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Related papers: Atomic Layer Deposition of Metal Oxides on Pristin…

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Surface plasmon resonance of metal nanostructures has broad application prospects in the fields of photocatalysis, optical sensing, biomarkers and surface-enhanced Raman scattering. This paper reports a graphene-assisted method for…

Applied Physics · Physics 2019-12-06 Yibo Dong , Yiyang Xie , Liangchen Hu , Chen Xu , Weiling Guo , Guanzhong Pan , Qiuhua Wang , Fengsong Qian , Jie Sun

Graphene, being an ultrathin, durable, flexible, transparent material with superior conductivity and unusual optical properties, promises many novel applications in electronics, photonics and optoelectronics. For applications in…

Materials Science · Physics 2015-06-22 Jukka Aumanen , Andreas Johansson , Juha Koivistoinen , Pasi Myllyperkiö , Mika Pettersson

Two-dimensional quantum materials offer a robust platform for investigating the emergence of symmetry-broken ordered phases owing to the high tuneability of their electronic properties. For instance, the ability to create new electronic…

Graphene consists of single or few layers of crystalline ordered carbon atoms. Its visibility on oxidized silicon (Si/SiO\_2) enabled its discovery and spawned numerous studies of its unique electronic properties. The combination of…

Materials Science · Physics 2009-10-26 M. Friedemann , K. Pierz , R. Stosch , F. J. Ahlers

The paper presents results for zinc oxide films grown at low temperature regime by Atomic Layer Deposition (ALD). We discuss electrical properties of such films and show that low temperature deposition results in oxygen-rich ZnO layers in…

We have demonstrated a new method for the large-area graphene growth, which can lead to a scalable low-cost high-throughput production technology. The method is based on growing single-layer or few-layer graphene films from a molten phase.…

Materials Science · Physics 2010-11-19 Shaahin Amini , Javier Garay , Guanxiong Liu , Alexander A. Balandin , Reza Abbaschian

The remarkable electronic properties of graphene have fueled the vision of a graphene-based platform for lighter, faster and smarter electronics and computing applications. One of the challenges is to devise ways to tailor its electronic…

Applying time-dependent photoemission we unravel the graphene growth process on a metallic surface by chemical vapor deposition (CVD). Graphene CVD growth is in stark contrast to the standard growth process of two--dimensional films because…

Materials Science · Physics 2015-05-13 Alexander Grüneis , Kurt Kummer , Denis V. Vyalikh

Chemical functionalization is a promising route to band gap engineering of graphene. We chemically grafted nitrophenyl groups onto exfoliated single-layer graphene sheets in the form of substrate-supported or free-standing films. Our…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Hang Zhang , Elena Bekyarova , Jhao-Wun Huang , Zeng Zhao , Wenzhong Bao , Fenglin Wang , Robert C. Haddon , Chun Ning Lau

High-quality nitrogen-doped graphene on nickel is prepared by exploiting both the catalytic properties of nickel and the solubility of nitrogen atoms into its bulk. Following the standard chemical vapor deposition procedure, a previously…

Graphene is a two-dimensional layer of carbon atoms arranged in a honeycomb lattice, whose outstanding properties makes it an excellent material for future electronic and photonic terahertz (THz) devices. In this work, we design hybrid…

Optics · Physics 2020-06-29 Tianjing Guo , Christos Argyropoulos

Edges naturally exist in a single-layer graphene sample. Similarly, individual graphene layers in a multilayer graphene sample contribute their own edges. We study the Raman spectrum at the edge of a graphene layer laid on n layer graphene…

Materials Science · Physics 2015-01-15 Q. -Q. Li , X. Zhang , W. -P. Han , Y. Lu , W. Shi , J. -B. Wu , P. -H. Tan

Chemically derived graphene sheets were found to self-assemble onto patterned gold structures via electrostatic interactions between noncovalent functional groups on GS and gold. This afforded regular arrays of single graphene sheets on…

Materials Science · Physics 2009-02-24 Hailiang Wang , Xinran Wang , Xiaolin Li , Hongjie Dai

Practical applications of graphene require a reliable high-throughput method of graphene identification and quality control, which can be used for large-scale substrates and wafers. We have proposed and experimentally tested a fast and…

Materials Science · Physics 2011-06-21 Craig M. Nolen , Giovanni Denina , Desalegne Teweldebrhan , Bir Bhanu , Alexander A. Balandin

Establishing good electrical contacts to nanoscale devices is a major issue for modern technology and contacting 2D materials is no exception to the rule. One-dimensional edge-contacts to graphene were recently shown to outperform surface…

Here we report chemical vapor deposition of graphene on gold surface at ambient pressure. We studied effects of the growth temperature, pressure and cooling process on the grown graphene layers. The Raman spectroscopy of the samples reveals…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Tuba Oznuluer , Ercag Pince , Emre O. Polat , Osman Balci , Omer Salihoglu , Coskun Kocabas

We present an innovative method of selective epitaxial growth of few layers graphene (FLG) on a pre-patterned SiC substrate. The methods involves, successively, the sputtering of a thin AlN layer on top of a mono-crystalline SiC substrate…

Materials Science · Physics 2009-11-13 N. Camara , G. Rius , J. -R. Huntzinger , A. Tiberj , N. Mestres , P. Godignon , J. Camassel

We report on the development and application of an atomic layer etching (ALE) procedure based on alternating exposures of trimethylaluminum and anhydrous hydrogen fluoride (HF) implemented to controllably etch aluminum oxide. Our ALE…

Bosonic atoms deposited on atomically thin substrates represent a playground for exotic quantum many-body physics due to the highly-tunable, atomic-scale nature of the interaction potentials. The ability to engineer strong interparticle…

Mesoscale and Nanoscale Physics · Physics 2024-02-26 Sang Wook Kim , Mohamed Elsayed , Nathan S. Nichols , Taras Lakoba , Juan Vanegas , Carlos Wexler , Valeri N. Kotov , Adrian Del Maestro

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