TY - JOUR T1 - Mapping the potential within a nanoscale undoped GaAs region using a scanning electron microscope JO - Appl. Phys. Lett. UR - http://dx.doi.org/10.1063/1.1689755 PY - 2004/08/06 AU - Kaestner B AU - Rodenburg C AU - Humphreys CJ ED - DO - DOI: 10.1063/1.1689755 VL - 84 SP - 2109 EP - 2111 Y2 - 2025/06/23 ER -