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71篇 您的检索式:作者名="Sheel"
    题名 作者 年代 出处 被引量
1Antenna-assisted picosecond control of nanoscale phase transition in vanadium dioxide显示文摘Nanoscale devices in which the interaction with light can be configured using external control signals hold great interest for next-generation optoelectronic circuits.Materials exhibiting a structural or electronic phase transition offer a large modulation contrast with multi-level optical switching and memory functionalities.In addition,plasmonic nanoantennas can provide an efficient enhancement mechanism for both the optically induced excitation and the readout of materials strategically positioned in their local environment.Here,we demonstrate picosecond all-optical switching of the local phase transition in plasmonic antenna-vanadium dioxide(VO_(2))hybrids,exploiting strong resonant field enhancement and selective optical pumping in plasmonic hotspots.Polarization-and wavelength-dependent pump–probe spectroscopy of multifrequency crossed antenna arrays shows that nanoscale optical switching in plasmonic hotspots does not affect neighboring antennas placed within 100 nm of the excited antennas.The antenna-assisted pumping mechanism is confirmed by numerical model calculations of the resonant,antenna-mediated local heating on a picosecond time scale.The hybrid,nanoscale excitation mechanism results in 20 times reduced switching energies and 5 times faster recovery times than a VO_(2) film without antennas,enabling fully reversible switching at over two million cycles per second and at local switching energies in the picojoule range.The hybrid solution of antennas and VO_(2) provides a conceptual framework to merge the field localization and phase-transition response,enabling precise,nanoscale optical memory functionalities.Otto L Muskens Luca Bergamini Yudong Wang Jeffrey M Gaskell Nerea Zabala CH de Groot David W Sheel Javier Aizpurua 2016Light(Science & Applications)2016,5,1:5
2脊髓损伤后残存自主神经功能载录国际标准显示文摘近年来,脊髓损伤神经学分类园际标准(International Stand- ards for the Neurological Classification of Spinal Cord Injury, ISNCSCI)被用来记载脊髓损伤后运动和感觉功能的损害,目前该标准已是第六版。1992年第一份国际认可的标准出版时,曾进行了较大的修订,修订内容包括完全性损伤与不完全性损伤的定义,MS Alexander AB Jackson W Donovan DE Graves SL Elliott A Krassioukov AW Sheel I Estoresl B Green A Gousse NL Braekett D Cardenas M Kennelly A-K Karlason F Biering-Sorensen K Krogh T Linsenmeyer R Marino J Ditunno CJ Mathias I Perkash G Creasey G Schilero J Wecht B Schurch V Dietz J Sonksen S Stiens D Bodner LA Wuermser J-J Wyndaele 周谋望 刘楠 S Charlifue 2010中华物理医学与康复杂志2010,32,4:2
3ln-situ FTIR studies of the growth of vanadium dioxide coatings on glass by atmospheric pressure chemical vapour deposi- tion for VC14 and H2O system 显示文摘Vernardou D Pemble M E Sheel D W 2007Thin Solid Films2007,515,24:1
4Photoactive and antibacterial TiO2 thin films on stainless steel显示文摘Evans P Sheel D W 2007Surface & Coating Technology2007,201,:1
5Fatiguing inspira- tory muscle work causes reflex reduction in resting leg blood flow in humans显示文摘Sheel AW Derchak PA Morgan BJ 2001J Physiol2001,537,1:1
6Simulation and optimization of an existing ethylbenzene dehydrogenation reactor 显示文摘Sheel G P Crowe C M 1969Can J Chem Engng1969,47,:1
7The role of nitrogen doping on the development of visible light-induced photocatalytic activity in thin TiO2 films grown on glass by chemical vapour deposition 显示文摘Yates H M Nolan M G Sheel D W 2006J Photochem Photobiol A Chem2006,179,12:1
8Interaction analysis of anchor-soil systems显示文摘Desai C S Muqtadir A Sheele F 1986J Geotech Engrg ASCE1986,112,5:1
9Identification and control for micro-drilling productivity enhancement显示文摘Cheong Man Sheel Cho Dong Woo Ehmann Kornel F 1999International Journal of Machine Tools & Manufacture1999,39,:1
10显示文摘Yates H M Nolan M G Sheel D W 2006Photochem Photobio A: Chem2006,179,:1
11Identification and control for micro-drilling productivity enhancement 显示文摘Cheong Man sheel Cho dong Woo Kornel F ehmann 1999International Journal of Machine Tool & Manufacture1999,,39:1
12Atmospheric pressure chemical vapour deposition of F doped SnO2 for optimum per- formance solar cells 显示文摘Sheel D W Yates H M Evans P 2009Thin Solid Films2009,517,:1
13Child obesity and fitness levels among Kenyan and Canadian children from urban and rural environments : A KIDS - CAN Research Alliance Study 显示文摘Adamo KB Sheel AW Onywera V 2011Inter- national Journal of Pediatric Obesity2011,6,22:1
14Vanadium oxides prepared by liquid injection MOCVD using vanadyl acetylacetonate显示文摘Vernardou D Pemble M E Sheel D W 2004Surf Coat Techn2004,188,:1
15Raised ALT as a predictor of biliary pancreatitis and potential areas for improvement in the management of acute gallstone pancreatitis 显示文摘Javed MA Sheel A Schofield R 2010International Journal of Surgery2010,8,7:1
16Fatiguing inspiratory muscle work causes reflex reduction in resting leg blood flow in humans显示文摘Sheel AW Derchak PA Morgan B J 2001J Physiol2001,537,1:1
17In-situ FTIRstudies of the growth of vanadium dioxide coatings on glass by atmospheric pressure chemical vapour deposition for VCl4 and H2O system显示文摘Vernardou D Pemble M E Sheel D W 2007Thin Solid Films2007,515,24:1
18Photoactive and antihaeterial TiO2 thin films on stainless steel 显示文摘Evans P Sheel D W 2007Surf Coat Techn2007,,201:1
19Variability in tropo- spheric carbon monoxide over an urban site in Southeast Asia 显示文摘Sahu L K Sheel V Kajino M 2013Atmospheric Environment2013,68,:1
20A Monopole Antenna Fed by a Rectangular Waveguide显示文摘Yubo Wang Zhongxiang Shen Sheel Aditya Choi Look Law 2005Antennas and Propagation Society International Symposium2005,,:1
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