A team of physicists at CU Boulder has solved the mystery behind a perplexing phenomenon in the nano realm: why some ultra-small heat sources cool down faster if you pack them closer together. The findings, published today ...
Nanophysics
Sep 20, 2021
0
1473
Owing to high quantum yields, large absorption cross-section, excellent carrier transport performance and narrow-band emission, inorganic lead-halide perovskite semiconductors have received increasing attention for their ...
Nanomaterials
Aug 30, 2021
0
8
Professor Konstantin Arutyunov of the HSE Tikhonov Moscow Institute of Electronics and Mathematics (MIEM HSE), together with Chinese researchers, has developed a graphene-based mechanical resonator, in which coherent emission ...
Optics & Photonics
Jun 18, 2021
0
16
Batteries and fuel cells often rely on a process known as ion diffusion to function. In ion diffusion, ionized atoms move through solid materials, similar to the process of water being absorbed by rice when cooked. Just like ...
General Physics
May 31, 2021
1
411
In a September 2020 essay in Nature Energy, three scientists posed several "grand challenges"—one of which was to find suitable materials for thermal energy storage devices that could be used in concert with solar energy ...
Analytical Chemistry
Apr 2, 2021
1
2178
Without electronics and photonics, there would be no computers, smartphones, sensors, or information and communication technologies. In the coming years, the new field of phononics may further expand these options. That field ...
Nanomaterials
Mar 1, 2021
0
431
In 2017, astronomers witnessed the birth of a black hole for the first time. Gravitational wave detectors picked up the ripples in spacetime caused by two neutron stars colliding to form the black hole, and other telescopes ...
General Physics
Feb 16, 2021
5
359
Researchers perform experiments that can add or subtract a single quantum of sound—with surprising results when applied to noisy sound fields.
Quantum Physics
Jan 25, 2021
0
405
A team of researchers lead by the University of Tsukuba have created a new theoretical model to understand the spread of vibrations through disordered materials, such as glass. They found that as the degree of disorder increased, ...
General Physics
Jan 15, 2021
0
14
Often admired for their flawless appearance to the naked eye, crystals can have defects at the nanometer scale, and these imperfections may affect the thermal and heat transport properties of crystalline materials used in ...
Condensed Matter
Jan 12, 2021
0
35
