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Tokyo Metropolitan University researchers have achieved high-throughput production of thin, ordered, titania through-hole membranes. The method relies on anodization — a process that increases the thickness of a natural oxide layer on the surface of metal parts, in this case mask-etched titanium — and charts a course for industrial production of ordered titania membranes for integrated photonics.
Also known as titanium dioxide, titania is commonly used to make photonic crystals, as the reflective layers in mirrors, as a coating for self-cleaning and anti-fogging surfaces, as a pigment, and as a UV light absorber (often as the active ingredient in sunscreens). In the presence of light, it also accelerates chemical…READ MORE