A storage device comprises a probe having a tip. The storage device also comprises a storage medium, with the tip of the probe to form the groove in the storage medium. The probe tip interacts with a surface of the groove to store and read data.

 
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> Method for patterning self-assembled colloidal photonic crystals and method for fabricating 3-dimensional photonic crystal waveguides of an inverted-opal structure using the patterning method
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