Symmetric graphene quantum dots, data from a diamond sandwich, and other materials stories that may be of interest for May 10, 2023.
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Fast grain boundary diffusion of cations is a well understood phenomenon in metals—but much less is known about this phenomenon in oxygen-ion conducting metal oxides. Researchers at RWTH Aachen University simulated this diffusion and found that although metal ions move faster along the boundaries than in bulk, the process is not necessarily less energy intensive.
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Phase change materials are an excellent way to store data—if you know how to effectively switch between the material’s glassy and crystal states. Researchers at the University of Arizona and RWTH Aachen University discovered unlike most glasses, the PCM Ge2Sb2Te5 can switch directly from glassy to crystal without entering the liquid phase.
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ACerS Glass & Optical Materials Division and the German Society of Glass Technology are set to meet jointly for the first time in Aachen, Germany, May 25-30.
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