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High-entropy alloys (HEAs) are promising materials for catalysis and energy storage, and at the same time they are extremely hard, heat resistant and demonstrate great variability in their magneti ...
Be it magnets or superconductors: materials are known for their various properties. However, these properties may change spontaneously under extreme conditions. Researchers at the Technische Unive ...
EPFL researchers have discovered that Vanadium Dioxide (VO2), a compound used in electronics, is capable of “remembering” the entire history of previous external stimuli. This is the first materia ...
This view into processes that take place within so-called artificial spin ice could play an important role in the development of novel high-performance computers. When water freezes to form ice ...
Prussian blue analogs (PBAs) are promising cathode materials for sodium-ion batteries (SIBs) due to their low-cost, similar energy density comparable with that of LiFePO4 in lithium-ion batteries, and long cycle life. Nevertheless, crystal water (≈10 wt%) in PBAs from aqueous synthesis environments can bring significant side effects in real SIBs, especially for calendar life and high temperature storage performance. Therefore, it is of great importance to eliminate crystal water in PBAs for future commercial applications. Herein, a facile heat-treatment method is reported in order to remove ...