نتایج جستجو برای: plasmon

تعداد نتایج: 17100  

Journal: :Genes & genetic systems 2002
Koichiro Tsunewaki Gui-Zhi Wang Yoshihiro Matsuoka

This article comprises our final remarks on the phenotypic effects of alien plasmons on common wheat. Twenty-one vegetative, reproductive, and seed characters of 551 alloplasmic lines of 12 common wheat genotypes with 46 alloplasmons, and as the control, their euplasmic lines were investigated. Effects of genotype, plasmon, and their interaction had high statistical significance for all the cha...

Journal: :Nature nanotechnology 2011
Long Ju Baisong Geng Jason Horng Caglar Girit Michael Martin Zhao Hao Hans A Bechtel Xiaogan Liang Alex Zettl Y Ron Shen Feng Wang

Plasmons describe collective oscillations of electrons. They have a fundamental role in the dynamic responses of electron systems and form the basis of research into optical metamaterials. Plasmons of two-dimensional massless electrons, as present in graphene, show unusual behaviour that enables new tunable plasmonic metamaterials and, potentially, optoelectronic applications in the terahertz f...

Journal: :Genetics 2002
Nobuaki Hattori Kazuaki Kitagawa Shigeo Takumi Chiharu Nakamura

A mitochondrial (mt) transcriptional unit, nad3-orf156, was studied in the nucleus-cytoplasm hybrids of wheat with D/D2 plasmons from Aegilops species and their parental lines. A comparative RFLP analysis and sequencing of the random PCR clones revealed the presence of seven sequence types and their polymorphic sites were mapped. All the hybrids possessed the paternal copies besides the materna...

Journal: :Journal of physics. Condensed matter : an Institute of Physics journal 2017
Vincenzo Amendola Roberto Pilot Marco Frasconi Onofrio M Maragò Maria Antonia Iatì

In the last two decades, plasmon resonance in gold nanoparticles (Au NPs) has been the subject of intense research efforts. Plasmon physics is intriguing and its precise modelling proved to be challenging. In fact, plasmons are highly responsive to a multitude of factors, either intrinsic to the Au NPs or from the environment, and recently the need emerged for the correction of standard electro...

2015
Pankaj K. Jha Xiaobo Yin Xiang Zhang

Articles you may be interested in Propagation and enhancement of ultraviolet radiation in metal–dielectric nanocables assisted by surface plasmon polaritons Appl. Toward surface plasmon polariton quantum-state tomography

Journal: :Plasma and Fusion Research 2023

Metal surfaces with sub-wavelength structures form a plasmon polariton-like surface mode, i.e., spoof-plasmon. The spoof-plasmon on corrugated disk propagates radially and is reflected at the edge, resulting in formation of plasmonic cavity. With concentric circular corrugation, excited spoof-plasmons an axisymmetric spiral have non-zero orbital angular momenta non-axisymmetric Spoof-plasmons c...

Journal: :iranian journal of medical physics 0
mohammad etrati khosroshahi laser and nano-biophotonics lab., biomaterial group, faculty of biomedical engineering, amirkabir university of technology, tehran, iran. laser, optics and photonics research center, tehran, iran.

introduction in this study, we describe the results of controlled synthesis and application of gold coated fe3o4/sio2 nano-shells combined with the optical property of gold for enhancement of selective photothermal interaction with cancerous cells based on the surface plasmon resonance (spr) phenomena. materials and methods magnetite nano-particles (mnps) were prepared by means of co-precipitat...

Journal: :Optics express 2010
Siew Lang Teo Vivian Kaixin Lin Renaud Marty Nicolas Large Esther Alarcon Llado Arnaud Arbouet Christian Girard Javier Aizpurua Sudhiranjan Tripathy Adnen Mlayah

In this work we report on the observation of surface plasmon properties of periodic arrays of gold nanoring trimers fabricated by electron beam lithography. It is shown that the localized surface plasmon resonances of such gold ring trimers occur in the infrared spectral region and are strongly influenced by the nanoring geometry and their relative positions. Based on numerical simulations of t...

Journal: :Optics express 2011
Nicolas Large Javier Aizpurua Vivian Kaixin Lin Siew Lang Teo Renaud Marty Sudhiranjan Tripathy Adnen Mlayah

Using numerical simulations, we demonstrate that fine shape details of gold nanoring-disks are responsible for significant modifications of their localized surface plasmon properties. The numerical results are supported by optical transmission measurements and by atomic force microscopy. In particular, we found that, depending on the ring wall sharpness, the spectral shift of the ring-like loca...

Journal: :Optics express 2012
Pradeep Senanayake Chung-Hong Hung Joshua Shapiro Adam Scofield Andrew Lin Benjamin S Williams Diana L Huffaker

We demonstrate 3D surface plasmon photoresponse in nanopillar arrays resulting in enhanced responsivity due to both Localized Surface Plasmon Resonances (LSPRs) and Surface Plasmon Polariton Bloch Waves (SPP-BWs). The LSPRs are excited due to a partial gold shell coating the nanopillar which acts as a 3D Nanopillar Optical Antenna (NOA) in focusing light into the nanopillar. Angular photorespon...

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