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Printing has drawn a lot of attention as a means of low per-unit cost and high throughput patterning of graphene inks for scaled-up thin-form factor device manufacturing. However, traditional printing processes require a flat surface and…

The adsorption of metal atoms on nanostructures, such as graphene and nanotubes, plays an important role in catalysis, electronic doping, and tuning material properties. Quantum chemical calculations permit the investigation of this process…

Mesoscale and Nanoscale Physics · Physics 2020-02-18 Christoph Rohmann , Maicol A. Ochoa , Michael Zwolak

Assembled metal/insulator nanoparticles with a core/shell geometry provide access to materials containing a large number (>106) of tunneling barriers. We demonstrate the production of ceramic coated metal nanoparticles exhibiting an…

Mesoscale and Nanoscale Physics · Physics 2010-01-22 E. K. Athanassiou , F. Krumeich , R. N. Grass , W. J. Stark

The separation of liquid mixture components is relevant to many applications -- ranging from water purification to biofuel production -- and is a growing concern related to the UN Sustainable Development Goals (SDGs), such as ``Clean water…

Mesoscale and Nanoscale Physics · Physics 2023-04-21 Roger Bellido-Peralta , Fabio Leoni , Carles Calero , Giancarlo Franzese

We propose a natural way to create quantum-confined regions in graphene in a system that allows large-scale device integration. We show, using first-principles calculations, that a single graphene layer on a trenched region of…

Materials Science · Physics 2010-10-11 Matheus P. Lima , A. R. Rocha , Antônio J. R. da Silva , A. Fazzio

The atomically-precise controlled synthesis of graphene stripes embedded in hexagonal boron nitride opens up new possibilities for the construction of nanodevices with applications in sensing. Here, we explore properties related to…

Materials Science · Physics 2017-08-21 Fabio A. L. de Souza , Wanderla L. Scopel , Rodrigo G. Amorim , Ralph H. Scheicher

Using optical measurements, we demonstrate that the rotation of micron-scale graphene nanoplatelets levitated in a quadrupole ion trap in high vacuum can be frequency locked to an applied radio frequency (rf) electric field. Over time,…

Mesoscale and Nanoscale Physics · Physics 2017-07-12 Pavel Nagornykh , Joyce E. Coppock , Jacob P. J. Murphy , B. E. Kane

We present a versatile setup for investigating the nanofluidic behavior of nanoparticles as a function of the gap distance between two confining surfaces. The setup is designed as an open system which operates with small amounts of…

Soft Condensed Matter · Physics 2017-01-17 Stefan Fringes , Felix Holzner , Armin W. Knoll

This paper presents a novel design concept for spintronic nanoelectronics that emphasizes a seamless integration of spin-based memory and logic circuits. The building blocks are magneto-logic gates based on a hybrid graphene/ferromagnet…

Graphynes are novel two-dimensional carbon-based materials that -due to their nanoweb-like structure- have been proposed as molecular filters, especially for water purification technologies. In this work we carry out first principles…

Suspended graphene membrane presents a particular structure with fundamental interests and applications in nanomechanics, thermal transport and optoelectronics. Till now, the commonly used geometries are still quite simple and limited to…

Mesoscale and Nanoscale Physics · Physics 2018-06-06 Julien Chaste , Amina Saadani , Alexandre Jaffre , Ali Madouri , José Alvarez , Debora Pierucci , Zeineb Ben Aziza , Abdelkarim Ouerghi

As global data generation continues to rise, there is an increasing demand for revolutionary in-memory computing methodologies and efficient machine learning solutions. Despite recent progress in electrical and electro-optical simulations…

Applied Physics · Physics 2024-01-04 K. Maity , J. -F. Dayen , B. Doudin , R. Gumeniuk , B. Kundys

Unparalleled strength, chemical stability, ultimate surface-to-volume ratio and excellent electronic properties of graphene make it an ideal candidate as a material for membranes in micro- and nanoelectromechanical systems (MEMS and NEMS).…

The contact of water with graphene is of fundamental importance and of great interest for numerous promising applications, but how graphene interacts with water remains unclear. Here we used atomic force microscopy to investigate…

Mesoscale and Nanoscale Physics · Physics 2016-04-12 Hsien-Chen Ko , Wei-Hao Hsu , Chih-Wen Yang , Chung-Kai Fang , Yi-Hsien Lu , Ing-Shouh Hwang

A graphene nanobubble consists of a graphene sheet, an atomically flat substrate and a substance enclosed between them. Unlike conventional confinement with rigid walls and a fixed volume, the graphene nanobubble has one stretchable wall,…

Soft Condensed Matter · Physics 2020-02-19 T. F. Aslyamov , E. S. Iakovlev , I. Sh. Akhatov , P. A. Zhilyaev

Nanopores made with low dimensional semiconducting materials, such as carbon nanotubes and graphene slit pores, are used in supercapacitors. In theories and simulations of their operation, it is often assumed that such pores screen ion-ion…

Materials Science · Physics 2017-01-24 Alpha A. Lee , Dominic Vella , Alain Goriely

We report the experimental observation of slow-light and coherent storage in a setting where light is tightly confined in the transverse directions. By interfacing a tapered optical nanofiber with a cold atomic ensemble, electromagnetically…

Quantum Physics · Physics 2015-05-12 B. Gouraud , D. Maxein , A. Nicolas , O. Morin , J. Laurat

Vertical graphene nanosheets (VGNs) are the material of choice for next-generation electronic device applications. The growing demand for flexible devices in electronic industry brings in restriction on growth temperature of the material of…

Materials Science · Physics 2022-02-02 Gopinath Sahoo , Subrata Ghosh , S. R. Polaki , Tom Mathews , M. Kamruddin

Interfacial thermal transport between graphene and water plays a critical role in a wide range of thermal and energy applications. Although chemical functionalization can significantly enhance graphene-water interfacial thermal conductance,…

Mesoscale and Nanoscale Physics · Physics 2026-02-19 John Crosby , Haoran Cui , Mehrab Lotfpour , Yan Wang , Lei Cao

Graphene nanoribbons and constrictions are envisaged as fundamental components of future carbon-based nanoelectronic and spintronic devices. At nanoscale, electronic effects in these devices depend heavily on the dimensions of the active…

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