOFeAs single crystals. We found that samples cleaved at low temperature show an unstable and highly complicated band…

Superconductivity · Physics 2016-09-26 P. Zhang , J. Ma , T. Qian , Y. G. Shi , A. V. Fedorov , J. D. Denlinger , X. X. Wu , J. P. Hu , P. Richard , H. Ding

We report on the investigation of the atomic and electronic structures of a clean Si(331)-(12$\times$1) surface using a first-principles approach with both plane wave and strictly localized basis sets. Starting from the surface structure…

Materials Science · Physics 2018-12-31 Ruslan Zhachuk , José Coutinho , Krisztián Palotás

We present a first-principles study of the electronic properties of silicon clathrate nanowires intercalated with various types of alkali or alkaline-earth atoms. We find that the band structure of the nanowires can be tuned by varying the…

Materials Science · Physics 2009-11-11 S. Sirichantaropass , V. M. García-Suárez , C. J. Lambert

We adopt an atomistic pseudopotential description of the electronic structure of self-assembled, lens shaped InAs quantum dots within the ``linear combination of bulk bands'' method. We present a detailed comparison with experiment,…

Materials Science · Physics 2009-10-31 A. J. Williamson , L. W. Wang , Alex Zunger
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