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Researchers build structured, multi-part nanocrystals with super light-emitting properties


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IMAGE: Researchers combined perovskite nanocubes - tiny crystals with useful electrical or optical properties - with spherical nanoparticles to form a regular, repeating structure called a superlattice. Some of these structures.
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Credit: Image courtesy of Maksym Kovalenko and Ihor Cherniukh/ETH Zürich, the Swiss Federal Institute of Technology
AMES, Iowa - Researchers have developed new types of materials that combines two or three types of nanoparticles into structures that display fundamental new properties such as superfluorescence.
The whole goal of this research is to make new materials with new properties and/or exotic new structures, said Alex Travesset, an Iowa State University professor of physics and astronomy and an associate scientist for the U.S. Department of Energy s Ames Laboratory. Those materials are made of very tiny materials, nanoparticles, and lead to properties not shared by more traditional materials made ....

Iowa State University , United States , Maryna Bodnarchuk , Ihor Cherniukh , Max Burian , Alex Travesset , Heinz Amenitsch , Rolf Erni , Rainer Mahrt , Denys Naumenko , Alejandro Travesset , Maksym Kovalenko , Swiss Federal Institute Of Technology , Us Department Of Energy Ames Laboratory , Ames Laboratory , National Science Foundation , Research Team , Paul Scherrer Institute , Research Europe , Graz University Of Technology , Swiss Federal Institute , State University , Gabriele Rain , Scherrer Institute , Swiss Federal Laboratories , Materials Testing ,

Eco-energy without limits?


Eco-energy without limits?
Federal Laboratory for Materials Testing and Research
Dübendorf, St. Gallen und Thun, 11.05.2021 - Even a sustainable circular economy doesn t run without energy. Solar panels and wind farms, tidal and geothermal power plants: They all divert energy from energy fluxes that had remained untapped since time immemorial. The question is therefore: What part of these energy fluxes can mankind use for its own purposes without damaging the Earth s energy system? Empa researchers have developed an approach to estimate this.
The Earth has its limits. We are becoming more and more aware of this in view of the climate crisis, the increasing extinction of species and the littering of the oceans (and even space) as a result of human activity. In response, governments and institutions the world over are championing the concept of a circular economy. By closing material cycles, the environmental impacts associated with the extr ....

Harald Desing , Rainer Klose , Empa Technology , Laboratory For Materials Testing , Society Lab , Federal Laboratory , Materials Testing , மழை க்ளோஸ் , ஆய்வகம் க்கு பொருட்கள் சோதனை , சமூகம் ஆய்வகம் , கூட்டாட்சியின் ஆய்வகம் , பொருட்கள் சோதனை ,