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Search results for plasmon

Nanomaterials Jul 01, 2019

Physicists OK commercial graphene for T-wave detection

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 03, 2019

Black (nano)gold to combat climate change

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 ...

General Physics Jul 11, 2019

Light may increase magnetic memory speeds 1000 times, decrease electricity consumption

Internet searches, decade-old emails and on-demand video offerings help contribute to electricity consumption by America's server farms and data centers amounting to more than 2 percent of the country's annual total.

Materials Science Jul 05, 2019

Self-assembling materials can form patterns that might be useful in optical devices

Self-assembling materials called block copolymers, which are known to form a variety of predictable, regular patterns, can now be made into much more complex patterns that may open up new areas of materials design, a team ...

Materials Science Jun 26, 2019

Solar steam generators could be made with wood, fabric or sponges

As the global population grows, fresh water supplies are more precious than ever. While scientists and engineers know how to purify water, making those methods sustainable and energy efficient is another question.

Optics & Photonics Jun 06, 2019

Polarization-encryption based data storage in 3-D Janus plasmonic helical nanoapertures

Helical plasmonic nanostructures have attracted considerable attention in materials science and chemistry due to their inherent optical chirality. In a new report, Yang Chen and a research team in the department of Mechanical ...

Quantum Physics May 07, 2019

Quantum computing with graphene plasmons

A novel material that consists of a single sheet of carbon atoms could lead to new designs for optical quantum computers. Physicists from the University of Vienna and the Institute of Photonic Sciences in Barcelona have shown ...

Optics & Photonics May 17, 2019

Researchers develop novel framework for tracking developments in optical sensors

Plasmonics and photonics have been drawing attention in both academia and industry due to their use in an extensive range of applications, one of which includes optical sensing. The development of optical sensing technology ...

Nanomaterials Jun 06, 2019

Manipulating nanoscale light in nanocavity of scanning tunneling microscope junctions

Manipulating nanoscale light in scanning tunneling microscope junctions is attained by nanofabrication of gold tips using a focused ion beam technique. Researchers at Fritz-Haber Institute, Berlin, Germany, demonstrated that ...

Optics & Photonics May 22, 2019

New data on ultrafast electron photoemission from metallic nanostructures obtained

The results of a Russian-Japanese experiment explain the mechanism of electron photoemission by metallic nanostructures under ultrafast laser excitation. Metallic nanoparticle ensembles are capable of emitting short bunches ...

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