English
Related papers

Related papers: Photon-Assisted Tunneling through Molecular Conduc…

200 papers

We present ab-initio transport calculations for molecular junctions that include graphene as a protecting layer between a single molecule and gold electrodes. This vertical setup has recently gained significant interest in experiment for…

Mesoscale and Nanoscale Physics · Physics 2015-12-15 Falco Hüser , Gemma C. Solomon

Inelastic electron tunneling provides a low-energy pathway for the excitation of surface plasmons and light emission. We theoretically investigate tunnel junctions based on metals and graphene. We show that graphene is potentially a highly…

Mesoscale and Nanoscale Physics · Physics 2015-08-28 Kelvin J. A. Ooi , Hong Son Chu , Chang Yu Hsieh , Dawn T. H. Tan , Lay Kee Ang

With the ability to selectively control ionic flux, biological protein ion channels perform a fundamental role in many physiological processes. For practical applications that require the functionality of a biological ion channel, graphene…

Isolated, atomically thin conducting membranes of graphite, called graphene, have recently been the subject of intense research with the hope that practical applications in fields ranging from electronics to energy science will emerge.…

Mesoscale and Nanoscale Physics · Physics 2010-09-17 S. Garaj , W. Hubbard , A. Reina , J. Kong , D. Branton , J. A. Golovchenko

Graphene is an attractive electrode material to contact nanostructures down to the molecular scale since it can be gated electrostatically. Gating can be used to control the doping and the energy level alignment in the nanojunction, thereby…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Nick R. Papior , Tue Gunst , Daniele Stradi , Mads Brandbyge

Amongst the wide spectrum of potential applications of graphene, ranging from transistors and chemical-sensors to nanoelectromechanical devices and composites, the field of photonics and optoelectronics is believed to be one of the most…

Graphene, the atomically-thin honeycomb carbon lattice, is a highly conducting 2D material whose exposed electronic structure offers an ideal platform for sensing. Its biocompatible, flexible, and chemically inert nature associated to the…

Recent experiments demonstrated that proton transport through graphene electrodes can be accelerated by over an order of magnitude with low intensity illumination. Here we show that this photo-effect can be suppressed for a tuneable…

Mesoscale and Nanoscale Physics · Physics 2023-11-01 S. Huang , E. Griffin , J. Cai , B. Xin , J. Tong , Y. Fu , V. Kravets , F. M. Peeters , M. Lozada-Hidalgo

Graphene is an ideal material for optoelectronic applications. Its photonic properties give several advantages and complementarities over Si photonics. For example, graphene enables both electro-absorption and electro-refraction modulation…

Graphene has shown great application opportunities in future nanoelectronic devices due to its outstanding electronic properties. Moreover, its impressive optical properties have been attracting the interest of researchers, and, recently,…

Graphene has recently been shown to be permeable to thermal protons, the nuclei of hydrogen atoms, which sparked interest in its use as a proton-conducting membrane in relevant technologies. However, the influence of light on proton…

A near-field scanning optical microscope is used to locally induce photocurrent in a graphene transistor with high spatial resolution. By analyzing the spatially resolved photo-response, we find that in the n-type conduction regime a p-n-p…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 T. Mueller , F. Xia , M. Freitag , J. Tsang , Ph. Avouris

Graphene with its dispersion relation resembling that of photons offers ample opportunities for applications in electron optics. The spacial variation of carrier density by external gates can be used to create electron waveguides, in…

Mesoscale and Nanoscale Physics · Physics 2022-05-18 Shiang-Bin Chiu , Alina Mreńca-Kolasińska , Ka Long Lei , Ching-Hung Chiu , Wun-Hao Kang , Szu-Chao Chen , Ming-Hao Liu

Photon-assisted charge transport through a double barrier structure under a time periodic field in graphene is studied. Within the framework of the Floquet formalism and using the transfer matrix method, the transmission probabilities for…

Mesoscale and Nanoscale Physics · Physics 2015-03-12 H. P. Ojeda-Collado , C. Rodríguez-Castellanos

The edge-functionalization of graphene nanoplatelets (GnP) was carried out exploiting diazonium chemistry, aiming at the synthesis of edge decorated nanoparticles to be used as building blocks in the preparation of engineered nanostructured…

Graphene photonics has emerged as a promising platform for providing desirable optical functionality. However, graphene's monolayer-scale thickness fundamentally restricts the available light matter interaction, posing a critical design…

Optics · Physics 2017-05-11 PoHan Chang , Charles Lin , Amr S. Helmy

Although it was demonstrated that discrete molecular levels determine the sign and magnitude of the thermoelectric effect in single-molecule junctions, full electrostatic control of these levels has not been achieved to date. Here, we show…

For future on-chip communication schemes, it is essential to integrate nanoscale materials with an ultrafast optoelectronic functionality into high-frequency circuits. The atomically thin graphene has been widely demonstrated to be suitable…

Mesoscale and Nanoscale Physics · Physics 2016-07-06 Andreas Brenneis , Felix Schade , Simon Drieschner , Florian Heimbach , Helmut Karl , Jose A. Garrido , Alexander W. Holleitner

Plasmons --the collective oscillations of electrons in conducting materials-- play a pivotal role in nanophotonics because of their ability to couple electronic and photonic degrees of freedom. In particular, plasmons in graphene --the…

Materials Science · Physics 2018-05-08 Renwen Yu , F. Javier García de Abajo

We implemented a nanoelectronic interface between graphene field effect transistors (FETs) and soluble proteins. This enables production of bioelectronic devices that combine functionalities of the biomolecular and inorganic components. The…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Ye Lu , Mitchell B. Lerner , Zhengqing John Qi , Joseph J. Mitala , Jong Hsien Lim , Bohdana M. Discher , A. T. Charlie Johnson
‹ Prev 1 2 3 10 Next ›