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Intercalation reactions modify the charge density in van der Waals (vdW) materials through coupled electronic-ionic charge accumulation, and are susceptible to modulation by interlayer hybridization in vdW heterostructures. Here, we…

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)…

We investigate magnetic, charge and transport properties of hexagonal graphene nanoflakes (GNFs) connected to two metallic leads by using the functional renormalization group (fRG) method. The interplay between the on-site and long-range…

Strongly Correlated Electrons · Physics 2021-12-30 V. S. Protsenko , A. A. Katanin

Engineering superlattices (SLs) - which are spatially periodic potential landscapes for electrons - is an emerging approach for the realization of exotic properties, including superconductivity and correlated insulators, in two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2024-12-19 Vinay Kammarchedu , Derrick Butler , Asmaul Smitha Rashid , Aida Ebrahimi , Morteza Kayyalha

Flat band moir\'e graphene systems have emerged as a quintessential platform to investigate correlated phases of matter. A plethora of interaction-driven ground states have been proposed, and yet despite extensive experimental effort, there…

Vertical stacking of monolayers via van der Waals assembly is an emerging field that opens promising routes toward engineering physical properties of two-dimensional (2D) materials. Industrial exploitation of these engineering…

The \textquotedblleft ferron\textquotedblright\ excitations of the electric-dipolar order carry energy as well as electric dipoles. Here we predict a nonlocal ferron drag effect in a ferroelectric on top of a metallic film: An electric…

Mesoscale and Nanoscale Physics · Physics 2023-04-05 Ping Tang , Ken-ichi Uchida , Gerrit E. W. Bauer

We calculate dc-conductivities of ballistic graphene undulated by a overlying moving unidirectional electrical superlattice (SL) potential whose SL-velocity is smaller than the electron velocity. We obtain no dependence of the conductivity…

Mesoscale and Nanoscale Physics · Physics 2013-05-30 Jürgen Dietel , Hagen Kleinert

A range of twist angles between adjacent surfaces/volumes are intrinsic to natural graphite or artificially design in multi-layer graphene. In addition, stacking faults can be created by the application of mechanic, electric or magnetic…

Mesoscale and Nanoscale Physics · Physics 2025-12-15 Nadina Gheorghiu , Charles R. Ebbing , George Y. Panasyuk , Timothy J. Haugan

Ever since the discovery of graphene and subsequent explosion of interest in single atom thick materials, studying their mechanical properties has been an active area of research. New length scales often necessitate a rethinking of physical…

Hot electron effects in graphene are significant because of graphene's small electronic heat capacity and weak electron-phonon coupling, yet the dynamics and cooling mechanisms of hot electrons in graphene are not completely understood. We…

The differential conductance of graphene is shown to exhibit a zero-bias anomaly at low temperatures, arising from a suppression of the quantum corrections due to weak localization and electron interactions. A simple rescaling of these…

Mesoscale and Nanoscale Physics · Physics 2018-03-18 R. Somphonsane , H. Ramamoorthy , G. He , J. Nathawat , S. Yin , J. P. Bird , C. -P. Kwan , N. Arabchigavkani , B. Barut , M. Zhao , Z. Jin , J. Fransson

The coupling of mechanical deformation and electrical stimuli at the nanoscale has been a subject of intense investigation in the realm of materials science. Recently, twisted van der Waals (vdW) materials have emerged as a platform to…

Mesoscale and Nanoscale Physics · Physics 2024-12-30 Hanhao Zhang , Yuanhao Wei , Yuhao Li , Shengsheng Lin , Jiarui Wang , Takashi Taniguchi , Kenji Watanabe , Jiangyu Li , Yi Shi , Xinran Wang , Yan Shi , Zaiyao Fei

Electron transport in nanoscale devices can often result in nontrivial spatial patterns of voltage and current that reflect a variety of physical phenomena, particularly in nonlocal transport regimes. While numerous techniques have been…

The motion of the charged particles in graphen in the frame of the quantum non-local hydrodynamic description is considered. It is shown as results of the mathematical modeling that the mentioned motion is realizing in the soliton forms.…

General Physics · Physics 2012-11-28 Boris V. Alexeev , Irina V. Ovchinnikova

Dominating electron-electron scattering enables viscous electron flow exhibiting hydrodynamic current density patterns such as Poiseuille profiles or vortices. The viscous regime has recently been observed in graphene by non-local transport…

The one-dimensional side gate based on graphene edges shows a significant capability of reducing the channel length of field-effect transistors, further increasing the integration density of semiconductor devices. The nano-scale electric…

Transport measurements on few layer graphene (FLG) are important as they interpolate between the properties of single layer graphene (SLG) as a true 2-dimensional material and the 3-dimensional bulk properties of graphite. In this article…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 T. Maassen , F. K. Dejene , M. H. D. Guimarães , C. Józsa , B. J. van Wees

Electronic band structures in hydrogenated graphene are theoretically investigated by means of first-principle calculations and an effective tight-binding model. It is shown that regularly designed hydrogenation to graphene gives rise to a…

Mesoscale and Nanoscale Physics · Physics 2024-08-05 Yong-Cheng Jiang , Toshikaze Kariyado , Xiao Hu

We report measurements of disordered graphene probed by both a high electric field and a high magnetic field. By apply a high source-drain voltage Vsd, we are able to study the current-voltage relation I-Vsd of our device. With increasing…

Mesoscale and Nanoscale Physics · Physics 2013-10-29 Shun-Tsung Lo , Chiashain Chuang , R. K. Puddy , T. -M. Chen , C. G. Smith , C. -T. Liang