TY - JOUR T1 - Observation of vertical and lateral Ge segregation in thin undulating SiGe layers on Si by electron energy-loss spectroscopy JO - APPL PHYS LETT PY - 1997/08/11 AU - Walther T AU - Humphreys CJ AU - Cullis AG ED - VL - 71 IS - 6 SP - 809 EP - 811 Y2 - 2024/12/22 ER -