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Nanophysics Dec 23, 2021

Researchers use electron microscope to turn nanotube into tiny transistor

An international team of researchers have used a unique tool inserted into an electron microscope to create a transistor that's 25,000 times smaller than the width of a human hair.

Optics & Photonics Dec 22, 2021

Integrated photonics meets electron microscopy

Scientists in Switzerland and Germany have achieved efficient electron-beam modulation using integrated photonics—circuits that guide light on a chip. The experiments could lead to entirely new quantum measurement schemes ...

Nanophysics Dec 10, 2021

Development of a high-energy-resolution, lanthanum hexaboride nanowire-based field emission gun

The National Institute for Materials Science (NIMS) and JEOL, Ltd. have developed a lanthanum hexaboride (LaB6) nanowire-based field emission gun that is installable on an aberration-corrected transmission electron microscope ...

Molecular & Computational biology Dec 6, 2021

Visualising cell structures in three dimensions in mere minutes

Viral pathogens like the SARS-CoV-2 coronavirus change the interior structure of the cells they infect. These changes occur at the level of individual cell components—the organelles—and can provide information on how ...

General Physics Dec 1, 2021

Magnons vs electrons: A new spin on computer processing

In 1965, Gordon Moore of Intel predicted that microprocessors would double in speed and capacity every couple of years. This prediction, now known as "Moore's Law," has with some modification in 1975 been reliably prophetic ...

Optics & Photonics Nov 29, 2021

Nondestructive testing of optical fiber diameters

The increased use of optical fiber has seen a greater focus on the precise control and measurement of its diameter. That is due to the diameter being vital for a wide range of fields, from high-speed optical communication ...

Molecular & Computational biology Nov 17, 2021

Advanced microscopes help scientists understand how cells break down proteins

Proteins are the building blocks of all living things. A vast amount research takes place on how these proteins are made and what they do, from enzymes that carry out chemical reactions to messengers that transmit signals ...

Quantum Physics Nov 10, 2021

Laser light used to modulate free electrons into qubits

The laws of quantum physics are not only extraordinary—they also offer some far-reaching and unique possibilities for advanced information processing, quantum computing and cryptography. So far, the basic building blocks ...

General Physics Nov 2, 2021

A strategy to control the spin polarization of electrons using helium

Spintronics, also known as spin electronics, is a research field that explores how the intrinsic spin of electrons and its magnetic moment can be exploited by devices. Spintronic devices are promising for a wide range of ...

Materials Science Oct 28, 2021

Crystal-clear images reveal secrets of energy-efficient catalysts and novel materials

They say a picture is worth a thousand words. But that's only true if it's not blurry, or grainy, or the subject's head is not out of the frame. These kind of epic fails plague even experienced photographers. The same is ...

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