English
Related papers

Related papers: Molecular rectifying diodes from self-assembly on …

200 papers

Diodes are key elements for electronics, optics, and detection. The search for a material combination providing the best performances for the required application is continuously ongoing. Here, we present a superconducting spintronic tunnel…

We have studied charge transport through individual Borromean Ring complexes, both with and without anchor groups, in gated double barrier tunneling junctions (DBTJs) formed using the electrical breakjunction technique on gold nanowires.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 G. D. Scott , K. S. Chichak , A. J. Peters , S. J. Cantrill , J. F. Stoddart , H. W. Jiang

Transport properties of asymmetric molecular structure are studied within the kinetic equation approach, taking into consideration the electron interaction in the self-consistent manner (SCF procedure). The device is made of a molecule…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Kamil Walczak

We present a new process for fabricating vertical NbN-MgO-NbN Josephson junctions using self-aligned silicon nitride spacers. It allows for a wide range of junction areas from 0.02 um^2 to several 100 um^2. At the same time, it is suited…

Mesoscale and Nanoscale Physics · Physics 2017-09-19 A. Grimm , S. Jebari , D. Hazra , F. Blanchet , F. Gustavo , J. -L. Thomassin , M. Hofheinz

The synthesis of one-dimensional van der Waals heterostructures was realized recently, which opens up new possibilities for prospective applications in electronics and optoelectronics. The even reduced dimension will enable novel properties…

Mesoscale and Nanoscale Physics · Physics 2026-02-06 Ya Feng , Henan Li , Taiki Inoue , Shohei Chiashi , Slava V. Rotkin , Rong Xiang , Shigeo Maruyama

The Josephson diode, a non-reciprocal quantum element analogous to the familiar semiconductor p-n junction diode, has been realized in solid-state systems but remains unexplored in tunable atomtronic circuits. In this work, we propose and…

Quantum Gases · Physics 2025-11-25 Nalinikanta Pradhan , Rina Kanamoto , M. Bhattacharya , Pankaj Kumar Mishra

Even though submicron silicon waveguides have been proposed for dense integration of photonic devices, to date the lightwave circuits on the market mainly rely on waveguides with micron-scale core dimensions. These larger waveguides feature…

We present an original method to estimate the conductivity of a single molecule anchored to nanometric-sized metallic electrodes, using a Mechanically Controlled Break Junction (MCBJ) operated at room temperature in liquid. We record the…

Mesoscale and Nanoscale Physics · Physics 2018-03-16 M. Gil , T. Malinowski , M. Iazykov , H. Klein

Realizing basic semiconductor devices such as p-n junctions are necessary for developing thin-film and optoelectronic technologies in emerging planar materials such as MoS2. In this work, electrostatic doping by buried gates is used to…

Mesoscale and Nanoscale Physics · Physics 2014-06-24 Surajit Sutar , Pratik Agnihotri , Everett Comfort , T. Taniguchi , K. Watanabe , Ji Ung Lee

Realizing multiply resonant photonic crystal cavities with large free spectral range is key to achieve integrated devices with highly efficient nonlinear response, such as frequency conversion, four-wave mixing, and parametric oscillation.…

The unknown quantum electronic conductance across nanojunctions made of silicon-doped carbon wires between carbon leads is investigated. This is done by an appropriate generalization of the phase field matching theory for the…

Mesoscale and Nanoscale Physics · Physics 2015-02-02 D. Szczȩśniak , A. Khater , Z. Bąk , R. Szczȩśniak , M. Abou Ghantous

A superconducting diode is an electronic device that conducts supercurrent and exhibits zero resistance primarily for one direction of applied current. Such a dissipationless diode is a desirable unit for constructing electronic circuits…

One of the solutions enabling performance progress, which can overcome the downsizing limit in silicon technology, is the integration of different functional optoelectronic devices within a single chip. Silicon with its indirect band gap…

The dipole moment is a crucial molecular property linked to a molecular system's bond polarity and overall electronic structure. To that end, the electronic dipole moment, which results from the electron density of a system, is often used…

We present a systematic study of various ways (top gates, local doping, substrate bias) to fabricate and tune multi-dot structures in silicon nanowire multigate MOSFETs (metal-oxide-semiconductor field-effect transistors). The carrier…

Mesoscale and Nanoscale Physics · Physics 2011-05-03 Mathieu Pierre , Benoît Roche , Romain Wacquez , Xavier Jehl , Marc Sanquer , Maud Vinet

We present a hybrid light-emitting diode structure composed of an n-type gallium nitride nanowire on a p-type silicon substrate in which current is injected along the length of the nanowire. The device emits ultraviolet light under both…

Other Condensed Matter · Physics 2007-08-10 Mariano A. Zimmler , Jiming Bao , Ilan Shalish , Wei Yi , Joonah Yoon , Venkatesh Narayanamurti , Federico Capasso

The semiconductor diode, which acts as an electrical rectifier and allows unidirectional electronic transports, is the key to information processing in integrated circuits. Analogously, an optical rectifier (or diode) working at specific…

Quantum Physics · Physics 2014-09-05 H. Z. Shen , Y. H. Zhou , X. X. Yi

Break junctions provide tip-shaped contact electrodes that are fundamental components of nano and molecular electronics. However, the fabrication of break junctions remains notoriously time-consuming and difficult to parallelize. Here we…

Despite tremendous progress in the research on self-assembled nanotechnological building blocks such as macromolecules, nanowires, and two-dimensional materials, synthetic self-assembly methods bridging nanoscopic to macroscopic dimensions…

We propose a new finite-size correction scheme for the formation energy of charged defects and impurities in one-dimensional systems within density functional theory. The energy correction in a supercell geometry is obtained by solving the…

Materials Science · Physics 2014-09-05 Sunghyun Kim , Ji-Sang Park , K. J. Chang
‹ Prev 1 4 5 6 7 8 10 Next ›