Patent ID: 9018082
Filing Date: 2015-04-28
Classification: H01L

Abstract:
1. A method comprising: providing a patterned oxide layer on a semiconductor substrate, said patterned oxide having at least one opening that exposes an uppermost surface of said semiconductor substrate; forming an oxygen reactive element-containing layer on an upper surface of said patterned oxide layer and on said exposed upper lost surface of said semiconductor substrate; performing an anneal process which forms a compound oxide layer in areas in which said oxygen reactive element-containing layer is in direct contact with said upper surface of said patterned oxide, said anneal process further forms a non-oxidized seed material in areas in which said element-containing layer is in direct contact with said exposed uppermost surface of said semiconductor substrate, wherein said non-oxidized seed material is in a form of a non-oxidized semi-sphere, and wherein at least a part of said patterned oxide layer is consumed during said anneal; and growing semiconductor nanowires from said non-oxidized seed material.