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Nanophysics Aug 3, 2022

Smart lighting system based on quantum dots more accurately reproduces daylight

Researchers have designed smart, color-controllable white light devices from quantum dots—tiny semiconductors just a few billionths of a meter in size—which are more efficient and have better color saturation than standard ...

Superconductivity Aug 2, 2022

Researchers measure a signature of superconducting interference at the atomic scale

Superconductors, materials that can conduct electricity with no resistance at low temperatures, have many interesting and advantageous properties. In recent years, physicists and computer scientists have been investigating ...

Nanomaterials Jul 25, 2022

The structure of the smallest semiconductor elucidated

A semiconductor is a material whose conductivity lies somewhere between that of a conductor and an insulator. This property allows semiconductors to serve as the base material for modern electronics and transistors. It is ...

Optics & Photonics Jul 6, 2022

Frequency-domain STED microscopy for selective background noise suppression

Nanoscopy describes the ability to see beyond the generally accepted optical limit of 200–300 nm. Stimulated emission depletion (STED) microscopy, developed by Stefan W. Hell and Jan Wichmann in 1994, and experimentally ...

Optics & Photonics Jun 30, 2022

The principle of inkjet printing and its applications on AR/VR micro-displays

With the rapid development of artificial intelligence, image recognition and 5G communication technology, augmented reality (AR) and virtual reality (VR) technologies are developing at an alarming rate. Under the background ...

Condensed Matter Jun 27, 2022

Taking quantum control of life's building blocks

Life (as we know it) is based on carbon. Despite its ubiquity, this important element still holds plenty of secrets, on earth and in the heavens above us. For example, astrophysicists like Columbia's Daniel Wolf Savin who ...

Quantum Âé¶¹ÒùÔºics Jun 23, 2022

Scientists engineer quantum processor to emulate a small organic molecule

A team of quantum computer physicists at UNSW Sydney has engineered a quantum processor at the atomic scale to simulate the behavior of a small organic molecule, solving a challenge set some 60 years ago by theoretical physicist ...

Nanomaterials Jun 22, 2022

Using microbrewery waste to synthesize carbon quantum dots

For a few years now, spent grain, the cereal residue from breweries, has been reused in animal feed. This material could also be used in nanotechnology. Professor Federico Rosei's team at the Institut national de la recherche ...

Biotechnology Jun 20, 2022

Scientists develop synergistic antibacterial carbon dots

The use of antibiotics helps fight bacterial infection, but the abuse of antibiotics has resulted in the emergence and widespread prevalence of "super bacteria," making the treatment of infectious diseases a worldwide problem ...

Analytical Chemistry Jun 14, 2022

Calculating the 'fingerprints' of molecules with artificial intelligence

With conventional methods, it is extremely time-consuming to calculate the spectral fingerprint of larger molecules. But this is a prerequisite for correctly interpreting experimentally obtained data. Now, a team at HZB has ...

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