Today, Chinese scientists are ready to prepare a variety of large-sized bulk metallic glass systems, and their achievements in the analysis of the structure, formation, and mechanical and physical properties of bulk metallic glass have attracted broad international interest and attention.
This special issue is a representative review of the most important research results of the key research groups in China, and it tries to cover almost all aspects of metallic glass, including amorphous structure, preparation techniques, exploration of new materials, mechanical and physical properties, and the like.
We hope that this special issue can display the latest progress in metallic glass research in China, and that it will also promote communication and cooperation in this field.
Science in China Series G-Physics Mechanics Astronomy 2008 VOL 51 NO. 41. Giant enhancement of magnetocaloric effect in metallic glass matrix composite
Science in China Series G-Physics Mechanics Astronomy;2008;51(4);400-413
Science in China Series G-Physics Mechanics Astronomy;2008;51(4);438-44414. In situ X-ray diffraction study of structural evaluation in Fe73Cu1. 5Nd3Si13.5B9 amorphous alloy at high temperature
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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, imaging, and photovoltaics.
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In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
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The efficiency of power electronic systems is not solely dependent on electrical efficiency but also on weight, for example, in mobile systems. When the weight of relevant components and devices in airplanes, for instance, is reduced, fuel savings can be achieved and correspondingly greenhouse gas emissions decreased. New materials and components based on gallium nitride (GaN) can help to reduce weight and increase the efficiency. With these new materials, power electronic switches can be operated at higher switching frequency, resulting in higher power density and lower material costs.
Researchers at the Fraunhofer Institute for Solar Energy Systems ISE together with partners have investigated how these materials can be used to make power...
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