ˈaɪɑːn bəmbˈɑːɹdmənt ˈɔːlsoʊ ˈɪŋkɹiːsᵻz ðə dˈɛnsᵻɾi ʌvðə fˈɪlm, tʃˈeɪndʒᵻz ðə ɡɹˈeɪn sˈaɪz ænd mˈɑːdᵻfˌaɪz ɐmˈoːɹfəs fˈɪlmz tə pˌɑːlɪkɹˈɪstɐlˌaɪn fˈɪlmz.
Ion bombardment also increases the density of the film, changes the grain size and modifies amorphous films to polycrystalline films.