@article{x.zhang20171,
author = {X. Zhang and T. Hickel and J. Rogal and J. Neugebauer},
title = {Origin of structural modulations in ultrathin Fe films on Cu(001)},
journal = {Physical Review Letters},
volume = {118},
OPTnumber = {},
OPTmonth = {01},
year = {2017},
OPTpages = {236101},
OPTnote = {},
OPTkey = {phase transitions; surface reconstruction; ultrathin films; density functional theory},
DOI = {10.1103/PhysRevLett.118.236101}
}