Scientists See Smallest-Ever Square Nanotube

Publicado em 20/02/2009 – 20/02/2009 – An electron microscope image of the smallest reported square-cross-section nanotube. Image courtesy Daniel Ugarte Scientists have observed the smallest reported nanotube that has a square cross-section. The structure formed spontaneously and unexpectedly when silver nanowires were stretched and is a reminder that scientists still have much more to learn about the nanoscale […]