نتایج جستجو برای: nanoscale

تعداد نتایج: 23864  

Journal: :Optics express 2014
Faustin W Carter Daniel F Santavicca Daniel E Prober

The extremely small size of plasmonic antennas has made it difficult to integrate them with nanoscale detectors that require electrical leads, as the leads tend to degrade the resonant properties of the antenna. We present a design for integrating a plasmonic antenna with a nanoscale superconducting transition-edge sensor (TES) with electrical leads. Numerical simulations demonstrate high-effic...

2007
Catherine Dezan Teng Wang

On the road of smaller nanoscale devices perspectives, new proposals of alternatives to CMOS technology are emerging for nanoscale fabrics. This paper relies on a specific 2Dgrid nanowire fabric and proposes new CAD tool to help the designer in its nanoscale implementation, from highlevel specification to abstract layout. This tool proposes to incorporate some fault-tolerant techniques at diffe...

Journal: :Optics letters 2011
M Sumetsky D J DiGiovanni Y Dulashko J M Fini X Liu E M Monberg T F Taunay

Recently introduced surface nanoscale axial photonics (SNAP) makes it possible to fabricate high-Q-factor microresonators and other photonic microdevices by dramatically small deformation of the optical fiber surface. To become a practical and robust technology, the SNAP platform requires methods enabling reproducible modification of the optical fiber radius at nanoscale. In this Letter, we dem...

Journal: :Science 2006
C W Chang D Okawa A Majumdar A Zettl

We demonstrated nanoscale solid-state thermal rectification. High-thermal-conductivity carbon and boron nitride nanotubes were mass-loaded externally and inhomogeneously with heavy molecules. The resulting nanoscale system yields asymmetric axial thermal conductance with greater heat flow in the direction of decreasing mass density. The effect cannot be explained by ordinary perturbative wave t...

2001
William Brownell John Halter Peter Saggau

Overview Membranes in the outer hair cell lateral wall form a naturally occurring nanostructure which acts as a microelectromechanical (MEM) system. Computational and optical techniques are being developed to predict, verify and refine the description of nanoscale behavior in the outer hair cell (OHC) lateral wall. The biological, engineering and physics expertise of an interdisciplinary three-...

Journal: :Applied physics letters 2010
Prabhakar Pradhan Dhwanil Damania Hrushikesh M Joshi Vladimir Turzhitsky Hariharan Subramanian Hemant K Roy Allen Taflove Vinayak P Dravid Vadim Backman

We report a study of the nanoscale mass-density fluctuations of heterogeneous optical dielectric media, including nanomaterials and biological cells, by quantifying their nanoscale light-localization properties. Transmission electron microscope images of the media are used to construct corresponding effective disordered optical lattices. Light-localization properties are studied by the statisti...

1999
Laxmikant V. Kalé Robert Brunner James C. Phillips Krishnan Varadarajan

Clusters of PCs are an attractive platform for parallel applications because of their cost effectiveness. We have implemented an interoperable runtime system called Converse on a cluster of Linux PCs connected by an inexpensive switched Fast Ethernet. This paper presents our implementation and its performance evaluation. We consider the question of the performance impact of using inexpensive co...

2006
Kwangyong Lee Woojin Lee Juil Kim Kiwon Chong

A programming model for the automatic construction of USN applications based on Nano-Qplus is proposed in this paper. Nano-Qplus is a sensor network platform developed by ETRI. Programs of nodes such as sensors, routers, sinks and actuators in a sensor network are automatically generated through the technique of this paper. Developers can implement USN applications from models of sensor network...

2013
Hamid Reza Taghiyari Ali Karimi Paridah M. D. Tahir

The effects of wollastonite nanofibers on the physical and mechanical properties of particleboard were studied. Nano-wollastonite (NW), with the size range of 30 to 110 nm, was applied at 5, 10, 15, and 20%, based on the dry weight of wood chips, and compared with control specimens. Two application methods of NW were used: surface application (SA) and internal application (IA). Density was kept...

2004
G. Slodzian F. Hillion F. J. Stadermann E. Zinner

The quasi-simultaneous arrival (QSA) effect has been tested with the Cameca NanoSIMS 50. The capability of obtaining rather large values of K (ratio of secondary ions ejected per primary ions) has been used to follow the evolution of QSA over a large range of K value by changing the collection efficiency. The amplitude of the effect associated with QSA has been determined and compared to the th...

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