Magnetization can be switched with a single laser pulse. However, it is not known whether the underlying microscopic process is scalable to the nanometer length scale, a prerequisite for making this technology competitive ...
Nanophysics
Jun 27, 2024
0
12
Osaka City University scientists and colleagues in Japan have found a way to control an interaction between quantum dots that could greatly improve charge transport, leading to more efficient solar cells. Their findings were ...
Quantum Physics
Nov 20, 2020
0
12
Researchers at the University of Southampton's Optoelectronics Research Centre (ORC) have created an artificial material, a metamaterial, with optical properties that can be controlled by electric signals.
Nanophysics
Mar 19, 2013
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0
An international group of physicists discovered a phenomenon of large magnitude in an unexpected class of materials that can lead to a variety of devices used in optical systems.
Condensed Matter
Mar 21, 2016
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48
Researchers at Beijing University of Chemical Technology (BUCT) and BOE Technology Group Co., Ltd. (BOE) have developed a novel type of transparent organic–inorganic hybrid photoresist with highly tunable refractive index.
Nanophysics
Jun 12, 2024
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0
A NIMS research team led by Liyuan Han, director of the Photovoltaic Materials Unit, has developed the world's first method to fabricate high-quality perovskite materials capable of utilizing long-wavelength sunlight of 800 ...
Materials Science
Nov 2, 2015
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15
Optical tweezers are a device which uses a laser beam to move micron-sized objects such as living cells, proteins, and molecules. In 2018, the American physicist Arthur Eshkin received the Nobel Prize for this technology. ...
Optics & Photonics
Jul 23, 2020
0
28
The human eye cannot see through wood, paper, or plastic. But a compact radar with a modular design now makes it possible to see the invisible: The millimeter wave sensor penetrates non-transparent material. It transmits ...
Engineering
Mar 27, 2013
1
0
Physicists from the University of Sussex have developed an extremely thin, large-area semiconductor surface source of terahertz, composed of just a few atomic layers and compatible with existing electronic platforms.
Optics & Photonics
Mar 30, 2021
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43
Excitons are electron-hole pairs in semiconductors that are electrostatically bound by strong Coulombic interactions. In ultrathin 2D semiconductors that are a few atoms thick (typically ~0.7 nm), the decreased z-dimension ...
Condensed Matter
Jun 21, 2023
0
10
