TY - JOUR T1 - An improved ptychographical phase retrieval algorithm for diffractive imaging. JO - Ultramicroscopy PY - 2009/09/01 AU - Maiden AM AU - Rodenburg JM ED - DO - DOI: 10.1016/j.ultramic.2009.05.012 VL - 109 IS - 10 SP - 1256 EP - 1262 Y2 - 2024/12/22 ER -