[Formula: see text] ↔ (3 × 3) phase transition in Pb/Ge(111) and Sn/Ge(111): a phenomenological study on the phase transition anomalies and the role of defects.
[Formula: see text] ↔ (3 × 3) phase transition in Pb/Ge(111) and Sn/Ge(111): a phenomenological study on the phase transition anomalies and the role of defects(English)