Deep-ultraviolet birefringent hydrogel based on 2D cobalt-doped titanate

https://phys.org/news/2023-01-deep-ultraviolet-birefringent-hydrogel-based-2d.html

"synthesized two-dimensional (2D) inorganic cobalt-doped titanate (CTO) LC by using a wet chemical method. The 2D LC has large magnetic & optical anisotropy as well as high transmittance of > 70% in the wavelength of 300 ~ 350 nm, which enables the transmitted DUV modulation in a magnetic and portable way... applications: high density data storage, semiconductor micro-nano processing and photolithography"

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