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Silicon nanowires grown along the <100>-direction with a bulk Si core are studied with density functional calculations. Two surface reconstructions prevail after exploration of a large fraction of the phase space of nanowire…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 R. Rurali , N. Lorente

As part of its HL-LHC upgrade program, the CMS collaboration is replacing its existing endcap calorimeters with a high-granularity calorimeter (CE). The new calorimeter is a sampling calorimeter with unprecedented transverse and…

Instrumentation and Detectors · Physics 2023-08-30 CMS HGCAL Collaboration

We study perspectives of nanowire metamaterials for negative-refraction waveguides, high-performance polarizers, and polarization-sensitive biosensors. We demonstrate that the behavior of these composites is strongly influenced by the…

A fundamental issue in biomedical and environmental sciences is the development of sensitive and robust sensors able to probe the analyte of interest, under physiological and pathological conditions or in environmental samples, and with…

Materials Science · Physics 2015-11-10 Loretta L. del Mercato , Maria Moffa , Rosaria Rinaldi , Dario Pisignano

Through molecular dynamics simulations considering thermal vibration of surface atoms, ionic behaviors in concentrated NaCl solutions confined between discretely charged silicon surfaces have been investigated. The electric double layer…

Chemical Physics · Physics 2017-04-06 Yinghua Qiu , Jian Ma , Yunfei Chen

Fundamental understanding of ionic transport at the nanoscale is essential for developing biosensors based on nanopore technology and new generation high-performance nanofiltration membranes for separation and purification applications. We…

We present low-temperature measurements of low-loss superconducting nanowire-embedded resonators in the low-power limit relevant for quantum circuits. The superconducting resonators are embedded with superconducting nanowires with widths…

Superconductivity · Physics 2017-08-09 Jonathan Burnett , James Sagar , Oscar W. Kennedy , Paul A. Warburton , Jonathan C. Fenton

Understanding the mechanical interplay between silicon anodes and their surrounding solid-electrolyte interphase (SEI) is essential to improve the next generation of lithium-ion batteries. We model and simulate a 2D elliptical silicon…

Applied Physics · Physics 2024-09-13 Raphael Schoof , Lukas Köbbing , Arnulf Latz , Birger Horstmann , Willy Dörfler

The focused helium ion beam microscope is a versatile imaging and nanofabrication instrument enabling direct-write lithography with sub-10-nm resolution. Subsurface damage and swelling of substrates due to helium ion implantation is…

Applied Physics · Physics 2024-10-08 Sherry Mo , Dana O. Byrne , Frances I. Allen

A flow-through sensing platform based on open-ended porous silicon (PSi) microcavity membranes that are compatible with integration in on-chip sensor arrays is demonstrated. Due to the high aspect ratio of PSi nanopores, the performance of…

Materials Science · Physics 2016-10-27 Yiliang Zhao , Girija Gaur , Scott T. Retterer , Paul E. Laibinis , Sharon M. Weiss

Nanophotonics has become a key enabling technology in biomedicine with great promises in early diagnosis and less invasive therapies. In this context, the unique capability of plasmonic noble metal nanoparticles to concentrate light on the…

Applied Physics · Physics 2017-08-02 Ozlem Yavas , Mikael Svedendahl , Paulina Dobosz , Vanesa Sanz , Romain Quidant

Nanomechanical resonator-based sensing devices are used in medical diagnostics based on their high-frequency dynamic behavior. Cantilevers fall into the category of Nanomechanical resonators. It also resembles a resonator whose shape is…

Instrumentation and Detectors · Physics 2023-12-19 Abhay K. Rajak , Ritambhara Dash , Ashwini Kumari , A. S. Bhattacharyya

We present a compact current sensor based on a superconducting microwave lumped-element resonator with a nanowire kinetic inductor, operating at 4.2 K. The sensor is suitable for multiplexed readout in GHz range of large-format arrays of…

Instrumentation and Detectors · Physics 2017-09-11 S. Doerner , A. Kuzmin , K. Graf , S. Wuensch , I. Charaev , M. Siegel

Nanofabrication techniques for achieving dimensional control at the nanometer scale are generally equipment-intensive and time-consuming. The use of energetic beams of electrons or ions has placed the fabrication of nanopores in thin…

Mesoscale and Nanoscale Physics · Physics 2014-03-25 Harold Kwok , Kyle Briggs , Vincent Tabard-Cossa

Nanopores in solid state membranes are a tool able to probe nanofluidic phenomena or can act as a single molecular sensor. They also have diverse applications in filtration, desalination or osmotic power generation. Many of these…

Soft Condensed Matter · Physics 2020-12-02 Sebastian J. Davis , Michal Macha , Andrey Chernev , David M. Huang , Aleksandra Radenovic , Sanjin Marion

The photoacoustic method with piezoelectric detection for the simultaneous evaluation of the thermophysical properties is proposed. The approach is based on the settling of an additional heat sink for redistribution of heat fluxes deposited…

Mesoscale and Nanoscale Physics · Physics 2020-12-03 K. Dubyk , T. Nychyporuk , V. Lysenko , K. Termentzidis , G. Castanet , F. Lemoine , D. Lacroix , Mykola Isaiev

Intracellular access with high spatiotemporal resolution can enhance our understanding of how neurons or cardiomyocytes regulate and orchestrate network activity, and how this activity can be affected with pharmacology or other…

Surface enhanced Raman spectroscopy (SERS) was used to probe the surface chemistry of chlorine-terminated silicon nanocrystal (Si-NC) surfaces in an air-free environment. SERS effect was observed from the thin films of Ag$_x$O using 514 nm…

Materials Science · Physics 2016-06-28 İlker Doğan , Ryan Gresback , Tomohiro Nozaki , Mauritius C. M. van de Sanden

A device model of biological molecule sensors based on semiconductor nanowires has been developed. This model of a bioFET is based on the concept of the electrolytic absolute electrode potential. From that starting point a semiconductor…

Chemical Physics · Physics 2012-12-14 M. W. Denhoff

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
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