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In this Letter, we exploit recent breakthroughs in monochromated aberration-corrected scanning transmission electron microscopy (STEM) to resolve infrared plasmonic Fano antiresonances in individual nanofabricated disk-rod dimers. Using a combination of electron energy-loss spectroscopy and theoretical modeling, we investigate and characterize a subspace of the weak coupling regime between quasidiscrete and quasicontinuum localized surface plasmon resonances where infrared plasmonic Fano antiresonances appear. This work illustrates the capability of STEM instrumentation to experimentally observe nanoscale plasmonic responses that were previously the domain only of higher-resolution infrared spectroscopies.
This article was published in the following journal.
Name: Physical review letters
We theoretically propose a design of core-shell nanoparticles consisting of a dielectric core coated by several alternating plasmonic and dielectric shell layers for the generation of comb-like scatte...
Plasmonic waveguides are key elements in nanophotonic devices serving as optical interconnects between nanoscale light sources and detectors. Multimode operation in plasmonic two-wire transmission lin...
Anisotropic plasmonic metals have attracted significant attention in enhancing the catalytic performance of catalysts due to their broad light-harnessing capabilities and active hot electrons; however...
The Fano resonance is a widespread wave scattering phenomenon associated with a peculiar asymmetric and ultrasharp line shape, which has found applications in a large variety of prominent optical devi...
An improved architecture for all-Si based photoelectronic detectors has been developed, consisting of a specially designed metasurface as antennas integrated into a Si nanowire array on insulator by a...
The clinical efficacy of mechlorethamine gel (Valchlor) as a maintenance therapy after low dose total skin electron beam therapy (TSEBT) for the treatment mycosis fungoides cutaneous T-cel...
The objective of this clinical trial is to visualize the bile ducts by injecting a contrast that is only visible with infrared light. For this, a quantity of bile will be extracted from th...
Because bilateral lower extremity amputees do not have an intact limb for use with the mirror, we are now proposing to conduct a pilot trial of two treatments for PLP - direct observation ...
Protocol Near infrared spectroscopy liver transplants: comparison of two monitoring of Near infrared spectroscopy in pediatric liver transplant.
This phase II trial studies how well low dose total skin electron beam radiation therapy and mechlorethamine hydrochloride gel work in treating patients with mycosis fungoides. Total skin ...
Measurement of the regional temperature of the body or an organ by infrared sensing devices, based on self-emanating infrared radiation.
That portion of the electromagnetic spectrum usually sensed as heat. Infrared wavelengths are longer than those of visible light, extending into the microwave frequencies. They are used therapeutically as heat, and also to warm food in restaurants.
Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measurement of absorption spectra associated with rotational and vibrational energy levels of molecules. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The act of regarding attentively and studying facts and occurrences, gathering data through analyzing, measuring, and drawing conclusions, with the purpose of applying the observed information to theoretical assumptions. Observation as a scientific method in the acquisition of knowledge began in classical antiquity; in modern science and medicine its greatest application is facilitated by modern technology. Observation is one of the components of the research process.
The study, based on direct observation, use of statistical records, interviews, or experimental methods, of actual practices or the actual impact of practices or policies.