TY - JOUR T1 - Ultrathin oxide films and heterojunctions: CaO layers on BaO and SrO JO - PHYS CHEM CHEM PHYS PY - 2009/01/01 AU - Mohn CE AU - Allan NL AU - Harding JH ED - DO - DOI: 10.1039/b822588e VL - 11 IS - 17 SP - 3217 EP - 3225 Y2 - 2025/06/18 ER -