TY - GEN AU - Brihuega,I AU - Custance,O AU - Ugeda,M M AU - Oyabu,N AU - Morita,S AU - Gómez-Rodríguez,J M TI - Direct observation of a (3 x 3) phase in alpha-Pb/Ge(111) at 10 K SN - 0031-9007 PY - 2006///0215 N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/PhysRevLett.95.206102 ER -