TY - JOUR AU - Y. An AU - Steven Cundiff BT - Physical Review B DA - 5/2003 DO - 10.1103/PhysRevB.67.193302 PY - 2003 T2 - Physical Review B TI - Phase inversion in rotational anisotropy of second harmonic generation at Si(001) interfaces VL - 67 SN - 0163-1829 ER -