An international collaboration involving European, Israeli, and US scientists realize for the first time strong and directionally dependent interactions in quantum liquids of excitons, which contrasts with the spatial isotropy ...
Quantum Physics
May 10, 2019
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7
Excitons are quasiparticles which can transport energy through solid substances. This makes them important for the development of future materials and devices—but more research is needed to understand their fundamental ...
Optics & Photonics
Feb 16, 2021
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93
Bound electron-hole pairs, or excitons, are the workhorses in layered transition metal dichalcogenide semiconductors. Like the negative and positive charge carriers from which it forms, the exciton exhibits great mobility ...
Condensed Matter
Feb 10, 2023
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4
Organic semiconductors are an emerging class of materials for opto-electronic devices such as solar cells and organic light emitting diodes. As a result, it's important to tune materials properties for specific requirements ...
Optics & Photonics
Apr 22, 2022
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9
EPFL engineers have found a way to control the interactions between excitons—quasiparticles that may one day transport data and replace the electrons in electronic devices. The engineers' method involves applying an electric ...
Condensed Matter
May 9, 2023
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84
High pressure, as an extreme condition, can effectively change the interaction between atoms inside a material, forcing the electronic structure and optical properties to change. Studying the optical and ultrafast dynamical ...
Condensed Matter
Aug 27, 2021
0
563
A study, published in Nature Communications and led by Prof. Liu Xinfeng from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS), recently reported an enhancement in exciton ...
Nanophysics
Mar 15, 2024
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32
Researchers are working to improve 2D semiconductors by better understanding dark excitons and how they could be applied to future technologies ranging from quantum computers to next-generation solar panels.
Optics & Photonics
Dec 21, 2022
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139
Researchers have observed, in metals for the first time, transient excitons – the primary response of free electrons to light. Here, the researchers discovered that the surface electrons of silver crystals can maintain ...
General Physics
Jun 1, 2015
4
18
Modern silicon-based integrated circuits (ICs) have reached the practical limits of miniaturisation, while the use of organics can potentially allow the creation of microchip elements as large as a single molecule. Scientists ...
Materials Science
Aug 29, 2019
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47
