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Superconductivity Mar 30, 2022

Study shows how superconductivity can be switched on and off in superconductors

Superconductors are materials that can enter a state of no electrical resistance, through which magnetic fields cannot penetrate. Due to their interesting properties, many material scientists and engineers have been exploring ...

Materials Science Mar 28, 2022

Team achieves 30-fold enhancement of thermoelectric performance in polycrystalline tin selenide

The continued depletion of fossil fuel-based energy resources is leading us towards a growing energy crisis. Consequently, this has set in motion a search for sustainable alternative resources. Thermoelectric energy conversion—a ...

Quantum Âé¶¹ÒùÔºics Mar 25, 2022

Peering into precise ultrafast dynamics in matter

A team of researchers from Beijing led by Prof. Dr. Sheng Meng has succeeded in developing predictive first-principles approaches for investigating precise ultrafast processes in matter. The method, named TDAP  (time-dependent ...

Optics & Photonics Mar 23, 2022

Quantum interference directed chiral Raman scattering in 2-D enantiomers

Raman scattering spectroscopy is a necessary and accurate method to characterize lattice structure and probe electron-photon and electron-phonon interactions. In the quantum realm, electrons at the ground states can be excited ...

Superconductivity Mar 22, 2022

Magnesium diboride becomes superconductive at a higher temperature when it is stretched

Researchers at Linköping University have, by way of a number of theoretical calculations, shown that magnesium diboride becomes superconductive at a higher temperature when it is stretched. The discovery is a big step toward ...

Optics & Photonics Mar 21, 2022

Twisted vibrations enable quality control for chiral drugs and supplements

It's not easy to be sure that drugs and supplements with twisted—or chiral—structures are turning in the correct direction. Now, twirling infrared light can probe both the structures of molecular crystals and their twists, ...

Optics & Photonics Mar 21, 2022

The experimental demonstration of topological dissipation in photonic resonators

So far, physicists have primarily studied topological phases in conservatively coupled systems. These are systems with dynamics that do not dissipate and a phase space that does not shrink over time. They are in stark contrast ...

Materials Science Mar 18, 2022

Unexplored dimensions of porous metamaterials

When it comes to porous metamaterials—ubiquitous, sponge-like materials used in everything from sound absorption to self-cleaning glass—it's all about how you slice it.

Materials Science Mar 17, 2022

Arsenic helps make black phosphorus stable for energy efficiency

The quest for thermoelectric materials that efficiently convert changes in temperature into electric voltage is challenging. For optimal performance, a material must conduct small amounts of heat and large amounts of electricity. ...

Optics & Photonics Mar 11, 2022

New vibes in information technology: A ground-breaking platform for advanced multi-signal systems

Current computer and telecommunication technologies use electrical charges (electrons) and light (photons) to transport information. However, a breakthrough in this field could be brought about by the introduction of mechanical ...

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