Researchers have systematically studied the relations between symmetries and high-order non-Hermitian exceptional points (EPs), and observed the third-order exceptional line (EL) in a nitrogen-vacancy (NV) spin system. The ...
Nanophysics
Feb 5, 2024
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1
Thermal radiation is electromagnetic radiation emitted by all objects with temperature and most representatively, there is the solar radiation spectrum that enters the Earth and causes the greenhouse effect.
Nanophysics
Feb 5, 2024
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22
Many people are familiar with facial recognition systems that unlock smartphones and game systems or allow access to our bank accounts online. But the current technology can require boxy projectors and lenses. Now, researchers ...
Nanophysics
Feb 2, 2024
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154
Oxidation can degrade the properties and functionality of metals. However, a research team co-led by scientists from City University of Hong Kong (CityU) recently discovered that severely oxidized metallic glass nanotubes ...
Nanophysics
Feb 2, 2024
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54
The matter of how metals deform or respond to external stresses has been extensively studied among metallurgists for centuries. When it comes to conventional metals—the crystalline kind with atoms that line up in neat patterns—the ...
Nanophysics
Feb 1, 2024
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10
In a significant advancement for next-generation semiconductors, a collaborative research team has made groundbreaking discoveries in the field of two-dimensional (2D) semiconductors.
Nanophysics
Feb 1, 2024
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42
Despite remarkable progress in science and technology, rapid advancements have exposed limitations in many technological domains. A pressing challenge in semiconductor devices, which underpin ultrahigh-speed communications ...
Nanophysics
Jan 31, 2024
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1
Quantum dots are a kind of artificial atom: just a few nanometers in size and made of semiconductor materials, they can emit light of a specific color or even single photons, which is important for quantum technologies. The ...
Nanophysics
Jan 31, 2024
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66
Plasmonics are special optical phenomena that are understood as interactions between light and matter and possess diverse shapes, material compositions, and symmetry-related behavior. The design of such plasmonic structures ...
Nanophysics
Jan 30, 2024
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61
Pulsed laser ablation in liquid (PLAL) is a reliable and versatile technique for producing metal nanoparticles (NPs) in solution. Its advantages, including the absence of reducing agents, operational simplicity, high purity ...
Nanophysics
Jan 29, 2024
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