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Related papers: Crystallographic Etching of Few-Layer Graphene

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Graphene-derived nanomaterials are emerging as ideal candidates for postsilicon electronics. Elucidating the electronic interaction between an insulating substrate and few-layer graphene (FLG) films is crucial for device applications. Here,…

Materials Science · Physics 2009-05-08 Sujit S. Datta , Douglas R. Strachan , E. J. Mele , A. T. Charlie Johnson

Graphite is a well-studied material with known electronic and optical properties. Graphene, on the other hand, which is just one layer of carbon atoms arranged in a hexagonal lattice, has been studied theoretically for quite some time but…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 F. Molitor , D. Graf , C. Stampfer , T. Ihn , K. Ensslin

Graphene plasmons are of remarkable features that make graphene plasmon elements promising for applications to integrated photonic devices. The fabrication of graphene plasmon components and control over plasmon propagating are of…

Optics · Physics 2016-04-15 Weiwei Luo , Wei Cai , Wei Wu , Yinxiao Xiang , Mengxin Ren , Xinzheng Zhang , Jingjun Xu

Graphene is considered to be a promising material for future electronics. The envisaged transistor applications often rely on precision cutting of graphene sheets with nanometer accuracy. In this letter we demonstrate graphene-based quantum…

Mesoscale and Nanoscale Physics · Physics 2010-07-27 S. Neubeck , L. A. Ponomarenko , F. Freitag , A. J. M. Giesbers , U. Zeitler , S. V. Morozov , P. Blake , A. K. Geim , K. S. Novoselov

Atomic Force Microscopy (AFM) in the tapping (intermittent contact) mode is a commonly used tool to measure the thickness of graphene and few layer graphene (FLG) flakes on silicon oxide surfaces. It is a convenient tool to quickly…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 P. Nemes-Incze , Z. Osvath , K. Kamaras , L. P. Biro

We show that it is possible to deposit, by mechanical exfoliation on SiO2/Si wafers, atomically thin mica flakes down to a single monolayer thickness. The optical contrast of these mica flakes on top of a SiO2/Si substrate, which depends on…

We demonstrate the local oxidation nanopatterning of graphene films by an atomic force microscope. The technique provides a method to form insulating trenches in graphene flakes and to fabricate nanodevices with sub-nm precision. We…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Lishan Weng , Liyuan Zhang , Yong P. Chen , Leonid P. Rokhinson

Nano-rippled graphene, a structurally modified graphene, presents a novel material with a large range of possible applications including sensors, electrodes, coatings, optoelectronics, spintronics and straintronics. In this work we have…

Mesoscale and Nanoscale Physics · Physics 2015-11-20 Iva Šrut Rakić , Davor Čapeta , Milivoj Plodinec , Marko Kralj

We report nanoscale patterning of graphene using a helium ion microscope configured for lithography. Helium ion lithography is a direct-write lithography process, comparable to conventional focused ion beam patterning, with no resist or…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 D. C. Bell , M. C. Lemme , L. A. Stern , J. R. Williams , C. M. Marcus

Graphene is a truly two-dimensional atomic crystal with exceptional electronic and mechanical properties. Whereas conventional bulk and thin-film materials have been studied extensively, the key mechanical properties of graphene, such as…

Materials Science · Physics 2010-05-25 Dipanjan Sen , Kostya S. Novoselov , Pedro M. Reis , Markus J. Buehler

An atomic force microscope is used to structure a film of multilayer graphene. The resistance of the sample was measured in-situ during nanomachining a narrow trench. We found a reversible behavior in the electrical resistance which we…

Mesoscale and Nanoscale Physics · Physics 2008-07-28 P. Barthold , T. Luedtke , R. J. Haug

Atomic-scale fabrication is an outstanding challenge and overarching goal for the nanoscience community. The practical implementation of moving and fixing atoms to a structure is non-trivial considering that one must spatially address the…

Graphene has recently attracted much interest as a material for flexible, transparent electrodes or active layers in electronic and photonic devices. However, realization of such graphene-based devices is limited due to difficulties in…

Materials Science · Physics 2015-07-21 Sugkyun Cha , Minjeong Cha , Seojun Lee , Jin Hyoun Kang , Changsoon Kim

Interfacing graphene with solid-state devices and maintaining it free of contamination is a crucial step towards a functioning device, be it a semiconductor structure or any other device for technological applications. We take advantage of…

Mesoscale and Nanoscale Physics · Physics 2014-08-27 Jean-Nicolas Longchamp , Conrad Escher , Hans-Werner Fink

Molecular dynamics (MD) simulations were performed to study the formation process of nanopores in a suspended graphene sheet irradiated by using energetic ions though a mask. By controlling the ion parameters including mass, energy and…

Mesoscale and Nanoscale Physics · Physics 2016-03-10 Weisen Li , Li Liang , Shijun Zhao , Shuo zhang , Jianming Xue

Graphene based sheets have stimulated great interest due to their superior mechanical, electrical and thermal properties. A general visualization method that allows quick observation of these single atomic layers would be highly desirable…

Materials Science · Physics 2009-12-15 Jaemyung Kim , Laura J. Cote , Franklin Kim , Jiaxing Huang

Plasma surface modification was used to fabricate graphene on the top of insulating diamond-like carbon films. It is shown that by a combination of pulsed argon plasma treatment and thermal annealing at 350\degreeC is possible to achieve…

Materials Science · Physics 2012-07-05 Savcho Tinchev

Following the discovery of graphene, keen attentions have been paid in comprehending the noticeably superior electromagnetic, optical and absorptive properties of few layer graphene (FLG) with rotational-stacking-faults. With achieving…

Strain-engineered graphene has garnered much attention recently owing to the possibilities of creating substantial energy gaps enabled by pseudo-magnetic fields. While theoretical works proposed the possibility of creating large-area…

Mesoscale and Nanoscale Physics · Physics 2022-05-04 M. Luo , H. Sun , Z. Qi , K. Lu , M. Chen , D. Kang , Y. Kim , D. Burt , X. Yu , C. Wang , Y. D. Kim , H. Wang , Q. -J. Wang , D. Nam

This study reports the successful synthesis of multilayered graphene sheets via microwave atmospheric pressure plasma. This innovative approach streamlines and expedites graphene production and other carbon nanostructures, eliminating the…

Plasma Physics · Physics 2024-03-07 Waqas Iqbal , Najeeb-ur-Rehman , Niaz Wali