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Search results for van der Waals materials

Nanomaterials Oct 15, 2020

Study examines spontaneous symmetry breaking in twisted double bilayer graphene

Over the past few years, a growing number of researchers worldwide has been conducting studies investigating the properties and features of so-called twisted van der Waals (vdW) materials. This unique class of materials could ...

Nanomaterials Oct 5, 2020

A new all-2-D light-emitting field-effect transistor

Transition metal dichalcogenides (TMDs), a two-dimensional (2-D) semiconductor, are promising materials for next-generation optoelectronic devices. They can emit strong light due to the large binding energies of excitons, ...

Optics & Photonics Oct 1, 2020

Tunable free-electron X-ray radiation from van der Waals materials

Technion researchers have developed accurate radiation sources that are expected to lead to breakthroughs in medical imaging and other areas. They have developed precise radiation sources that may replace the expensive and ...

General Âé¶¹ÒùÔºics Sep 21, 2020

Spin Hall effect in Weyl semimetal for energy-efficient information technology

The discovery of topological Weyl semimetals in 2017 has revealed opportunities to realize several extraordinary physical phenomena in condensed matter physics. Now, researchers at Chalmers University of Technology have demonstrated ...

Nanomaterials Sep 11, 2020

Nano-microscope gives first direct observation of the magnetic properties of 2-D materials

Australian researchers and their colleagues from Russia and China have shown that it is possible to study the magnetic properties of ultrathin materials directly, via a new microscopy technique that opens the door to the ...

Nanomaterials Sep 2, 2020

Spin-galvanic effect in graphene with topological topping demonstrated

Researchers at Chalmers University of Technology, Sweden, have demonstrated the spin-galvanic effect, which allows for the conversion of non-equilibrium spin density into a charge current. Here, by combining graphene with ...

Nanophysics Sep 1, 2020

Memory in a metal, enabled by quantum geometry

The emergence of artificial intelligence and machine learning techniques is changing the world dramatically with novel applications such as internet of things, autonomous vehicles, real-time imaging processing and big data ...

Analytical Chemistry Aug 25, 2020

A colorful detector

Researchers at the University of Tsukuba have developed a new kind of color-shifting crystalline material that can be used to indicate the presence of water. The change in hue is dramatic enough to be gaged by the unaided ...

Nanomaterials Aug 17, 2020

Team makes case for high-performance carbon nanotube fibers for industry

Carbon nanotube fibers made at Rice University are now stronger than Kevlar and are inching up on the conductivity of copper.

Nanophysics Aug 14, 2020

Stabilizing monolayer nitrides with silicon

In a new report published in Science, Yi-Lun Hong and a group of research scientists in materials science, engineering, and advanced technology in China and the U.K. investigated two-dimensional (2-D) materials to discover ...

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