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Related papers: Microwave Rectification by a Carbon Nanotube Schot…

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The Schottky diode, BN/GaN layered composite contacting to bulk aluminum, is theoretically plausible to harvest wireless energy above X-band. According to our first principle calculation, the insertion of GaN layers dramatically influences…

Materials Science · Physics 2021-01-29 Chi Ho Wong , Frank Leung Yuk Lam , Xijun Hu , Anatoly Fedorovich Zatsepin

We show that carbon nanotube transistors operate as unconventional "Schottky barrier transistors", in which transistor action occurs primarily by varying the contact resistance rather than the channel conductance. Transistor characteristics…

Materials Science · Physics 2016-08-31 S. Heinze , J. Tersoff , R. Martel , V. Derycke , J. Appenzeller , Ph. Avouris

High performance enhancement mode semiconducting carbon nanotube field-effect transistors (CNTFETs) are obtained by combining ohmic metal-tube contacts, high dielectric constant HfO2 films as gate insulators, and electrostatically doped…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Ali Javey , Jing Guo , Damon B. Farmer , Qian Wang , Dunwei Wang , Roy G. Gordon , Mark Lundstrom , Hongjie Dai

Graphene-silicon (GS) Schottky junctions have been demonstrated as an efficient architecture for photodetection. However, the response speed of such devices for free space light detection has so far been limited to 10's-100's of kHz for…

Applied Physics · Physics 2020-01-09 H. Selvi , E. W. Hill , P. Parkinson , T. J. Echtermeyer

The superconducting diode effect has been recently reported in a variety of systems and different symmetry breaking mechanisms have been examined. However, the frequency range of these potentially important devices still remains obscure. We…

Superconductivity · Physics 2023-02-23 Sara Chahid , Serafim Teknowijoyo , Iris Mowgood , Armen Gulian

In this letter, we present a kilovolt-class \b{eta}-Ga2O3 vertical trench Schottky barrier diode with a field plate incorporating narrow fin width (Wfin) structures of sub-micron dimensions. We used a nanolaminate dielectric comprising a…

Applied Physics · Physics 2025-09-29 Chinmoy Nath Saha , Saurav Roy , Yizheng Liu , Carl Peterson , Sriram Krishnamoorthy

A multi-magnetron microwave source, a metamaterial transmitting antenna, and a large power rectenna array are presented to build a near-field 2.45 GHz microwave power transmission system. The square 1 m2 rectenna array consists of sixteen…

Applied Physics · Physics 2026-01-05 Biao Zhang , Wan Jiang , Yang Yang , Chengyang Yu , Kama Huang , Changjun Liu

Physical properties of semiconducting CdF_2 crystals doped with In are determined from measurements of the radio-frequency response of a sample with Schottky barriers at frequencies 10 - 10^6 Hz. The dc conductivity, the activation energy…

Materials Science · Physics 2009-11-07 A. I. Ritus , A. V. Pronin , A. A. Volkov , P. Lunkenheimer , A. Loidl , A. S. Shcheulin , A. I. Ryskin

This letter reports the first demonstration of AlN Schottky diodes on bulk AlN substrates by metalorganic chemical vapor phase deposition (MOCVD) with breakdown voltages exceeding 3 kV. The devices exhibited good rectifying characteristics…

Applied Physics · Physics 2023-11-10 Dinusha Herath Mudiyanselage , Dawei Wang , Ziyi He , Bingcheng Da , Houqiang Fu

Voltage doubler rectifiers are usually applied to systems with high voltage and low current requirement. An X band voltage doubler rectifier has been developed with 72% conversion efficiency. To the best of our knowledge, the obtained…

Applied Physics · Physics 2025-12-12 Feifei Tan , Changjun Liu

Silicon carbide (SiC) Schottky diodes 21 mum thick with small surfaces and high N-dopant concentration have been used to detect alpha particles and low energy light ions. In particular 12C and 16O beams at incident energies between 5 and 18…

Nuclear Experiment · Physics 2009-11-11 M. De Napoli , G. Raciti , E. Rapisarda , C. Sfienti

Vertical diamond Schottky diodes with blocking voltages $V_{\text{BD}} > 2.4 \text{ kV}$ and on-resistances $R_{\text{On}} < 400 \text{ m}\Omega \text{cm}^{2}$ were fabricated on homoepitaxially grown diamond layers with different surface…

Electrical current rectification is an interesting electronic feature, popularly known as a diode. Achieving a high rectification ratio in a molecular junction has been a long-standing goal in molecular electronics. The present work…

Devices for nano- and molecular size electronics are currently a focus of research aimed at an efficient current rectification and switching. A few generic molecular scale devices are reviewed here on the basis of first-principles and model…

Soft Condensed Matter · Physics 2015-06-25 A. M. Bratkovsky

With molecular dynamics simulations, we demonstrate very obvious thermal rectification in large temperature range from 200 to 400 K in nanocone. We also observe that the rectification of nanocone does not depend on the length very…

Mesoscale and Nanoscale Physics · Physics 2009-06-08 Nuo Yang , Gang Zhang , Baowen Li

We have observed the transversal vibration mode of suspended carbon nanotubes at millikelvin temperatures by measuring the single-electron tunneling current. The suspended nanotubes are actuated contact-free by the radio frequency electric…

Mesoscale and Nanoscale Physics · Physics 2009-07-18 A. K. Huettel , G. A. Steele , B. Witkamp , M. Poot , L. P. Kouwenhoven , H. S. J. van der Zant

We observe current rectification in a molecular diode consisting of a semiconducting single-wall carbon nanotube and an impurity. One half of the nanotube has no impurity, and it has a current-voltage (I-V) charcteristic of a typical…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. D. Antonov , A. T. Johnson

Graphene-Silicon Schottky diode photodetectors possess beneficial properties such as high responsivities and detectivities, broad spectral wavelength operation and high operating speeds. Various routes and architectures have been employed…

Mesoscale and Nanoscale Physics · Physics 2020-01-09 H. Selvi , N. Unsuree , E. Whittaker , M. P. Halsall , E. W. Hill , P. Parkinson , T. J. Echtermeyer

Coupling carbon nanotube devices to microwave circuits offers a significant increase in bandwidth and signal-to-noise ratio. These facilitate fast non-invasive readouts important for quantum information processing, shot noise and…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 V. Ranjan , G. Puebla-Hellmann , M. Jung , T. Hasler , A. Nunnenkamp , M. Muoth , C. Hierold , A. Wallraff , C. Schönenberger

The development of the sixth generation of wireless communications technology (6G) requires terminals that can operate at frequencies above 100 GHz. For human-centric applications, these terminals should also be flexible and have low power.…