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Nanoscale transistors require aggressive reduction of all channel dimensions: length, width, and thickness. While monolayer two-dimensional semiconductors (2DS) offer ultimate thickness scaling, good performance has largely been achieved…

The oscillatory response of nonlinear systems exhibits characteristic phenomena such as multistability, discontinuous jumps and hysteresis. These can be utilized in applications leading, e.g., to precise frequency measurement, mixing,…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Quirin P. Unterreithmeier , Thomas Faust , Jorg P. Kotthaus

The electronic origin of a large resistance change in nanoscale junctions incorporating spin crossover molecules is demonstrated theoretically by using a combination of density functional theory and the non-equilibrium Green's functions…

Mesoscale and Nanoscale Physics · Physics 2012-06-01 N. Baadji , S. Sanvito

We develop a robust and versatile platform to define nanostructures at oxide interfaces via patterned top gates. Using LaAlO$_3$/SrTiO$_3$ as a model system, we demonstrate controllable electrostatic confinement of electrons to nanoscale…

Mesoscale and Nanoscale Physics · Physics 2015-04-10 Srijit Goswami , Emre Mulazimoglu , Lieven M. K. Vandersypen , Andrea D. Caviglia

We analyze the performance of a recently reported Ge/Si core/shell nanowire transistor using a semiclassical, ballistic transport model and an sp3s*d5 tight-binding treatment of the electronic structure. Comparison of the measured…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Gengchiau Liang , Jie Xiang , Neerav Kharche , Gerhard Klimeck , Charles M. Lieber , Mark Lundstrom

For the successful implementation of organic electrochemical transistors in neuromorphic computing, bioelectronics, and real-time sensing applications it is essential to understand the factors that influence device switching times. Here we…

Applied Physics · Physics 2024-10-10 Juan Bisquert , Nir Tessler

Volatile threshold resistive switching and neuronal oscillations in phase-change materials, specifically those undergoing metal-to-insulator transitions, offer unique attributes such as fast and low-field volatile switching, tunability, and…

Materials Science · Physics 2025-07-08 Huandong Chen , Jayakanth Ravichandran

Understanding energy dissipation and transport in nanoscale structures is of great importance for the design of energy-efficient circuits and energy-conversion systems. This is also a rich domain for fundamental discoveries at the…

Mesoscale and Nanoscale Physics · Physics 2010-03-23 Eric Pop

We introduce a fabrication method for gate-all-around nanowire field-effect transistors. Single nanowires were aligned perpendicular to underlying bottom gates using a resist-trench alignment technique. Top gates were then defined aligned…

Nanoscale superconductor-semiconductor hybrid devices are assembled from InAs semiconductor nanowires individually contacted by aluminum-based superconductor electrodes. Below 1 K, the high transparency of the contacts gives rise to…

Optomechanical transduction is demonstrated for nanoscale torsional resonators evanescently coupled to optical microdisk whispering gallery mode resonators. The on-chip, integrated devices are measured using a fully fiber-based system,…

Mesoscale and Nanoscale Physics · Physics 2013-05-14 P. H. Kim , C. Doolin , B. D. Hauer , A. J. R. MacDonald , M. R. Freeman , P. E. Barclay , J. P. Davis

Dynamical structural defects exist naturally in a wide variety of solids. They fluctuate temporally, and hence can deteriorate the performance of many electronic devices. Thus far, the entities of such dynamic objects have been identified…

Mesoscale and Nanoscale Physics · Physics 2017-06-27 Sheng-Shiuan Yeh , Wen-Yao Chang , Juhn-Jong Lin

Investigation of the magnetic switching and magnetoresistive behaviour of nanoscale spin valve elements (SVs) of varying physical parameters such as shape, element size, dimensional aspect ratio, and array size is of vital importance for…

Mesoscale and Nanoscale Physics · Physics 2024-07-16 Swapnil Barman

Bistability in nanomechanical resonators can be exploited for sensing, signal processing, and memory applications due to its potential for switching and high sensitivity to external stimuli. External vibration can be used to drive a…

Applied Physics · Physics 2025-09-26 Toji Thomas , Kevin F. MacDonald , Eric Plum

Many strongly correlated electronic materials, including high-temperature superconductors, colossal magnetoresistance and metal-insulator-transition (MIT) materials, are inhomogeneous on a microscopic scale as a result of domain structure…

Mesoscale and Nanoscale Physics · Physics 2012-09-05 Jiang Wei , Zenghui Wang , Wei Chen , David H. Cobden

The basis for superconducting electronics can broadly be divided between two technologies: the Josephson junction and the superconducting nanowire. While the Josephson junction (JJ) remains the dominant technology due to its high speed and…

Single-electron transistors would represent an approach for less power consuming microelectronic devices if room-temperature operation and industry-compatible fabrication were possible. We present a concept based on stripes of small,…

Materials Science · Physics 2017-07-18 Svenja Willing , Hauke Lehmann , Mirjam Volkmann , Christian Klinke

Nanofluidic ionic transistors typically require gate voltages above 1 V and operate only at sub millimolar ionic strengths, limiting their biocompatible applications. We demonstrate ionic transistors consisting of single sub 10 nm nanopores…

Difficulties in obtaining high-performance p-type transistors and gate insulator charge-trapping effects present two major challenges for III-V complementary metal-oxide semiconductor (CMOS) electronics. We report a p-GaAs nanowire…

Mesoscale and Nanoscale Physics · Physics 2018-09-28 A. R. Ullah , F. Meyer , J. G. Gluschke , S. Naureen , P. Caroff , P. Krogstrup , J. Nygard , A. P. Micolich

Gate-all-around nanowire transistor, due to its extremely tight electrostatic control and vertical integration capability, is a highly promising candidate for sub-5 nm technology node. In particular, the junctionless nanowire transistors…