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Search results for phonons

Nanophysics 14 hours ago

Programmable DNA moiré superlattices: Expanding the material design space at the nanoscale

Researchers are creating new moiré materials at the nanometer scale using advanced DNA nanotechnology. DNA moiré superlattices form when two periodic DNA lattices are overlaid with a slight rotational twist or positional ...

General Âé¶¹ÒùÔºics Jul 10, 2025

Adding up Feynman diagrams to make predictions about real materials

Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings physicists use to represent particle interactions. The new method has already enabled the researchers ...

Cell & Microbiology Jul 3, 2025

Ireland's first BioBrillouin microscope will enable non-invasive assessment of living cells and tissues in real-time

Trinity College Dublin now has Ireland's first and only BioBrillouin microscope, which will enable researchers to make giant strides in the fields of inflammation, cancer, developmental biology and biomedical materials, among ...

Nanophysics Jul 2, 2025

Heat-flow modeling at nanoscale investigated through two theoretical models

Keeping electronic devices cool is important when considering both their function and durability, as temperature influences material properties and energy flow. The temperature of "hot spots" that can be detected affects ...

Condensed Matter Jun 27, 2025

Twisted trilayer graphene shows high kinetic inductance

Superconductivity is an advantageous physical phenomenon observed in some materials, which entails an electrical resistance of zero below specific critical temperatures. This phenomenon is known to arise following the formation ...

Nanophysics Jun 23, 2025

Coupled electrons and phonons may flow like water in 2D semiconductors

A condition long considered to be unfavorable to electrical conduction in semiconductor materials may actually be beneficial in 2D semiconductors, according to new findings by UC Santa Barbara researchers published in the ...

Condensed Matter Jun 20, 2025

Phonon-mediated heat transport across materials visualized at the atomic level

Gao Peng's research group at the International Center for Quantum Materials, School of Âé¶¹ÒùÔºics, Peking University, has developed a breakthrough method for visualizing interfacial phonon transport with sub-nanometer resolution. ...

Nanophysics Jun 18, 2025

Electron microscopy technique captures nanoparticle organizations to forge new materials

A research team including members from the University of Michigan have unveiled a new observational technique that's sensitive to the dynamics of the intrinsic quantum jiggles of materials, or phonons.

Nanophysics Jun 13, 2025

Revealing the hidden enemies of light in perovskite materials

Colloidal halide perovskite nanocrystals have emerged as strong candidates for light-emitting diodes and solar applications due to their excellent photoluminescent properties. However, instability and lead toxicity limit ...

Nanophysics Jun 12, 2025

Ultrafast spin-exchange in quantum dots enhances solar energy and photochemical efficiency

Quantum dots are microscopic semiconductor crystals developed in the lab that share many properties with atoms, including the ability to absorb or emit light, a technology that Los Alamos researchers have spent nearly three ...

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