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The microfabrication process of a hemispheric gold quadrumer structure and its optical performance was investigated. A quadrumer structure consisting of polystyrene spheres coated with gold thin hemispheric shell was prepared. The difference in the interfacial free energies in the gold/polystyrene and gold/silicon interfaces enabled the gold-coated quadrumer structure to be peeled from the silicon...
It has been widely known that colloidal particles and their arrayed structures play a critical role in various fields because of their versatility. Based on an expectation that quadrupole microstructures would display unique optical characteristics, we focused on the fabrication process for quadrupole structures composed of colloidal particles. The quadrupole structures consisted of polystyrene particles...
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