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A vertical transistor based on a double gated, atomically thin heterojunction is theoretically examined. Both p-type and n-type transistor operations can be conveniently achieved by using one of the two gates as the switching gate. The…

Mesoscale and Nanoscale Physics · Physics 2014-08-14 Kai Tak Lam , Gyungseon Seol , Jing Guo

We present a physical model for electronic switching in cantilever based nano-electro-mechanical field effect transistors, focusing on the steepness of its switching curve. We find that the subthreshold swing of the voltage transfer…

Mesoscale and Nanoscale Physics · Physics 2016-05-04 Dincer Unluer , Avik W. Ghosh

We report conductance and supercurrent of InAs nanowires coupled to Al-superconducting electrodes with short channel lengths and good Ohmic contacts. The nanowires are suspended 15\,nm above a local gate electrode. The charge density in the…

Mesoscale and Nanoscale Physics · Physics 2014-06-10 Simon Abay , Daniel Persson , Henrik Nilsson , H. Q. Xu , Mikael Fogelström , Vitaly Shumeiko , Per Delsing

Inspired by recent experimental realizations and theoretical simulations of thin silicon nanowire-based devices, we perform predictive first-principles simulations of junctionless gated Si nanowire transistors. Our primary predictions are…

Mesoscale and Nanoscale Physics · Physics 2010-08-12 Lida Ansari , Baruch Feldman , Giorgos Fagas , Jean-Pierre Colinge , James C. Greer

We report direct measurements of the potential barriers and electronic coupling between nanowire segments within a sketch-based oxide nanotransistor (SketchFET) device. Near room temperature, switching is governed by thermally activation…

Mesoscale and Nanoscale Physics · Physics 2010-09-14 Cheng Cen , Daniela Bogorin , Jeremy Levy

We investigate the conductance properties of a hybrid ferromagnet-semiconductor structure consisting of a confined two-dimensional electron gas and a transverse ferromagnetic strip on top. Within the framework of the Landauer-B\"uttiker…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Michele Governale , Daniel Boese

Magnon transistors that can effectively regulate magnon transport by an electric field are desired for magnonics which aims to provide a Joule-heating free alternative to the conventional electronics owing to the electric neutrality of…

Mesoscale and Nanoscale Physics · Physics 2023-01-16 Yizhan Wang , Tianyi Zhang , Jing Dong , Peng Chen , Caihua Wan , Guoqiang Yu , Xiufeng Han

The electrochemical switching of SrCoOx-based non-volatile memory with thin-film-transistor structure was examined by using liquid-leakage-free electrolytes with different conductivity (s) as the gate insulator. We first examined…

Materials Science · Physics 2018-03-08 Takayoshi Katase , Yuki Suzuki , Hiromichi Ohta

We present an integrated switch that combines plasmonic and neuromorphic technologies with a single sub-stoichiometric VO2-x nanoparticle. The presented device acts as a versatile plasmonic switch with dual thermal and electrical…

We report the detection of a gate-tunable kinetic inductance in a hybrid InAs/Al nanowire. For this purpose, we have embedded the nanowire into a quarter-wave coplanar waveguide resonator and measured the resonance frequency of the circuit.…

The electrical conductance G of magnetostrictive nanocontacts made from Galfenol Fe73Ga27 can be reproducibly switched between on and off states in a low magnetic field of 20 to 30 mT at 10 K. The switching behavior is in agreement with the…

Here we propose and analyze the behavior of a FET--like switching device, the Mott transition field effect transistor, operating on a novel principle, the Mott metal--insulator transition. The device has FET-like characteristics with a low…

Condensed Matter · Physics 2009-10-28 C. Zhou , D. M. Newns , J. A. Misewich , P. C. Pattnaik

Developing electronic devices capable of emulating biological functions is essential for advancing brain-inspired computation paradigms such as neuromorphic computing. In recent years, two-dimensional materials have emerged as promising…

High performance InGaAs gate-all-around (GAA) nanowire MOSFETs with channel length (Lch) down to 20nm have been fabricated by integrating a higher-k LaAlO3-based gate stack with an equivalent oxide thickness of 1.2nm. It is found that…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Jiangjiang J. Gu , Xinwei Wang , Heng Wu , Roy G. Gordon , Peide D. Ye

We present transport measurements in superconductor-nanowire devices with a gated constriction forming a quantum point contact. Zero-bias features in tunneling spectroscopy appear at finite magnetic fields, and oscillate in amplitude and…

Mesoscale and Nanoscale Physics · Physics 2013-06-11 H. O. H. Churchill , V. Fatemi , K. Grove-Rasmussen , M. T. Deng , P. Caroff , H. Q. Xu , C. M. Marcus

Several experiments have recently reported on gate-tunable superconducting properties in metallic devices, holding promise for the realization of cryogenic switches, tunable resonators, and superconducting logic. In particular, the…

We use the strongly temperature-dependent ionic mobility in polymer electrolytes to 'freeze in' specific ionic charge environments around a nanowire using a local wrap-gate geometry. This enables us to set both the threshold voltage for a…

Mesoscale and Nanoscale Physics · Physics 2014-11-12 Sofia Fahlvik Svensson , Adam M. Burke , Damon J. Carrad , Martin Leijnse , Heiner Linke , Adam P. Micolich

The speed of silicon-based transistors has reached an impasse in the recent decade, primarily due to scaling techniques and the short-channel effect. Conversely, graphene (a revolutionary new material possessing an atomic thickness) has…

Materials Science · Physics 2013-09-03 K. C. Yung , W. M. Wu , M. P. Pierpoint , F. V. Kusmartsev

Metal nanowires exhibit a number of interesting properties: their electrical conductance is quantized, their shot-noise is suppressed by the Pauli principle, and they are remarkably strong and stable. We show that many of these properties…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 C. A. Stafford

Micro- and nano-electromechanical resonators are a fundamental building block of modern technology, used in environmental monitoring, robotics, medical tools as well as fundamental science. These devices rely on dedicated electronics to…