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Search results for chiral plasmonic structures

Optics & Photonics May 3, 2022

Metamaterial significantly enhances chiral nanoparticle signals

The left hand looks like the right hand in the mirror but the left-handed glove does not fit on the right hand. Chirality refers to this property where the object cannot be superimposed on to the mirror image. This property ...

Superconductivity Nov 3, 2021

A new dimension in magnetism and superconductivity is launched

An international team of scientists from Austria and Germany has launched a new paradigm in magnetism and superconductivity, putting effects of curvature, topology, and 3D geometry into the spotlight of next-decade research. ...

Nanomaterials Apr 8, 2021

Energy transmission by gold nanoparticles coupled to DNA structures

Using DNA structures as scaffolds, Tim Liedl, a scientist of Ludwig-Maximilians-Universitaet (LMU) in Munich, has shown that precisely positioned gold nanoparticles can serve as efficient energy transmitters. 

Optics & Photonics Jul 7, 2020

On-chip spin-Hall nanograting for simultaneously detecting phase and polarization singularities

A plasmonic spin-Hall nanograting structure that simultaneously detects both the polarization and phase singularities of the incident beam is reported. The nanograting is symmetry-breaking with different periods for the upper ...

Materials Science Jun 19, 2020

Scientists develop supersensitive sensors for mirror molecules in medicines

Researchers of Tomsk Polytechnic University with colleagues from the Czech Republic have developed supersensitive sensors for detecting enantiomers, known as "mirror molecules," in drugs. These molecules can reduce drug effectiveness ...

Nanophysics Jun 17, 2020

White nanolight source for optical nanoimaging

Nanolight sources based on resonant excitons of plasmons near a sharp metallic nanostructure have attracted great interest in optical nanoimaging. However, the resonant phenomenon only works for one type of wavelength that ...

Biochemistry May 15, 2020

Eavesdropping on single molecules with light by replaying the chatter

Scientists have pioneered a new technique to expose hidden biochemical pathways involving single molecules at the nanoscale.

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 ...

Nanomaterials Sep 13, 2019

Scientists create a nanomaterial that is both twisted and untwisted at the same time

A new nanomaterial developed by scientists at the University of Bath could solve a conundrum faced by scientists probing some of the most promising types of future pharmaceuticals.

Optics & Photonics Aug 23, 2019

Save time using maths: Analytical tool designs corkscrew-shaped nano-antennae

The nanostructures from Katja Höflich's HZB team are shaped like corkscrews and made of silver. Mathematically, such a nano antenna can be regarded as an one-dimensional line that forms a helix, characterized by parameters ...

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