Results 211 to 220 of about 44,546 (307)

Powering Nanocrystal‐Based Heat Engines With Light‐Emitting Metasurfaces That Influence Their Temperature

Advanced Functional Materials, EarlyView.
Metasurfaces and other structured photonic environments can dramatically modify the absorption and/or light emission of semiconductors. However, the consequences of these changes on the temperature of the system are not well understood. The authors address this problem for colloidal nanocrystals and leverage their findings to convert light into ...
Hugo Kowalczyk, Yihao Yuan, Augustin Caillas, Amel Saidoun, Roméo Bonnet, Pascal Filloux, Emmanuel Lhuillier, Aloyse Degiron   +7 more
wiley   +1 more source

Dye‐Initiated Chirped Cholesteric Polymer Networks Exhibiting Broadband Dissipative Chiral Photonic Bands

Advanced Functional Materials, EarlyView.
A dye‐based photoinitiator acting as a structure‐directing element, guides the formation of a cholesteric polymer network that behaves as a chirped photonic structure with dissipative chiral coupling. Photopolymerization freezes a depth‐dependent helical pitch, broadening the Bragg resonance spectrum.
Alfredo Mazzulla, Pasquale Pagliusi, Gabriella Cipparrone   +2 more
wiley   +1 more source

Noise Exposure Model (MOD 4)

The purpose of this report is threefold:1. To record the results of efforts at the Transportaiton Systems Center to refine and expand the Noise Exposure Model, which have specifically resulted in the MOD 4 ver described herein;2.
Hinckley, R. H., Wesler, J. E., John A. Volpe National Transportation Systems Center (U.S.)   +2 more
core  

Oxidized MoS2‐Based Multifunctional Memristive Hardware for Energy‐Efficient mmWave Signal Processing and In‐Memory Matrix Multiplication

Advanced Functional Materials, EarlyView.
Thermally oxidized MoS2‐based radio‐frequency switches enable a multifunctional platform that unifies broadband RF switching and in‐memory computation. The device achieves a cutoff frequency of 33.2 THz with high energy efficiency and supports hardware‐aware signal processing.
Juho Son, Changwoo Pyo, Sungmoon Park, Yoongi Cho, Seungchan Lee, Myungsoo Kim   +5 more
wiley   +1 more source

Appendix C : the Noise Exposure Model (MOD 4)

The purpose of this report is threefold: 1. To record the results of efforts at the Transportaiton Systems Center to refine and expand the Noise Exposure Model, which have specifically resulted in the MOD 4 ver described herein; 2. To serve as an Users's
John A. Volpe National Transportation Systems Center (U.S.)
core  

Twin Crystal Moiré Metasurfaces for Crossing Flat‐Band Transport

Advanced Functional Materials, EarlyView.
This study introduces twin crystal moiré metasurfaces, breaking in‐plane symmetry to enable reconfigurable acoustic wave manipulation. By adjusting the twin angle and interlayer twist angle, various combinations of hyperbolic, flat bands, and elliptic states can be synthesized in the system.
Shida Fan, Chenglin Han, Kuan He, Chadi Ellouzi, Yunlong Wang, Li‐Qun Chen, Jie Sun, Zhaodong Xu, Chen Shen, Tianzhi Yang   +9 more
wiley   +1 more source

A workshop sponsored by the INCE Foundation, the Noise Control Foundation, and the Transportation Research Board Committee ADC40

This report presents the results of one TQA Follow-up event, a workshop titled Cost Benefit Analysis \u2013 Noise Barriers and Quieter Pavements, which was organized by the DOT Volpe Center and hosted by the NAE at the National Academies Keck Center ...
Wood, Eric W., Vanchieri, Cori, Rapporteur, Lang, William W., Maling, George C., Jr., John A. Volpe National Transportation Systems Center (U.S.), National Research Council (U.S.). Transportation Research Board   +5 more
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Transparent and Robust LiCl–Organohydrogel Triboelectric Nanogenerator With Deep Learning Assisted Sensing

Advanced Functional Materials, EarlyView.
Develop a LiCl–PEI–PAM hydrogel with 3000% stretchability and excellent optical transparency. Through comparative studies of various salts, confirm that LiCl is the most suitable salt for high TENG output. Achieve excellent freeze‐resistant, dry‐resistant, and rapid self‐healing (10 s) properties even in extreme environments. Balance ionic conductivity,
Hai Anh Thi Le, Thien Trung Luu, Duc‐Manh Dinh, Kyehan Rhee, Kyungwho Choi, Dukhyun Choi, Yong Tae Park   +6 more
wiley   +1 more source

Life Cycle Greenhouse Gas Emissions from Alternative Jet Fuels

06-C-NE-MIT, Amendment Nos. 012 and 021The long-term viability and success of a transportation fuel depends on both economic and environmental sustainability.
Massachusetts Institute of Technology, Stratton, Russell, Wong, Hsin Min, Partnership for Air Transportation Noise and Emissions Reduction, Hileman, James   +4 more
core  

Intermittency ratio: A metric reflecting short-term temporal variations of transportation noise exposure. [PDF]

J Expo Sci Environ Epidemiol, 2016
Wunderli JM, Pieren R, Habermacher M, Vienneau D, Cajochen C, Probst-Hensch N, Röösli M, Brink M.   +7 more
europepmc   +1 more source