Detection of ultralow concentrations of substances requires devices that can provide ultrafast information processing and offer high detection limits. Plasmonic metal nanoparticles, especially those made of gold and silver, ...
Bio & Medicine
Sep 24, 2019
0
44
Harnessing light's energy into nanoscale volumes requires novel engineering approaches to overcome a fundamental barrier known as the "diffraction limit." However, University of Illinois researchers have breached this barrier ...
Nanophysics
Sep 23, 2019
0
29
Tip-enhanced Raman spectroscopy resolved "resonance" Raman scattering with 1-nm resolution in ultrathin zinc oxide films epitaxially grown on a single-crystal silver surface. Tip-enhanced "resonance" Raman scattering can ...
Nanomaterials
Sep 4, 2019
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9
Plasmonic nanostructures have been widely used for enhancing light-matter interactions due to the strong local field enhancement in deep subwavelength volumes.
Optics & Photonics
Sep 3, 2019
0
8
NUS scientists have developed a method for directional excitation of plasmons at molecular length scale with electrically driven sources. Photonic devices which make use of light can transmit information much faster than ...
Nanophysics
Aug 30, 2019
0
18
Physicists from Nanyang Technological University, Singapore (NTU Singapore) and the Niels Bohr Institute in Copenhagen, Denmark, have devised a method to turn a non-magnetic metal into a magnet using laser light.
General Physics
Jul 29, 2019
1
171
Over the past decade, numerous physics studies have explored how oscillating electric fields produced by lasers or microwave sources can be used to dynamically alter the properties of materials on demand. In a new study featured ...
Researchers from the Nanophotonic Technology Centre (NTC) of the Polytechnic University of Valencia (UPV) have designed new silicon nanoantennas with direct applications in communication and data processing for the next generation ...
Optics & Photonics
Jul 22, 2019
0
14
Global warming is a serious threat to the planet and living beings. One of the main causes of global warming is the increase in the atmospheric CO2 level. The main source of this CO2 is from the burning of fossil fuels in ...
Nanomaterials
Jul 3, 2019
1
2
Russian researchers from the Moscow Institute of Physics and Technology (MIPT) and Valiev Institute of Physics and Technology have demonstrated resonant absorption of terahertz radiation in commercially available graphene. ...
Nanomaterials
Jul 1, 2019
1
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