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Search results for van der Waals materials

Nanomaterials Sep 16, 2021

Ultrasound at the nanometer scale reveals the nature of force

Researchers have developed a new method to measure force and atomic bonds at the nanoscale that reveals that the speed of sound depends on the structure it is traveling through.

Optics & Photonics Sep 14, 2021

Spin photovoltaic effects in magnetic van der Waals heterostructures

In a new report now published on Science Advances, Tiancheng Song and a research team at the department of physics, University of Washington, U.S., and materials and nanoarchitectronics in Japan and China, detailed spin photovoltaic ...

General Âé¶¹ÒùÔºics Sep 7, 2021

Researchers realize a spin field-effect transistor at room temperature

A crucial goal of spintronics research is to coherently manipulate electron spins at room temperature using electrical current. This is particularly valuable as it would enable the development of numerous devices, including ...

Quantum Âé¶¹ÒùÔºics Sep 1, 2021

Âé¶¹ÒùÔºicists find 'magnon' origins in 2D magnet

Rice physicists have confirmed the topological origins of magnons, magnetic features they discovered three years ago in a 2D material that could prove useful for encoding information in the spins of electrons.

Optics & Photonics Aug 27, 2021

A new type of infrared polaritons at the surface of bulk crystals

An international team has reported in Nature the first observation of ghost polaritons, which are a new form of surface waves carrying nanoscale light strongly coupled with material oscillations and featuring highly collimated ...

General Âé¶¹ÒùÔºics Aug 27, 2021

Hexagonal boron nitride as a tunnel barrier for ferromagnetic tunnel junctions

Tohoku University's Center for Innovative Integrated Electronic Systems (CIES) has been working collaboratively with the University of Cambridge under the core-to-core project (PL: Prof. Endoh). JSPS has announced an analysis ...

Nanomaterials Aug 27, 2021

Atomic snapshots show fast ion migration in ultra-thin clays

Research led by The University of Manchester has found that ions diffuse 10,000 times faster inside atomically thin clays than in bulk clay crystals. Clays are used in a wide variety of membrane applications, so this result ...

Superconductivity Aug 26, 2021

A laboratory's "irritating" byproduct now supplies 2D materials research

While making materials samples to pursue their own research goals, scientists at the U.S. Department of Energy's Ames Laboratory discovered that an unwanted byproduct of their experiments was an extremely high-quality and ...

Analytical Chemistry Aug 25, 2021

Detecting an unprecedented range of potentially harmful airborne compounds

Many of the products we encounter daily—from deodorant to pesticides to paint—release molecules that drift through the air. Breathing in enough of the wrong ones can cause serious and potentially long-term health problems. ...

Optics & Photonics Aug 12, 2021

New semiconductor device possibilities using black phosphorous

Stress and strain, applied in just the right manner, can sometimes produce amazing results.

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