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Search results for plasmonic

Nanophysics Aug 30, 2024

Spin-controlled generation of a complete polarization set with randomly interleaved plasmonic metasurfaces

Optical metasurfaces are finely crafted two-dimensional artificial nanostructures composed of meticulously designed arrays of ultrathin artificial atoms. These surfaces possess capabilities beyond natural materials, enabling ...

Analytical Chemistry Aug 29, 2024

Study: Plasmonic copper nanowires boost nitrate reduction efficiency

The electrocatalytic nitrate reduction reaction (NO3RR) has attracted the attention of researchers for its significant value in ammonia synthesis and effluent treatment. Plasmon-assisted electrocatalysis provides a powerful ...

Optics & Photonics Aug 27, 2024

Reconfigurable sensor can detect particles 0.001 times the wavelength of light

In recent years, advances in photonics and materials science have led to remarkable developments in sensor technology, pushing the boundaries of what can be detected and measured. Among these innovations, non-Hermitian physics ...

Bio & Medicine Aug 19, 2024

Researchers develop nanoparticle array implantation for sensitive and reusable detection

Shanghai Jiao Tong University (SJTU) researchers have developed a highly sensitive and reusable surface-enhanced Raman spectroscopy (SERS) microfluidics system that has achieved a detection limit lower than 10 ppt (parts ...

Nanophysics Aug 16, 2024

Unveiling the power of hot carriers in plasmonic nanostructures

A new scientific review explores the exciting potential of hot carriers, energetic electrons generated by light in plasmonic nanostructures. These tiny structures hold immense promise for future technologies due to their ...

Nanophysics Aug 15, 2024

Team develops method for control over single-molecule photoswitching

Scientists from the Department of Âé¶¹ÒùÔºical Chemistry at the Fritz Haber Institute have made an innovative discovery in nanoscale optoelectronics. The study, published in the journal Nature Communications and titled "Atomic-Precision ...

Cell & Microbiology Aug 5, 2024

Successful observation of endosome behavior provides new clues for disease treatment

A team led by Professor Seo Dae-ha of the Department of Âé¶¹ÒùÔºics and Chemistry at DGIST has developed new real-time microscopy technology and successfully observed the behavior of "motor proteins," which may hold the key to ...

Nanophysics Jul 30, 2024

Researchers identify unique phenomenon in Kagome metal

In traditional Japanese basket-weaving, the ancient "Kagome" design seen in many handcrafted creations is characterized by a symmetrical pattern of interlaced triangles with shared corners. In quantum physics, the Kagome ...

Bio & Medicine Jul 18, 2024

New technique to diagnose cancer metastasis uses origami nanoprobes

Johns Hopkins engineers have created a new optical tool that could improve cancer imaging. Their approach, called SPECTRA, uses tiny nanoprobes that light up when they attach to aggressive cancer cells, helping clinicians ...

Condensed Matter Jul 11, 2024

European researchers reach unmatched level in measurements of matter under extreme conditions

Researchers at European XFEL have developed an innovative method to study warm dense matter with unprecedented accuracy. This kind of matter, that exists between condensed matter and plasma physics, can be found, for example, ...

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