@article{articlee12768bc,
title   = {Amorphous 'HfO IND.2´ and 'Hf IND.1-x´ 'Si IND.x´O via a melt-and-quench scheme using ab initio molecular dynamics},
author = {Scopel, Wanderla Luis and Silva, Antonio Jose Roque da and Fazzio, Adalberto},
year = {2008},
journal   = {Physical Review B}
}