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Planar electrodes patterned on a ferroelectric substrate are shown to provide lateral control of the conductive state of a two-terminal graphene stripe. A multi-level and on-demand memory control of the graphene resistance state is…

Materials Science · Physics 2015-11-17 V. Iurchuk , H. Majjad , F. Chevrier , D. Kundys , B. Leconte , B. Doudin , B. Kundys

Graphene serves as an ideal platform to investigate the microscopic structure and reaction kinetics at the graphitic electrode interfaces. However, graphene is susceptible to various extrinsic factors, e.g. substrate, causing much confusion…

Chemical Physics · Physics 2022-07-19 Ying Xu , You-Bo Ma , Feng Gu , Shan-Shan Yang , Chuan-Shan Tian

We propose a mechanism to control the interaction between adsorbates on graphene. The interaction between a pair of adsorbates---the change in adsorption energy of one adsorbate in the presence of another---is dominated by the interaction…

Mesoscale and Nanoscale Physics · Physics 2013-09-13 Dmitry Solenov , Chad Junkermeier , Thomas L. Reinecke , Kirill A. Velizhanin

We report a theoretical study suggesting a novel type of electronic switching effect, driven by the geometrical reconstruction of nanoscale graphene-based junctions. We considered junction struc- tures which have alternative metastable…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 T. Kawai , M. Poetschke , Y. Miyamoto , C. G. Rocha , S. Roche , G. Cuniberti

The present manuscript summarizes the modern view on the problem of the graphene-metal interaction. Presently, the close-packed surfaces of d metals are used as templates for the preparation of highly-ordered graphene layers. Different…

Materials Science · Physics 2017-08-23 E. N. Voloshina , Yu. S. Dedkov

In this paper, we exploit the metagrating paradigm to achieve coherent control of absorption and reflection in a two-port device. Employing graphene ribbon as a tunable element allows us to, for the first time, realize a reconfigurable…

Optics · Physics 2020-11-11 Ensiye Ghorbanpour , Sahar Behroozinia , Ali Abdolali

Graphene-metal interface as one of the interesting graphene-based objects attracts much attention from both application and fundamental science points of view. This paper gives a timely review of the recent experimental works on the growth…

Materials Science · Physics 2015-07-10 Yuriy Dedkov , Elena Voloshina

Graphene is being increasingly used as an interesting transducer membrane in micro- and nanoelectromechanical systems (MEMS and NEMS, respectively) due to its atomical thickness, extremely high carrier mobility, high mechanical strength and…

Mesoscale and Nanoscale Physics · Physics 2024-10-03 Xuge Fan , Chang He , Jie Ding , Qiang Gao , Hongliang Ma , Max C. Lemme , Wendong Zhang

Graphene, with its unique band structure, mechanical stability, and high charge mobility, holds great promise for next-generation electronics. Nevertheless, its zero band gap challenges the control of current flow through electrical gating,…

Materials Science · Physics 2023-07-13 Tae Soo Kim , Taemin Ahn , Tae-Hwan Kim , Hee Cheul Choi , Han Woong Yeom

Straining graphene results in the appearance of a pseudo-magnetic field which alters its local electronic properties. Applying a pressure difference between the two sides of the membrane causes it to bend/bulge resulting in a resistance…

Mesoscale and Nanoscale Physics · Physics 2017-08-03 S. P. Milovanovic , M. Z. Tadic , F. M. Peeters

$\require{mediawiki-texvc}$ A theoretical study is presented on the in-plane conductance of graphene that is partially sandwiched by Ni(111) slabs with a finite size and atom-scale width of $\approx12.08 \AA$. In the sandwiched part, the…

Mesoscale and Nanoscale Physics · Physics 2023-12-25 Yusuf Wicaksono , Halimah Harfah , Gagus Ketut Sunnardianto , Muhammad Aziz Majidi , Koichi Kusakabe

Creating nanopores in graphene is a powerful tool for engineering its properties. Nanopores in graphene tune their electrical, optical, magnetic, and mechanical properties. However, controlling nanopores formation at the nanoscale level…

Mesoscale and Nanoscale Physics · Physics 2023-05-23 Sidi Abdelmajid Ait Abdelkader , Ismail Benabdallah , Mohammed Amlieh , Abdelouahad El Fatimy

Graphene is an ideal platform to study the coherence of quantum interference pathways by tuning doping or laser excitation energy. The latter produces a Raman excitation profile that provides direct insight into the lifetimes of…

Mesoscale and Nanoscale Physics · Physics 2023-01-24 Xue Chen , Sven Reichardt , Miao-Ling Lin , Yu-Chen Leng , Yan Lu , Heng Wu , Rui Mei , Ludger Wirtz , Xin Zhang , Andrea C. Ferrari , Ping-Heng Tan

Graphene - a monolayer of carbon atoms densely packed into a hexagonal lattice - has one of the strongest possible atomic bonds and can be viewed as a robust atomic-scale scaffold, to which other chemical species can be attached without…

Due to its strong bonds graphene can stretch up to 25% of its original size without breaking. Furthermore, mechanical deformations lead to the generation of pseudo-magnetic fields (PMF) that can exceed 300 T. The generated PMF has opposite…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 Slavisa P. Milovanovic , Francois M. Peeters

We study the electronic properties of rippled freestanding graphene membranes under central load from a sharp tip. To that end, we develop a gauge field theory on a honeycomb lattice valid beyond the continuum theory. Based on the proper…

Mesoscale and Nanoscale Physics · Physics 2013-10-03 James V. Sloan , Alejandro A. Pacheco Sanjuan , Zhengfei Wang , Cedric Horvath , Salvador Barraza-Lopez

In graphene, the valleys represent spin-like quantities and can act as a physical resource in valley-based electronics to novel quantum computation schemes. Here we demonstrate a direct route to tune and read the valley quantum states of…

Mesoscale and Nanoscale Physics · Physics 2012-06-19 Atindra Nath Pal , Vidya Kochat , Arindam Ghosh

We theoretically investigate the manipulation of the quantum anomalous Hall effect (QAHE) in graphene by means of the uniaxial strain. The values of Chern number and Hall conductance demonstrate that the strained graphene in presence of…

Mesoscale and Nanoscale Physics · Physics 2014-01-07 G. S. Diniz , M. R. Guassi , F. Qu

Edge structure of graphene has a significant influence on its electronic properties. However, control over the edge structure of graphene domains on insulating substrates is still challenging. Here we demonstrate edge control of graphene…

The functionalized graphene with induced superconductivity, Zeeman coupling, and finite Rashba spin-orbit coupling is proposed to display topological superconducting phases with Majorana end modes. We obtain the phase diagram of bulk…

Mesoscale and Nanoscale Physics · Physics 2016-01-21 Zhen-Hua Wang , Eduardo V. Castro , Hai-Qing Lin
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