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Regularly arranged nanosized metal particles have potential application as quantum dots in nanoelectronics. The synthesis and properties of ligand-protected metal clusters and colloids as well as their organization in one, two, and three dimensions is reviewed. The Figure is a transmission electron micrograph of a wire of 15 nm gold colloids in a ∼50 nm pore in alumina.
Schmid et al. (Fri,) studied this question.