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Nanotechnology

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Displaying 101 - 125 of 936

Heterojunction tunnel triodes based on two-dimensional metal selenide and three-dimensional silicon

October 27, 2022
Author(s)
Jinshui Miao, Chloe Leblanc, Jinjin Wang, Yue Gu, Xiwen Liu, Baokun Song, Huairuo Zhang, Sergiy Krylyuk, Weida Hu, Albert Davydov, Tyson Back, Nicholas Glavin, Deep Jariwala
Low power consumption in the static and dynamic modes of operation is a key requirement in the development of modern electronics. Tunnel field-effect transistors with direct band-to-band charge tunnelling and steep-subthreshold-slope transfer

High-Throughput Nanopore Fabrication and Classification Using Xe-Ion Irradiation and Automated Pore-Edge Analysis

September 26, 2022
Author(s)
Michal Macha, Sanjin Marion, Mukesh Tripathi, Martina Lihter, Alex Smolyanitsky, Andras Kis, Aleksandra Radenovic
Large-area nanopore drilling is a major bottleneck in state-of-the-art nanoporous 2D membrane fabrication protocols. In addition, high-quality structural and statistical descriptions of as-fabricated porous membranes are key to predicting the corresponding

Tightly Confined Surface Acoustic Waves as Microwave-to-Optical Transduction Platforms in the Quantum Regime

September 26, 2022
Author(s)
Ryan DeCrescent, Zixuan Wang, Poolad Imany, Robert Boutelle, Corey McDonald, Travis Autry, John Teufel, Sae Woo Nam, Richard Mirin
Surface acoustic waves (SAWs) coupled to quantum dots (QDs), trapped atoms and ions, and point defects have been proposed as quantum transduction platforms, yet the requisite coupling rates and cavity lifetimes have not been experimentally established

Size and Number Concentration Measurements of Polystyrene Nanoparticle Suspensions using Several Different Techniques

September 8, 2022
Author(s)
Paul DeRose, Kurt D. Benkstein, Elzafir B. Elsheikh, Adolfas K. Gaigalas, Sean Lehman, Dean Ripple, Linhua Tian, Wyatt Vreeland, Adam York, Yu-Zhong Zhang, Hao-Wei Wang
The number concentrations of nominal 100 nm, 200 nm and 500 nm diameter, fluorescently-labeled polystyrene nanosphere suspensions were measured using seven different techniques. Diameter values were also measured where possible. The diameter values were

Relative effects of polymer composition and sample preparation on glass dynamics

August 17, 2022
Author(s)
Christopher Soles, Amanda L. Forster, Katherine Evans, Madhusudan (Madhu) Tyagi, Robert M. Elder, Timothy Sirk, Joseph Dennis, Kanae Ito, Osama Yamamuro, Hiroshi Akiba
Modern design of common adhesives, composites and polymeric parts makes use of polymer glasses that are stiff enough to maintain their shape under a high stress while still maintaining a ductile behavior after the yield point. Typically, material

Broadband Nanoscale Surface-Enhanced Raman Spectroscopy by Multiresonant Nanolaminate Plasmonic Nanocavities on Vertical Nanopillars

August 8, 2022
Author(s)
Meitong Nie, Yuming Zhao, Wonil Nam, Junyeob Song, Wenqi Zhu, Henri Lezec, Amit Agrawal, Wei Zhou
Surface-enhanced Raman spectroscopy (SERS) has become a sensitive detection technique for biochemical analysis. Despite significant research efforts, most SERS substrates consisting of single-resonant plasmonic nanostructures on the planar surface suffer

Metasurface on integrated photonic platform: from mode converters to machine learning

July 20, 2022
Author(s)
Zi Wang, Yahui Xiao, Kun Liao, Tiantian Li, Hao Song, Haoshuo Chen, S M Zia Uddin, Dun Mao, Feifan Wang, Zhiping Zhou, Bo Yuan, Wei Jiang, Nikolas Fontaine, Amit Agrawal, Alan Willner, Xiaoyong Yu, Tingyi Gu
Integrated photonic circuits are created as a small form factor and robust analogue for fiber-based optical systems, from wavelength-division multiplication transceivers to more recent mode-division multiplex-ing components. Silicon nanowire waveguides

ZnO fin optical cavities

June 16, 2022
Author(s)
Babak Nikoobakht, Amit Agrawal, Scott A. Wight, Jonathan Lee, Michael Shur
Nanostructured semiconductors have shown great promise toward miniaturization of electrically driven semiconductor lasers. Previously, we reported on an electrically driven sub-micron size ZnO-GaN fin LED architecture that at high current densities showed

Revising quantum optical phenomena in adatoms coupled to graphene nanoantennas

June 8, 2022
Author(s)
Garnett W. Bryant, Miriam Kosik, Marvin Muller, Karolina Slowik, Andres Ayuela, Carsten Rockstuhl, Marta Pelc
Graphene flakes acting as photonic nanoantennas sustain strong electromagnetic field localization and enhancement. To exploit the field enhancement, quantum emitters such as atoms or molecules should be positioned in such close proximity to the flake that

Improved Accuracy for Calibrated Mass Distribution Measurements of Bimetallic Nanoparticles

May 23, 2022
Author(s)
Kaleb Duelge, George Mulholland, Antonio Montoro Bustos, Michael Zachariah, Michael Zachariah, John Pettibone
Implementation of hybrid nanoparticles (HNPs), consisting of two different metal components, into applied systems has been hindered by an incomplete understanding of structural and chemical properties responsible for their enhanced, yet inconsistent
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