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The electronic transport properties of single layer graphene having a dilute coating of indium adatoms has been investigated. Our studies establish that isolated indium atoms donate electrons to graphene and become a source of charged…

Mesoscale and Nanoscale Physics · Physics 2019-12-11 U. Chandni , Erik A. Henriksen , J. P. Eisenstein

Hydrogen adatoms and other species covalently bound to graphene act as resonant scattering centers affecting the electronic transport properties and inducing Anderson localization. We show that attractive interactions between adatoms on…

Mesoscale and Nanoscale Physics · Physics 2014-12-11 Fernando Gargiulo , Gabriel Autès , Naunidh Virk , Stefan Barthel , Malte Rösner , Lisa R. M. Toller , Tim O. Wehling , Oleg V. Yazyev

The electron-transport properties of adatom-graphene system are investigated for different (random, correlated, and ordered) spatial configurations of adatoms over different types of high symmetry sites with various adsorption heights. K…

Mesoscale and Nanoscale Physics · Physics 2016-02-02 T. M. Radchenko , V. A. Tatarenko , I. Yu. Sagalianov , Yu. I. Prylutskyy , P. Szroeder , S. Biniak

Electronic transport properties of monolayer graphene with extreme physical bending up to 90o angle are studied using ab Initio first-principle calculations. The importance of key structural parameters including step height, curvature…

Quantum Physics · Physics 2011-01-31 Haiyuan Gao , Yang Xu , Meijiao Li , Zhendong Guo , Hongshen Chen , Zhonghe Jin , Bin Yu

Electronic and transport properties of Graphene, a one-atom thick crystalline material, are sensitive to the presence of atoms adsorbed on its surface. An ensemble of randomly positioned adatoms, each serving as a scattering center, leads…

Materials Science · Physics 2015-05-13 V. V. Cheianov , V. I. Fal'ko , O. Syljuasen , B. L. Altshuler

The electronic transport of monolayer graphene devices is studied before and after \emph{in situ} deposition of a sub-monolayer coating of osmium adatoms. Unexpectedly, and unlike all other metallic adatoms studied to date, osmium adatoms…

Mesoscale and Nanoscale Physics · Physics 2019-12-11 Jamie A. Elias , Erik A. Henriksen

The electronic properties of graphene decorated with Ni, Co, Cu and Zn adatoms is studied with the density functional theory approach. Within the analysis the spin-orbit interaction is taken into account. We focus on the case when the…

Applied Physics · Physics 2019-03-01 Malgorzata Wawrzyniak-Adamczewska

Interactions of magnetic elements with graphene may lead to various electronic states that have potential applications. We report an in-situ experiment in which the quantum transport properties of graphene are measured with increasing…

Mesoscale and Nanoscale Physics · Physics 2018-08-21 Chaoyi Cai , Jian-Hao Chen

We study electron transport properties of a monoatomic graphite layer (graphene) with different types of disorder. We show that the transport properties of the system depend strongly on the character of disorder. Away from half filling, the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 P. M. Ostrovsky , I. V. Gornyi , A. D. Mirlin

We present a comparative study of high carrier density transport in mono-, bi-, and trilayer graphene using electric-double-layer transistors to continuously tune the carrier density up to values exceeding 10^{14} cm^{-2}. Whereas in…

Mesoscale and Nanoscale Physics · Physics 2016-07-13 J. T. Ye , M. F. Craciun , M. Koshino , S. Russo , S. Inoue , H. T. Yuan , H. Shimotani , A. F. Morpurgo , Y. Iwasa

Folded single layer graphene forms a system of two decoupled monolayers being only a few Angstroms apart. Using magnetotransport measurements we investigate the electronic properties of the two layers conducting in parallel. We show a…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 H. Schmidt , T. Luedtke , P. Barthold , R. J. Haug

Using first-principles calculations based on density functional theory and non-equilibrium Green's functions, we characterized the effect of surface termination on the electronic transport properties of nanoscale Cu slabs. With ideal, clean…

Materials Science · Physics 2018-05-07 David M. Guzman , Alejandro Strachan

Decorating two-dimensional materials with transition-metal adatoms is an effective way to bring about new physical properties that are intriguing for applications in electronics and spintronics devices. Here, we systematically studied the…

Materials Science · Physics 2025-02-26 Min Gao , Jun Hu

The chapter generalizes results on influence of uniaxial strain and adsorption on the electron states and charge transport or localization in graphene with different configurations of imperfections (point defects): resonant (neutral)…

Motivated by a recent experiment reporting on the possible application of graphene as sensors, we calculate transport properties of 2D graphene monolayers in the presence of adsorbed molecules. We find that the adsorbed molecules, acting as…

Mesoscale and Nanoscale Physics · Physics 2007-11-16 E. H. Hwang , S. Adam , S. Das Sarma

The effects of surface polar phonons on electronic transport properties of monolayer graphene are studied by using a Monte Carlo simulation. Specifically, the low-field electron mobility and saturation velocity are examined for different…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 X. Li , E. A. Barry , J. M. Zavada , M. Buongiorno Nardelli , K. W. Kim

The influence of electron-electron scattering on the distribution function and transport characteristics of intrinsic monolayer graphene is investigated via an ensemble Monte Carlo simulation. Due to the linear dispersion relation in the…

Mesoscale and Nanoscale Physics · Physics 2010-05-18 X. Li , E. A. Barry , J. M. Zavada , M. Buongiorno Nardelli , K. W. Kim

Adatom-decorated graphene offers a promising new path towards spintronics in the ultrathin limit. We combine experiment and theory to investigate the electronic properties of dilutely fluorinated bilayer graphene, where the fluorine adatoms…

Mesoscale and Nanoscale Physics · Physics 2015-10-07 Adam A. Stabile , Aires Ferreira , Jing Li , N. M. R. Peres , J. Zhu

Early experiments on alkali-doped graphene demonstrated that the dopant adatoms modify the conductivity of graphene significantly, as extra carriers enhance conductivity while Coulomb scattering off the adatoms suppresses it. However,…

Mesoscale and Nanoscale Physics · Physics 2019-11-06 Ali Khademi , Kristen Kaasbjerg , Pinder Dosanjh , Alexander Stöhr , Stiven Forti , Ulrich Starke , Joshua A. Folk

Graphene decorated with 5d transitional metal atoms is predicted to exhibit many intriguing properties; for example iridium adatoms are proposed to induce a substantial topological gap in graphene. We extensively investigated the…

Mesoscale and Nanoscale Physics · Physics 2016-04-18 Yilin Wang , Shudong Xiao , Xinghan Cai , Wenzhong Bao , Janice Reutt-Robey , Michael S. Fuhrer
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