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Related papers: Molecular Junctions for Terahertz Switches and Det…

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Active tuning and switching of electromagnetic properties of materials is of great importance for controlling their interaction with electromagnetic waves. Superconductors are the only natural materials that exhibit diamagnetic switching at…

We present time-dependent results describing the current through a molecular device, modeled as a complex with two active centers connected to leads under bias. We show that, at a properly adjusted external voltage, a passing terahertz…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 P. A. Orellana , F. Claro

Electronic devices composed of single molecules constitute the ultimate limit in the continued downscaling of electronic components. A key challenge for single-molecule electronics is to control the temperature of these junctions.…

Mesoscale and Nanoscale Physics · Physics 2016-04-08 Jacob Lykkebo , Giuseppe Romano , Alessio Gagliardi , Alessandro Pecchia , Gemma C. Solomon

Devices for nano- and molecular size electronics are currently a focus of research aimed at an efficient current rectification and switching. Current switching due to conformational changes in the molecules is slow, on the order of a few…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 A. S. Alexandrov , A. M. Bratkovsky

Microorganisms are ubiquitous in nature, and microbial activities are closely intertwined with the entire life cycle system and human life. Developing novel technologies for the detection, characterization and manipulation of microorganisms…

Optics · Physics 2025-10-17 Ding Cao , Guangyou Fang , Xuequan Chen

The appealing feature of molecular electronics is the possibility of exploiting functionality built within a single molecule. This functionality can be employed, for example, for sensing or switching purposes. Thus, ideally, the associated…

An experimental protocol which allows to perform conductance spectroscopy on organic molecules at low temperatures (T~30 K) has been developed. This extends the method of mechanically controlled break junctions which has recently…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. Reichert , H. B. Weber , M. Mayor , H. v. Löhneysen

A key to building functional devices on the basis of single molecule magnets in the framework of molecular electronics is the ability to deposit and study these molecules on a surface, because the structural, electronic and magnetic…

Mesoscale and Nanoscale Physics · Physics 2016-01-26 Judith Donner , Jan-Philipp Broschinski , Bastian Feldscher , Anja Stammler , Hartmut Bögge , Thorsten Glaser , Daniel Wegner

Resonant frequencies of the two-dimensional plasma in FETs increase with the reduction of the channel dimensions and can reach the THz range for sub-micron gate lengths. Nonlinear properties of the electron plasma in the transistor channel…

We report on inelastic electron tunneling spectroscopy measurements carried out on single molecules incorporated into a mechanically controllable break-junction of Au and Pt electrodes at low temperature. Here we establish a correlation…

Mesoscale and Nanoscale Physics · Physics 2010-11-16 Youngsang Kim , Hyunwook Song , Florian Strigl , Hans-Fridtjof Pernau , Takhee Lee , Elke Scheer

This review presents recent results on the physics of electron transport in molecular devices. The review is organized as follows. A brief description of molecular junction (MJ) technology is first given followed by an introduction to the…

Mesoscale and Nanoscale Physics · Physics 2021-11-23 Dominique Vuillaume

The ability to control the conductance of single molecules will have a major impact in nanoscale electronics. Azobenzene, a molecule that changes conformation as a result of a trans/cis transition when exposed to radiation, could form the…

Mesoscale and Nanoscale Physics · Physics 2008-11-26 Miriam del Valle , Rafael Gutierrez , Carlos Tejedor , Gianaurelio Cuniberti

Molecular transistors have the potential for switching with lower gate voltages than conventional field-effect transistors. We have calculated the performance of a single-molecule device in which there is interference between electron…

Mesoscale and Nanoscale Physics · Physics 2016-07-28 Ying Li , Jan Mol , Simon Benjamin , Andrew Briggs

Conductance switching has been reported in many molecular junction devices, but in most cases has not been convincingly explained. We investigate conductance switching in Pt/stearic acid monolayer/Ti devices using pressure-modulated…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Feng Miao , Douglas Ohlberg , Duncan Stewart , R. Stanley Williams , Chun Ning Lau*

The terahertz (THz) frequency range (0.1-10 THz) fills the gap between the microwave and optical parts of the electromagnetic spectrum. Recent progress in the generation and detection of the THz radiation has made it a powerful tool for…

We propose a novel molecular device that pumps heat against a thermal gradient. The system consists of a molecular element connecting two thermal reservoirs that are characterized by different spectral properties. The pumping action is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Dvira Segal , Abraham Nitzan

Dream of developing molecule-based logic and memory device is more than 70-year-old. Presently, molecule-based devices are also considered for quantum computation hardware. The recent studies have shown the molecule connected to metal leads…

Materials Science · Physics 2019-12-04 Pawan Tyagi , Edwards Friebe , Collin Baker

Proteins can be regarded as thermal nanosensors in an intra-body network. Upon being stimulated by Terahertz (THz) frequencies that match their vibrational modes, protein molecules experience resonant absorption and dissipate their energy…

Molecular Networks · Quantitative Biology 2024-07-01 Hadeel Elayan , Samar Elmaadawy , Andrew W. Eckford , Raviraj Adve , Josep Jornet

Molecular communication is a novel approach for data transmission between miniaturized devices, especially in contexts where electrical signals are to be avoided. The communication is based on sending molecules (or other particles) at nano…

Emerging Technologies · Computer Science 2023-08-08 Max Bartunik , Jens Kirchner , Oliver Keszocze

Electrically connected and plasmonically enhanced molecular junctions combine the optical functionalities of high field confinement and enhancement (cavity function), and of high radiative efficiency (antenna function) with the electrical…