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Search results for plasmonic

Nanophysics Nov 8, 2019

Team uses golden 'lollipop' to observe elusive interference effect at the nanoscale

Electrons in atoms are pretty talented. They can form chemical bonds, get kicked out of the atom and even "jump" to different locations based on their energetic states.

Optics & Photonics Nov 4, 2019

'Hot' electrons in metallic nanostructures—non-thermal carriers or heating?

What happens to a piece of metal when you shine light on it? This question, which has been one of the driving forces of modern physics, gained renewed interest in recent years, with the advances in fabrication of small metallic ...

Analytical Chemistry Nov 4, 2019

Rapid test to ensure high milk quality

Standards of food safety and food quality have never been higher in Germany and throughout the European Union. This is especially true in the dairy industry. Yet despite such high standards, traces of impurities, pesticides ...

Optics & Photonics Oct 16, 2019

Harnessing plasmonics for precision agriculture worldwide

Maiken Mikkelsen wants to change the world by developing a small, inexpensive hyperspectral camera to enable worldwide precision farming practices that would significantly reduce water, energy, fertilizer and pesticide use ...

Nanomaterials Oct 15, 2019

Overlap allows nanoparticles to enhance light-based detection

Rice University scientists have found revealing information where light from a molecule meets light from a nanoparticle.

Optics & Photonics Oct 14, 2019

3-D integrated metasurfaces stacking up for impressive holography

Âé¶¹ÒùÔºicists and materials scientists have developed a compact optical device containing vertically stacked metasurfaces that can generate microscopic text and full-color holograms for encrypted data storage and color displays. ...

Nanophysics Oct 2, 2019

Quantizing single-molecule surface enhanced Raman Scattering with DNA origami metamolecules

Tailored metal nanoclusters can be actively developed in the lab to manipulate light at the subwavelength scale for nanophotonic applications. However, their precise molecular arrangement in a hotspot with fixed numbers and ...

Nanomaterials Oct 1, 2019

Product authentication at your fingertips

Imagine if water vapor in your breath or surrounding your fingertips revealed invisible patterns on commercial products—smartphones, laptops, expensive liquor—that verified the products' authenticity and aided anticounterfeiting ...

Nanomaterials Sep 30, 2019

Scientists develop high-precision sensor based on laser-textured gold film

Scientists at Far Eastern Federal University (FEFU) with colleagues from Russia, Japan, and Australia have developed a multi-purpose sensor based on a specially designed gold film, the surface of which contains millions of ...

Materials Science Sep 26, 2019

Scientists disentangle protein-nanoparticle interactions, suggest path to drug-sensing tool

It's always good when your intuition turns out to be right, but scientists at Rice University studying proteins and particles were more "right" than they expected.

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