A singular morphology was found in smoke by the simultaneous evaporation of
SiO and metals (Cr and Fe). The growth has been discussed on the basis of
the VLS mechanism. The alloy particles of CrSi2 and CrFe2 with Si tail whic
h were covered with an SiO2 layer have also been found. (C) 1999 Elsevier S
cience B.V. All rights reserved.