Search results for nanometer

Nanophysics Feb 16, 2023

How a record-breaking copper catalyst converts carbon dioxide into liquid fuels

Since the 1970s, scientists have known that copper has a special ability to transform carbon dioxide into valuable chemicals and fuels. But for many years, scientists have struggled to understand how this common metal works ...

Quantum Physics Feb 13, 2023

The 'flip-flop' qubit: Realization of a new quantum bit in silicon controlled by electric signals

A team led by Professor Andrea Morello at UNSW Sydney has just demonstrated the operation of a new type of quantum bit, called "flip-flop" qubit, which combines the exquisite quantum properties of single atoms with easy controllability ...

Earth Sciences Jan 9, 2023

Jet engine lubrication oils are a major source of ultrafine particles: Study

Ultrafine particles form during combustion processes, for example, when wood or biomass is burned, as well as in power-generating and industrial processes. Alongside road traffic, large airports are a major source of these ...

Nanomaterials Dec 16, 2022

Printing atom by atom: Lab explores nanoscale 3D printing

It takes chemist Liaisan Khasanova less than a minute to turn an ordinary silica glass tube into a printing nozzle for a very special 3D printer. The chemist inserts the capillary tube—which is just one millimeter thick—into ...

Environment Dec 15, 2022

London Underground polluted with metallic particles small enough to enter human bloodstream

The London Underground is polluted with ultrafine metallic particles small enough to end up in the human bloodstream, according to University of Cambridge researchers. These particles are so small that they are likely being ...

Nanophysics Dec 6, 2022

Microstructured fiber measures the size of nanoparticles

Researchers at Leibniz Institute of Photonic Technology (Leibniz IPHT) developed a new glass fiber design that enables exceptionally long observations of a large number of individual, freely moving nanoparticles in a liquid. ...

Nanomaterials Nov 29, 2022

Stable, faster computer memory storage at the nanometer scale

Unlike in humans, when computer "brains" evolve, they get smaller and smaller. This is because the components that perform calculations and consolidate stored information work more efficiently when there are more of them ...

Optics & Photonics Nov 16, 2022

Researchers unlock light-matter interactions on sub-nanometer scales, leading to 'picophotonics'

Researchers at Purdue University have discovered new waves with picometer-scale spatial variations of electromagnetic fields that can propagate in semiconductors like silicon. The research team, led by Dr. Zubin Jacob, Elmore ...

Nanophysics Nov 11, 2022

Researchers learn to engineer growth of crystalline materials consisting of nanometer-size gold clusters

First insights into engineering crystal growth by atomically precise metal nanoclusters have been achieved in a study performed by researchers in Singapore, Saudi Arabia and Finland. The work was published in Nature Chemistry.

Optics & Photonics Oct 26, 2022

Researchers compress light 12 times below the diffraction limit in a dielectric material

Until recently, it was widely believed among physicists that it was impossible to compress light below the so-called diffraction limit (see below), except when using metal nanoparticles, which unfortunately also absorb light. ...

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