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Analytical Chemistry Jul 1, 2024

Scientists probe chilling behavior of promising solid-state cooling material

A research team led by the Department of Energy's Oak Ridge National Laboratory has bridged a knowledge gap in atomic-scale heat motion. This new understanding holds promise for enhancing materials to advance an emerging ...

Optics & Photonics Jun 26, 2024

Time-compression in electron microscopy: Terahertz light controls and characterizes electrons in space and time

Scientists at the University of Konstanz in Germany have advanced ultrafast electron microscopy to unprecedented time resolution. Reporting in Science Advances, the research team presents a method for the all-optical control, ...

Superconductivity Jun 20, 2024

High-temperature superconductivity: Exploring quadratic electron-phonon coupling

A new study published in Physical Review Letters (PRL) explores the potential of quadratic electron-phonon coupling to enhance superconductivity through the formation of quantum bipolarons.

Condensed Matter Jun 14, 2024

Exploring the origin of polaron formation in halide perovskites

Halide perovskites are a class of materials with an underlying structure resembling that of mineral perovskites, but with X sites occupied by halide ions, while their A and B sites are occupied by cations. These materials ...

Condensed Matter Jun 12, 2024

New theory links quantum geometry to electron-phonon coupling

A new study published in Nature Physics introduces a theory of electron-phonon coupling that is affected by the quantum geometry of the electronic wavefunctions.

Optics & Photonics Jun 10, 2024

'Quantum optical antennas' provide more powerful measurements on the atomic level

Similar to how a radio antenna plucks a broadcast from the air and concentrates the energy into a song, individual atoms can collect and concentrate the energy of light into a strong, localized signal that researchers can ...

Nanophysics Jun 10, 2024

Researchers demonstrate new way to 'squeeze' infrared light

Researchers have for the first time demonstrated that a specific class of oxide membranes can confine, or "squeeze," infrared light—a finding that holds promise for next generation infrared imaging technologies. The thin-film ...

Condensed Matter Jun 6, 2024

Scientist advance simulation of metal-organic frameworks with machine learning

Hydrogen storage, heat conduction, gas storage, CO2 and water sequestration—metal-organic frameworks (MOFs) have extraordinary properties due to their unique structure in the form of microporous crystals, which have a very ...

Condensed Matter Jun 4, 2024

Study uncovers a quantum acoustical Drude peak shift in strange metals

Researchers at Harvard University, Sabanci University, and Peking University recently gathered findings that could shed light on the origin of the high-temperature absorption peaks observed in strange metals, a class of materials ...

Condensed Matter May 31, 2024

On-chip GHz time crystals with semiconductor photonic devices pave way to new physics and optoelectronic applications

Researchers have for the first time observed a time crystal on a microscale semiconductor chip oscillating at a rate of several billion times per second, unveiling exceptionally high non-linear dynamics in the GHz range.

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