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Related papers: Paramagnetic adsorbates on graphene: a charge tran…

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The understanding of atomic adsorption on graphene is of high importance for many advanced technologies. Here we present a complete database of the atomic adsorption energies for the elements of the Periodic Table up to the atomic number 86…

We investigate a nanoscale dielectric capacitor model consisting of two-dimensional, hexagonal h-BN layers placed between two commensurate and metallic graphene layers using self-consistent field density functional theory. The separation of…

Mesoscale and Nanoscale Physics · Physics 2013-07-30 V. Ongun Özçelik , S. Ciraci

Adsorbed noble gas atoms donate (on the average) a fraction of an electronic charge to the substrate metal. The effect has been experimentally observed as an adsorptive change in the electronic work function. The connection between the…

Condensed Matter · Physics 2009-10-31 A. Widom , M. S. Tomassone , Y. N. Srivastava , M. Hannout

Interaction with electron donor and acceptor molecules such as aniline and nitrobenzene brings about marked changes in the Raman spectrum and the electronic structure of graphene, prepared by the exfoliation of graphitic oxide.

Materials Science · Physics 2008-05-29 Barun Das , Rakesh Voggu , Chandra Sekhar Rout , C. N. R. Rao

A transfer matrix method is developed for optical calculations of non-interacting graphene layers. Within the framework of this method, optical properties such as reflection, transmission and absorption for single-, double- and multi-layer…

Mesoscale and Nanoscale Physics · Physics 2013-05-10 Tianrong Zhan , Xi Shi , Yunyun Dai , Xiaohan Liu , Jian Zi

We study the charge transfer between a quasi-free-standing monolayer graphene, produced by hydrogen intercalation, and surface acceptor states. We consider two models of acceptor density of states to explain the high hole densities observed…

Materials Science · Physics 2011-07-26 S. Kopylov , V. I. Fal'ko , Th. Seyller

The issues raised in the comment by T.A. Manz are addressed through the presentation of calculated atomic charges for NaF, NaCl, MgO, SrTiO$_3$ and La$_2$Ce$_2$O$_7$, using our previously presented method for calculating Hirshfeld-I charges…

Materials Science · Physics 2013-11-15 D. E. P. Vanpoucke , I. Van Driessche , P. Bultinck

Ultrathin polymer-graphene heterostructures are promising materials for next generation optoelectronic and photovoltaic technologies, while the influence of the polymer's structural variation on interfacial charge transfer remains unclear.…

Materials Science · Physics 2025-12-25 Yosra Mater , Salih Demirci , V. Ongun Özçelik

When an ionic liquid adsorbs onto a porous electrode, its ionic arrangement is deeply modified due to a screening of the Coulombic interactions by the metallic surface and by the confinement imposed upon it by the electrode's morphology. In…

Hybrid interfaces formed by inorganic semiconductors and organic molecules are intriguing materials for opto-electronics. Interfacial charge transfer is primarily responsible for their peculiar electronic structure and optical response.…

Materials Science · Physics 2020-04-15 Matheus Jacobs , Jannis Krumland , Ana M. Valencia , Haiyuan Wang , Mariana Rossi , Caterina Cocchi

Transition metal dichalcogenides like MoS2 can exist many phases like the semiconducting 2H and the metallic 1T phases which have shown intriguing properties for energy and electrocatalytic applications. However, the 2H and 1T phases…

Applied Physics · Physics 2019-10-10 Qingqing Ke , Xiao Zhang , Abdelnaby M. Elshahawy , Yating Hu , Qiyuan He , Yongqing Cai , John Wang

We investigate the possibility of non-destructive electron diffraction imaging of a single molecule to determine its structure. The molecular specimen will be held on a free-standing sheet of graphene. Due to the high conductivity of…

Chemical Physics · Physics 2009-11-13 E. E. Fill , F. Krausz , M. Raizen

The near-field Coulomb interaction between a nano-emitter and a graphene monolayer results in strong F\"orster-type resonant energy transfer and subsequent fluorescence quenching. Here, we investigate the distance dependence of the energy…

Though weak surface interactions and adsorption can play an important role in plasma processing and materials science, they are not necessarily simple to model. A boron adatom adsorbed on a graphene sheet serves as a case study for how…

Computational Physics · Physics 2024-01-08 S. Jubin , A. Rau , Y. Barsukov , S. Ethier , I. D. Kaganovich

It is important to understand the electronic interaction between single-walled carbon nanotubes (SWNTs) and graphene in order to use them efficiently in multifunctional hybrid devices. Here we deposited SWNT bundles on graphene-covered…

Materials Science · Physics 2014-08-21 Rahul Rao , Neal Pierce , Archi Dasgupta

In this work, a method is described to extend the iterative Hirshfeld-I method, generally used for molecules, to periodic systems. The implementation makes use of precalculated pseudo-potential based charge density distributions, and it is…

Materials Science · Physics 2013-11-15 D. E. P. Vanpoucke , P. Bultinck , I. Van Driessche

We describe the so-called "Lambda-Zeeman method" to investigate individual hyperfine transitions between Zeeman sublevels of atoms in an external magnetic field of 0.1 mT - 0.25 T. Atoms are confined in a nanocell with thickness L = Lambda,…

The difficulty in determining the mass of a sample increases as its size diminishes. At the nanoscale, there are no direct methods for resolving the mass of single molecules or nanoparticles and so more sophisticated approaches based on…

Materials Science · Physics 2015-06-03 Stas M. Avdoshenko , Claudia Gomes da Rocha , Gianaurelio Cuniberti

We study the behavior of charge carriers in graphene in inhomogeneous perpendicular magnetic fields. We consider two types of one-dimensional magnetic profiles, uniform in one direction: a sequence of N magnetic barriers, and a sequence of…

Mesoscale and Nanoscale Physics · Physics 2009-01-27 L. Dell'Anna , A. De Martino

The problem of electrostatic screening of a charged line by undoped or weakly doped graphene is treated beyond the linear-response theory. The induced electron density is found to be approximately doping independent, n(x)~(log x)^2/x^2, at…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Bor-Yuan Jiang , Michael M. Fogler