Process for producing quantum fine wire

Abstract

A process of producing quantum fine wires, it is called silicon nanowires, too, which allows silicon quantum fine wires to grow into desirable shapes. In this process, gold is deposited on a silicon substrate to a thickness of 5 nm or less, and the silicon substrate is heated at a temperature of 450.degree. C. to 650.degree. C. in an atmosphere containing silane gas at a pressure less than 0.5 Torr, whereby drops of a molten alloy of silicon and gold are formed on the surface of the silicon substrate and the silane gas is decomposed by the action of the molten alloy drops as catalyst, to allow silicon quantum fine wires to grow into such desirable shapes as to be uniform in diameter without any bending.

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