Self-assembled solidifying eutectic materials directed by a template with miniature features demonstrate unique microstructures and patterns as a result of diffusion and thermal gradients caused by the template. Despite the ...
Materials Science
Feb 14, 2024
0
44
Using 3D printing and porous silicon, researchers at the University of Illinois Urbana-Champaign have developed compact, visible wavelength achromats that are essential for miniaturized and lightweight optics. These high-performance ...
Optics & Photonics
Dec 9, 2023
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536
The world sits on the brink of a major ecological disaster and the need for renewable energy sources has never been more urgent. Perhaps the most significant source of untapped renewable energy is, unsurprisingly, the Sun. ...
Optics & Photonics
Apr 14, 2022
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45
The carbon material graphene has no well-defined thickness; it merely consists of one single layer of atoms. It is therefore often referred to as a "two-dimensional material." Trying to make a three-dimensional structure ...
Nanomaterials
Jan 31, 2022
0
114
Scientists at the National Research Nuclear University MEPhI (MEPhI) have demonstrated an increase in the intensity and emission rate of quantum dots. According to the authors of the study, the development could help to solve ...
Optics & Photonics
Nov 4, 2020
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274
A research team from Tokyo Institute of Technology (Tokyo Tech) and Waseda University have successfully produced high-quality thin film monocrystalline silicon with a reduced crystal defect density down to the silicon wafer ...
Electronics & Semiconductors
Mar 16, 2018
0
13
Extremely fine porous structures with tiny holes, resembling a kind of sponge at nano level, can be generated in semiconductors. This opens up new possibilities for the realization of tiny sensors or unusual optical and electronic ...
Materials Science
Jan 23, 2018
0
16
An international group of scientists has created a new approach to the diagnostics of breast cancer with the help of nanoparticles of porous silicone.
Bio & Medicine
Jan 18, 2017
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17
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, ...
Nanophysics
Nov 28, 2016
0
164
Physicists from the Lomonosov Moscow State University have worked out a new and more eco-friendly method of obtaining silicon nanowires that replaces hydrofluoric acid (HF) with ammonium fluoride (NH4F).
Nanophysics
Oct 19, 2016
0
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