Iron silicidefilmshavebeensynthesizedbymetalvaporvacuumarc (MEVVA)ionimplantationofironinto (1 1 1 )and
(1 0 0 )orientedsiliconwafers.Thestructureevolutionwascharacterizedusingtransmissionelectronmicroscopy (TEM)andhighresolutionelectronmicroscopy (HREM) .TheβFeSi2filmsandburiedlayerswithdifferentdepthandthicknesswereobtainedbyadjustingtheimplantationenergyanddose .Theformationofα,β,γandCsCl FeSi2 phaseshavebeenobserved .ThephasetransitionorderisγFeSi2→βFeSi2→αFeSi2,CsClFeSi2→βFeSi2→αFeSi2 or βFeSi2→αFeSi2.Anamorphouslayerwasformedat60kVand 4× 1 0 1 7ions cm2 ,thephasetransitionorderisamorphous→β FeSi2 →α FeSi2 .Themorphologyandpositionofthesilicidefilmschangewiththeannealingtemperature.Thesilicidegrainsgrowwithincreasingannealingtemperaturewithfurtherincreaseoftemperature ,thecontinuoussilicidelayersshrinkintoisolatedislandsandtheinterfaceβ FeSi2 Sibe comesrougher.Inthispaper,thecomplicatedorientationrelationshipsexistingbetweenβ FeSi2 andSiwerealsoinvestigated