A slow-motion movie on sports television channels shows processes in hundredths of a second. By contrast, processes on the nanoscale take place in the so-called femtosecond range: For example, an electron needs only billionths ...
Nanophysics
Feb 23, 2023
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209
At the heart of every mobile phone, laptop and autonomous vehicle is a tiny semiconductor whose properties and, ultimately, performance are determined by free electrons. Now, UC Berkeley researchers have developed a new way ...
Nanophysics
Feb 20, 2023
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33
In situ observation and recording of important liquid-phase electrochemical reactions in energy devices is crucial for the advancement of energy science.
Nanophysics
Jan 31, 2023
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23
The X-rays used to examine a broken leg in hospital are easy to produce. In industry, however, X-ray radiation of a completely different kind is needed—namely, X-ray laser pulses that are as short and high-energy as possible. ...
Optics & Photonics
Jan 18, 2023
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36
Ammonia (NH3), the chemical compound made of nitrogen and hydrogen, currently has many valuable uses, for instance serving as a crop fertilizer, purifying agent, and refrigerant gas. In recent years, scientists have been ...
The relationship between microstructure evolution and property degradation of two representative second-phase dispersion strengthened tungsten materials after electron beam thermal loading was investigated recently by a collaborated ...
Materials Science
Jan 6, 2023
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6
A University of Minnesota Twin Cities-led team of scientists and engineers has developed a new method for making thin films of perovskite oxide semiconductors, a class of "smart" materials with unique properties that can ...
Nanophysics
Jan 3, 2023
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251
A pressing quest in the field of nanoelectronics is the search for a material that could replace silicon. Graphene has seemed promising for decades. But its potential has faltered along the way, due to damaging processing ...
Nanophysics
Dec 21, 2022
1
176
How does your phone know it's you when you use facial recognition to unlock it? An array of tiny lasers light up your face, and your phone uses the reflection to construct a 3D model—not unlike a topographical map of your ...
Optics & Photonics
Dec 12, 2022
0
9
Terahertz (THz) radiation is electromagnetic radiation ranging from frequencies of 0.1 THz to 10 THz, with wavelengths between 30μm and 3mm. Reliably detecting this radiation could have numerous valuable applications in ...
