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    Nanostructures with unexpected properties absent in their bulk counterparts have fascinated people for many years. However recent reports of room-temperature magnetism in nanoparticles have attracted even more attentions. Quantum confinement, surface effect or structural defects all have been used to interpret the magnetism induced by unpaired spins in nanoparticles. Semiconductor quantum dots with unique electronic and optical properties are important in information and communication technologies however the magnetism is missing. Nanosphere lithography, in which various sizes of polystyrene nanospheres are used as a deposition mask to fabricate nanostructures, is an alternative nano-fabrication technique. Monolayer nanospheres as a topographical pattern can also be used to fabricate nanostructures. The curvature of nanospheres may induce lateral film-thickness variations that genera ... 전체 초록 보기

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      UCI(KEPA) : I410-ECN-0101-2009-428-016706911