bɪkˈʌz sˌɛmɪkəndˈʌktɚ dɪvˈaɪsᵻz bˈɛnɪfˌɪt fɹʌm hˌævɪŋ ɐmˈoːɹfəs fˈɪlmz pɹˈɛzənt, ɹᵻsˈɜːtʃɚz hæv ˈælɔɪd hˈæfniəm ˈɑːksaɪd wɪð ɐlˈuːmɪnəm ɔːɹ sˈɪlɪkən fˈɔːɹmɪŋ hˈæfniəm sˈɪlᵻkˌeɪts, wˌɪtʃ hæv ɐ hˈaɪɚ kɹˌɪstɐlᵻzˈeɪʃən tˈɛmpɹɪtʃɚ ðɐn hˈæfniəm ˈɑːksaɪd.
Because semiconductor devices benefit from having amorphous films present, researchers have alloyed hafnium oxide with aluminum or silicon (forming hafnium silicates), which have a higher crystallization temperature than hafnium oxide.