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Nanophysics Nov 28, 2023

Is graphene the best heat conductor? Researchers investigate with four-phonon scattering

Graphene, a material which consists of a single layer of carbon atoms, has been celebrated by many as the "next big thing" in material science. But according to Purdue University researchers, its thermal properties may not ...

Condensed Matter Nov 28, 2023

The secret life of an electromagnon: Research takes a step toward ultrafast control of magnetism with light

Scientists have revealed how lattice vibrations and spins talk to each other in a hybrid excitation known as an electromagnon. To achieve this, they used a unique combination of experiments at the X-ray free electron laser ...

Nanophysics Nov 13, 2023

Researchers' breakthrough in thermal transport could enable novel cooling strategies

Vanderbilt mechanical engineering professors Deyu Li and Josh Caldwell are part of a team of researchers who have discovered a new heat dissipation channel using phonon polaritons that could have extensive implications for ...

Condensed Matter Nov 9, 2023

Study leverages chiral phonons for transformative quantum effect

Quantum materials hold the key to a future of lightning-speed, energy-efficient information systems. The problem with tapping their transformative potential is that in solids, the vast number of atoms often drowns out the ...

Optics & Photonics Nov 7, 2023

'Hot' new form of microscopy examines materials using evanescent waves

Microscopes usually use backscattered radiation to create images, but a research group from the Institute of Industrial Science at the University of Tokyo is developing a new method to study materials using the faint light ...

Optics & Photonics Nov 3, 2023

Surface-specific nonlinear optical spectroscopy comes into terahertz range

Second order surface-specific nonlinear optical spectroscopy, e.g. sum-frequency spectroscopy, has made significant and continuous success in revealing the microscopic structures at surfaces/interfaces since the 1990s.

Condensed Matter Oct 28, 2023

Study uncovers giant fluctuation-enhanced phonon magnetic moments in a polar antiferromagnet

Phonons, quasi-particles associated with sounds or lattice vibrations, can carry momentum and angular momentum. However, these quasi-particles are commonly considered to possess negligible magnetic moments.

Condensed Matter Oct 26, 2023

Superatomic semiconductor sets a speed record for ballistic flow

Semiconductors—most notably, silicon—underpin the computers, cellphones, and other electronic devices that power our daily lives, including the device on which you are reading this article.

Superconductivity Oct 26, 2023

Researchers advance high-temperature superconductivity in carbon materials

In a study published in Advanced Science, researchers led by Prof. Zhong Guohua from the Shenzhen Institute of Advanced Technology (SIAT) of the Chinese Academy of Sciences (CAS) have made a prediction regarding superconductivity ...

Nanomaterials Oct 17, 2023

Insights into 2D materials from international collaboration

Roman Engel-Herbert, Director of PDI, and Joao Marcelo J. Lopes, a Senior Scientist at PDI, were honored recently with an invitation to review the field of two-dimensional layered materials (2DLM) in a paper for ACS Nano ...

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