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Nanophysics Nov 1, 2021

Spintronics: Exotic ferromagnetic order in two-dimensions

The thinnest materials in the world are only a single atom thick. These kinds of two-dimensional or 2D materials—such as graphene, well-known as consisting of a single layer of carbon atoms—are causing a great deal of ...

Condensed Matter Oct 26, 2021

Scientists discover phenomenon of ultra-long spin relaxation in 2D van der Waals magnetic materials

Groups of scientists found in 2017 that long-range magnetic order can stably existence at atomic layer thickness in two-dimensional (2D) van der Waals (vdW) materials. This significant discovery provides ideal materials platform ...

General Âé¶¹ÒùÔºics Oct 22, 2021

Controlling light with a material three atoms thick

Most of us control light all the time without even thinking about it, usually in mundane ways: we don a pair of sunglasses and put on sunscreen, and close—or open—our window blinds.

Astronomy Oct 12, 2021

First frequency-time-resolved imaging spectroscopy observations of solar radio spikes

Solar radio spikes are short duration, narrowband radio bursts that are signatures of the acceleration of non-thermal electrons in solar flares. They are observed over a wide range of frequencies from the tens of MHz (Melnik ...

Quantum Âé¶¹ÒùÔºics Oct 8, 2021

Unambiguous experimental demonstration of magnon transfer torque effect

Spin torque provides convenient electric means to efficiently control magnetizations. It can usually be produced by spin-polarized current or pure spin current via spin Hall effect. The former and the latter are named as ...

Earth Sciences Oct 8, 2021

Stress in Earth's crust determined without earthquake data

Scientists at Los Alamos National Laboratory have developed a method to determine the orientation of mechanical stress in the earth's crust without relying on data from earthquakes or drilling. This method is less expensive ...

Earth Sciences Oct 8, 2021

Deep roots of Australia's geology revealed

A new study has shown for the first time how Australia's rich geological history is reflected deep below the Earth's surface.

Nanophysics Oct 4, 2021

A breakthrough in droplet manipulation

Researchers in the Department of Mechanical Engineering at the University of Hong Kong (HKU) have made a key breakthrough in droplet manipulation. They have discovered an innovative way to navigate liquids on a surface in ...

Materials Science Sep 28, 2021

Study explores remarkable negative thermal expansion seen in layered ruthenates

A formerly unnoticed monoclinic distortion in Ca2RuO4 explains its enormous negative thermal expansion (NTE) over a wide range of temperatures, discover researchers from Tokyo Tech. The work promises a different route for ...

Nanophysics Sep 22, 2021

Signature approach reveals prized property in nanoscopic material

It took a nanoscale construction project on par with the much larger ones peppering Nebraska highways, but physicist Xia Hong is now directing the haphazard traffic of electrons well enough to analyze it—and, down the road, ...

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