Search results for phonons

General Physics Aug 12, 2022

Matter at extreme conditions of very high temperature and pressure turns out to be remarkably simple and universal

Scientists at Queen Mary University of London have made two discoveries about the behavior of "supercritical matter"—matter at the critical point where the differences between liquids and gases seemingly disappear.

Nanomaterials Jul 27, 2022

Researchers give 2D electronics a performance boost

Two dimensional (2D) semiconductors have a unique property that allows their thickness to be reduced to one or few atoms—and this property could potentially minimize the short channel effects that remain an issue in advanced ...

General Physics Jul 22, 2022

Researchers report high carrier mobility of cubic boron arsenide

Cubic boron arsenide (c-BAs), a semiconductor with ultrahigh thermal conductivity comparable to diamond, has attracted wide attention since 2018, with many people wondering whether it is suitable for transistors.

Condensed Matter Jul 13, 2022

Atomically-smooth gold crystals help to compress light for nanophotonic applications

Korea Advanced Institute of Science and Technology (KAIST) researchers and their collaborators at home and abroad have successfully demonstrated a new platform for guiding the compressed light waves in very thin van der Waals ...

Condensed Matter Jul 8, 2022

Photoinduced large polaron transport and dynamics in organic-inorganic hybrid lead halide perovskite

Organic-inorganic hybrid metal halide perovskites (MHPs) have attracted tremendous attention for optoelectronic applications. For example, cost-effective solar cells, solid-state lighting, memristors, and ultrafast spin switches ...

Analytical Chemistry Jul 6, 2022

Researchers prepare novel low-melting, nitrogen-containing, stannous chlorophosphate glass

Researchers from the Shanghai Institute of Optics and Fine Mechanics (SIOM) of the Chinese Academy of Sciences (CAS) have prepared a P-Sn-O-Cl-N glass system at 350 °C and explored its structural properties.

Optics & Photonics Jul 5, 2022

High harmonics illuminate the movement of atoms and electrons

Laser light can radically change the properties of solid materials, making them superconducting or magnetic within millionths of a billionth of a second. The intense light causes fundamental, immediate changes in a solid ...

General Physics Jul 1, 2022

Keeping the energy in the room

It may seem like technology advances year after year, as if by magic. But behind every incremental improvement and breakthrough revolution is a team of scientists and engineers hard at work.

Materials Science Jun 29, 2022

Cooking up a conductive alternative to copper with aluminum

In the world of electricity, copper is king—for now. That could change with new research from Pacific Northwest National Laboratory (PNNL) that is serving up a recipe to increase the conductivity of aluminum, making it ...

Optics & Photonics Jun 24, 2022

Controlling non-classical mechanical states in a phononic waveguide architecture

Most quantum computing technologies rely on the ability to produce, manipulate and detect non-classical states of light. Non-classical states are quantum states that cannot directly be produced using conventional sources ...

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