A high-resolution TEM image of the nanoparticles studied in this work. Courtesy: J Belo Most materials expand when they are heated up and contract when cooled down – a phenomenon known as positive ...
An optical image showing a hBN aerogel sample resting on the stamen of a flower. (Credit: X Xu and X Duan) A new mechanically strong, double-pane ceramic aerogel made from hexagonal boron nitride that ...
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