"After some trial and error, [researchers] found a way to adapt the technique to grow an extremely thin layer of metal oxide 'primer' near the foam's interior surfaces," the statement reads. "This ...

What are Metal Oxide Nanoparticles? Metal oxide nanoparticles are a class of nanomaterials composed of metal cations bonded to oxygen anions, with particle sizes ranging from 1 to 100 nanometers.

A technical paper titled “Recent Advances in Metal-Oxide-Based Photoresists for EUV Lithography” was published by researchers at University of South–Eastern Norway. “Extreme ultraviolet lithography ...