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Since its discovery in 2004, graphene has attracted the interest of the scientific community due to its excellent properties of high carrier mobility, flexibility, strong light-matter interaction and broadband absorption. Despite of its…

Applied Physics · Physics 2021-05-04 Teresa Crisci , Luigi Moretti , Mariano Gioffre' , Maurizio Casalino

Integration of semiconducting transition metal dichalcogenides (TMDs) into functional optoelectronic circuitries requires an understanding of the charge transfer across the interface between the TMD and the contacting material. Here, we use…

Magnetic skyrmions are promising information carriers for building future high-density and high-speed spintronic devices. However, to achieve a current-driven high-speed skyrmion motion, the required driving current density is usually very…

Carbon nanotube (CNT) based electronic devices are promising for beyond-silicon solid-state electronics and vacuum micro-nano-electronics. Despite rapid progress in CNT field-effect transistor related solid-state electronics, the…

Applied Physics · Physics 2021-03-10 Nannan Li , Fei Yan , Baoqing Zeng , Yi Luo

We have fabricated light emitting diodes (LEDs) with Schottky contacts on Si-nanocrystals formed by simple techniques as used for standard Si devices. Orange electroluminescence (EL) from these LEDs could be seen with the naked eye at room…

Optics · Physics 2007-05-23 S. Fujita , N. Sugiyama

The integration of the spin degree of freedom in charge-based electronic devices has revolutionised both sensing and memory capability in microelectronics. Further development in spintronic devices requires electrical manipulation of spin…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 Wenjing Yan , Oihana Txoperena , Roger Llopis , Hanan Dery , Luis E. Hueso , Fèlix Casanova

The concept of direct current distribution minigrids has been gaining ground in academia and industry regarding the development of distribution grid applications with high penetration of distributed energy sources and storage systems. The…

Systems and Control · Electrical Eng. & Systems 2021-04-06 Pedro Ferreira Torres

Tunable photovoltaic photodetectors are of significant relevance in the fields of programmable and neuromorphic optoelectronics. However, their widespread adoption is hindered by intricate architectural design and energy consumption…

Mesoscale and Nanoscale Physics · Physics 2023-12-12 Fan Liu , Xi Lin , Yuting Yan , Xuetao Gan , Yingchun Cheng , Xiaoguang Luo

We report over 3 kV breakdown voltage and ultra-low leakage (011) \b{eta}-Ga2O3 power devices utilizing Schottky barrier engineering and high-permittivity (\k{appa}) dielectric (ZrO2) field plate. The (011) orientation of \b{eta}-Ga2O3…

Systems and Control · Electrical Eng. & Systems 2025-10-30 Emerson J. Hollar , Esmat Farzana

The origin of the high leakage current measured in several vertical-type diamond Schottky devices is conjointly investigated by conducting probe atomic force microscopy (CP-AFM) and confocal micro-Raman/Photoluminescence (PL) imaging…

Materials Science · Physics 2015-06-19 Jose Alvarez , M. Boutchich , J. P. Kleider , T. Teraji , Y. Koide

Almost all high-voltage dc generation for low-power applications is done by either electrostatic machines or voltage multipliers. Electrostatic machines use mechanically moving parts to transfer charge and energy from the low-voltage side…

Applied Physics · Physics 2021-11-09 Sanghyeon Park , Juan Rivas-Davila

Integrating high-mobility graphene grown by chemical vapor deposition (CVD) into spin transport devices is one of the key tasks in graphene spintronics. We use a van der Waals pickup technique to transfer CVD graphene by hexagonal boron…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 Marc Drögeler , Luca Banszerus , Frank Volmer , Takashi Taniguchi , Kenji Watanabe , Bernd Beschoten , Christoph Stampfer

Layered transition metal dichalcogenide (TMD) materials, i.e. 1T-TiSe$_2$ and 2H-NbSe$_2$, harbor a second order charge density wave (CDW) transition where phonons play a key role for the periodic modulations of conduction electron…

Strongly Correlated Electrons · Physics 2017-10-11 Ang J. Li , Xiaochen Zhu , Daniel Rhodes , Christopher C. Samouce , Luis Balicas , Arthur F. Hebard

A new fabrication technique is used to produce quantum dots with read-out channels in silicon/silicon-germanium two-dimensional electron gases. The technique utilizes Schottky gates, placed on the sides of a shallow etched quantum dot, to…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. R. Sakr , E. Yablonovitch , E. T. Croke , H. W. Jiang

Shifting electrically a magnetic domain wall (DW) by the spin transfer mechanism is one of the future ways foreseen for the switching of spintronic memories or registers. The classical geometries where the current is injected in the plane…

600V/20A 4H-SiC Schottky barrier diodes (SBD) were fabricated to investigate the effect of key processing steps, especially before and after a formation of Schottky contact, on the electrical performances of SBD and on a long-term…

Materials Science · Physics 2015-06-18 In-Ho Kang , Sang-Cheol Kim , Jung-Hyeon Moon , Wook Bahng , Nam-Kyun Kim

Electronic processes in a semiconductor system consisting of some Resonant Tunnelling Structures, built in the depletion region of a Schottky barrier, are investigated. It is shown that the Schottky barrier can block or unblock the resonant…

Mesoscale and Nanoscale Physics · Physics 2009-05-14 D. I. Sheka , O. V. Tretyak , A. M. Korol , A. K. Sen , A. Mookerjee

Non-reciprocal charge transport in supercurrent diodes (SDs) polarized growing interest in the last few years for its potential applications in superconducting electronics (SCE). So far, SD effects have been reported in complex hybrid…

Mesoscale and Nanoscale Physics · Physics 2023-01-31 Federico Paolucci , Giorgio De Simoni , Francesco Giazotto

Vacuum nanodevices are devices that the electron transport through them is based on electron field emission from a nano-eimtter to another opposite electrode through a vacuum channel. Geometrically asymmetric metal-vacuum-metal structures…

Mesoscale and Nanoscale Physics · Physics 2016-09-20 M. S. Khalifa , A. H. Badawi , T. A. Ali , N. H. Rafat , A. A. Abouelsaood

Solution processed field-effect transistors based on single crystalline silicon nanowires (Si NWs) with metal Schottky contacts are demonstrated. The semiconducting layer was deposited from a nanowire ink formulation at room temperature.…

Mesoscale and Nanoscale Physics · Physics 2017-01-11 Charles Opoku , Radu Sporea , Vlad Stolojan , Ravi Silva , Maxim Shkunov
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