Original kilogram replaced
New International System of Units (SI) entered into force
23-May-2019 - In addition to Ampere, Kelvin, Mol and Co., the kilogram also is now defined by a natural constant. In concrete terms, this means that the original kilogram, which has been the measure of all things for 130 years, has now served its purpose in Paris. This is made possible by the single crystals ...
Thin photodetector could increase performance without adding bulk
Enabling optoelectronics advances
10-Jul-2017 - In today's increasingly powerful electronics, tiny materials are a must as manufacturers seek to increase performance without adding bulk. Smaller also is better for optoelectronic devices -- like camera sensors or solar cells -- which collect light and convert it to electrical energy. Think, for ...
Single crystal measures radioactivity
Affordable detectors for gamma radiation
21-Sep-2016 - A research team at Empa and ETH Zurich has developed single crystals made of lead halide perovskites, which are able to gage radioactive radiation with high precision. Initial experiments have shown that these crystals, which can be manufactured from aqueous solutions or low-priced solvents, work ...
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