Overhead view of planar patterns obtained by shadow lithography: Evaporated metal atoms are deposited obliquely onto a monolayer colloidal crystal of spheres on a rotating substrate. Colors and brightness represent values of rotation and deposition tilt angles, respectively.
From the article:
Characterization of Patterns Formed by Shadows of SpheresSarah V. Kostinski, Elizabeth R. Chen, and Michael P. Brenner
Phys. Rev. Lett. 112, 235502 (2014)
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