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A sensor that integrates high sensitivity micro-Hall effect magnetometry and high-frequency electron paramagnetic resonance spectroscopy capabilities on a single semiconductor chip is presented. The Hall-effect magnetometer was fabricated…

Strongly Correlated Electrons · Physics 2009-11-13 H. M. Quddusi , C. M. Ramsey , J. C. Gonzalez-Pons , J. J. Henderson , E. del Barco , G. de Loubens , A. D. Kent

Scaling the photon-detection area of superconducting nanowire single-photon detectors (SNSPDs) has traditionally been achieved by nanowire meandering. However, material inhomogeneities and fabrication-induced defects, such as line-edge…

The monolithic integration of electromechanical transduction at the nanoscale with advanced CMOS is among the most important challenges of semiconductor electronic systems to leverage the multi-domain sensing, actuation, and resonance…

Mesoscale and Nanoscale Physics · Physics 2019-10-11 Mayur Ghatge , Glen Walters , Toshikazu Nishida , Roozbeh Tabrizian

We report the dispersive readout of the spin state of a double quantum dot formed at the corner states of a silicon nanowire field-effect transistor. Two face-to-face top-gate electrodes allow us to independently tune the charge occupation…

Mesoscale and Nanoscale Physics · Physics 2023-07-19 A. C. Betz , R. Wacquez , M. Vinet , X. Jehl , A L. Saraiva , M. Sanquer , A. J. Ferguson , M. F. Gonzalez-Zalba

Quantum dots embedded in semiconductor photonic nanowires (NW-QDs) can deterministically produce single-photons and entangled photon pairs at high repetition rates. These photons can be efficiently coupled from the photonic nanowire into…

Superconducting nanowires are widely used as sensitive single photon detectors with wide spectral coverage and high timing resolution. We describe a demonstration of an array of DC biased superconducting nanowire single photon detectors…

Instrumentation and Detectors · Physics 2019-05-17 A. K. Sinclair , E. Schroeder , D. Zhu , M. Colangelo , J. Glasby , P. D. Mauskopf , H. Mani , K. K. Berggren

Nanomechanical resonators with increasingly high quality factors are enabled following recent insights into energy storage and loss mechanisms in nanoelectromechanical systems (NEMS). Consequently, efficient, non-dissipative transduction…

Mesoscale and Nanoscale Physics · Physics 2012-04-11 Thomas Faust , Peter Krenn , Stephan Manus , Jörg P. Kotthaus , Eva M. Weig

While piezoelectric transduction enables designing acoustic resonators operating at multi-GHz frequencies, the deposition of piezoelectric materials typically requires high temperature processes and specific crystallographic orientation of…

Applied Physics · Physics 2019-12-24 Pallabi Das , Siddharth Tallur

We present the room temperature (RT) near-infrared (NIR) photoluminescence (PL) properties of Si/Ge nanowire (NW) grown silicon wafers which were treated by vapor of HF:HNO3 chemical mixture. This treatment activates or enhances the PL…

Mesoscale and Nanoscale Physics · Physics 2015-12-29 Seref Kalem , Peter Werner , Vadim Talalaev

Millimeter-wave superconducting resonators are a useful tool for studying quantum device coherence in a new frequency domain. However, improving resonators is difficult without a robust and reliable method for coupling millimeter-wave…

We report amplification of biomolecular recognition signal in lithographically defined silicon nanochannel devices. The devices are configured as field effect transistors (FET) in the reversed source-drain bias region. The measurement of…

Biological Physics · Physics 2008-02-14 Yu Chen , Xihua Wang , Mi K. Hong , Shyamsunder Erramilli , Carol Rosenberg , Pritiraj Mohanty

We describe a method to fabricate clean suspended single-wall carbon nanotube (SWCNT) transistors hosting a single quantum dot ranging in length from a few 10s of nm down to $\approx$ 3 nm. We first align narrow gold bow-tie junctions on…

Mesoscale and Nanoscale Physics · Physics 2012-08-15 J. O. Island , V. Tayari , S. Yigen , A. C. McRae , A. R. Champagne

An important consideration in miniaturizing transistors is maximizing the coupling between the gate and the semiconductor channel. A nanowire with a coaxial metal gate provides optimal gate-channel coupling, but has only been realized for…

Mesoscale and Nanoscale Physics · Physics 2012-01-19 Kristian Storm , Gustav Nylund , Lars Samuelson , Adam P. Micolich

Silicon-based photonic biosensors, such as microring resonators and Mach-Zehnder interferometers, offer significant potential for the detection of analytes at low concentrations. To enhance response time and improve the limit of detection…

Optics · Physics 2024-07-01 Anders Henriksson , Peter Neubauer , Mario Birkholz

We present an approach to increase the effective light-receiving area of superconducting nanowire single-photon detectors (SNSPD) by means of free-form microlenses that are printed in situ on top of the sensitive detector area using…

Networks of silicon nanowires possess intriguing electronic properties surpassing the predictions based on quantum confinement of individual nanowires. Employing large-scale atomistic pseudopotential computations, as yet unexplored branched…

Mesoscale and Nanoscale Physics · Physics 2013-11-18 Ümit Keleş , Bartosz Liedke , Karl-Heinz Heinig , Ceyhun Bulutay

It is known that the figure of merit ($ZT$) of thin nanowires can be significantly enhanced at room temperature due to the reduction of phonon thermal conductance arising from the increase of boundary scattering of phonons. It is expected…

Mesoscale and Nanoscale Physics · Physics 2018-05-23 David M T Kuo , C. C. Chen , Yia-Chung Chang

With the development of wireless communication, industrial wireless sensor networks (IWSNs) plays an important role in monitoring and control systems. In this paper, we extend the application of IWSNs into High Frequency Surface-Wave Radar…

Information Theory · Computer Science 2016-04-12 Liangtian Wan , Guangjie Han , Jinfang Jiang , Lei Shu

For semimetal nanowires with diameters smaller than a few tens of nanometers, a semimetal-to-semiconductor transition is observed as the emergence of an energy band gap resulting from quantum confinement. Quantum confinement in a semimetal…

Mesoscale and Nanoscale Physics · Physics 2016-12-02 Alfonso Sanchez-Soares , James C. Greer

Decades of progress in radiofrequency (RF) transistors and receiver frontends have profoundly impacted wireless communications, remote sensing, navigation, and instrumentation. Growing demands for data throughput in 6G networks, timing…

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