Chemists and materials scientists often study "nanotubes" -- capsule-shaped molecules only a few billionths of a meter (nanometers) in width. In nanotube form, many materials take on useful, unique ...

In recent years, cerium oxide has been used in many different applications, including as a nanoparticle fuel additive to lower particulate matter emissions and boost fuel economy. Many uses of cerium ...

R. C. VICKERY has stated 1 that evidence for more than one crystal structure has been obtained when preparing cerium oxide by igniting various salts of cerium. He classified some preparations he had ...