Novel silicon powder having high purity and density and method of making same

摘要: A powder of elemental silicon having high purity and a density in excess about 0.6 g/cm3, preferably ranging from 0.8 to 1.2 which is non-amorphous as determined by X-ray analysis, facilely prepared thermally decomposing silane feedstream at decomposition reaction temperature 500° 700° C., 600° C.