Researchers at the National Institute of Standards and Technology (NIST) have fabricated a novel device that could dramatically boost the conversion of heat into electricity. If perfected, the technology could help recoup ...
Nanophysics
May 19, 2023
0
122
The fracturing and friction of coffee beans during grinding generates electricity that causes coffee particles to clump together and stick to the grinder. Researchers report Dec. 6 in the journal Matter that coffee beans ...
General Physics
Dec 6, 2023
3
441
Many substances change their properties when they are cooled below a certain critical temperature. Such a phase transition occurs, for example, when water freezes. However, in certain metals there are phase transitions that ...
Condensed Matter
Jul 31, 2023
2
210
Tiny crystals, known as quantum dots, have enabled an international team to achieve a quantum efficiency exceeding 100 percent in the photocurrent generated in a hybrid inorganic-organic semiconductor.
Optics & Photonics
Aug 4, 2022
0
2140
Ordinary pencil lead holds extraordinary properties when shaved down to layers as thin as an atom. A single, atom-thin sheet of graphite, known as graphene, is just a tiny fraction of the width of a human hair. Under a microscope, ...
Nanophysics
Oct 18, 2023
1
109
Researchers in Germany and the U.S. have produced the first theoretical demonstration that the magnetic state of an atomically thin material, α-RuCl3, can be controlled solely by placing it into an optical cavity. Crucially, ...
Condensed Matter
Nov 3, 2023
1
950
Osaka Metropolitan University scientists have achieved an unprecedented stabilization of the high-temperature phase of Li3PS4—a critical material for all-solid-state batteries—thus attaining exceptional ionic conductivity ...
Analytical Chemistry
Jun 21, 2023
1
134
It was a simple idea—maybe even too simple to work.
Polymers
Dec 2, 2022
0
967
All magnets—from the simple souvenirs hanging on your refrigerator to the disks that give your computer memory to the powerful versions used in research labs—contain spinning quasiparticles called magnons. The direction ...
Quantum Physics
Sep 7, 2022
2
1865
Imagine a home computer operating 1 million times faster than the most expensive hardware on the market. Now imagine that level of computing power as the industry standard. University of Arizona researchers hope to pave the ...
Optics & Photonics
Mar 21, 2023
2
966
