Figure 2.

aLow magnification TEM images of a GaAs/InAs nanowire heterostructure.bA high-magnification TEM image of the GaAs/InAs nanowire, and its corresponding EDS line-scan spectrum across the nanowire is shown in (c).dAn electron diffraction pattern taken on the GaAs/InAs core/shell structure.eHigh resolution TEM image showing GaAs/InAs interface region

Paladugu et al. Nanoscale Research Letters 2009 4:846-849   doi:10.1007/s11671-009-9326-6