Research / 2022 / Article / Fig 1

Research Article

In Situ Investigation of the Phase Transition at the Surface of Thermoelectric PbTe with van der Waals Control

Figure 1

Morphology and crystal structure of PbTe. (a) SEM image of bulk PbTe. (b, c) HRTEM and corresponding FFT-images of PbTe. (d) HAADF image of PbTe. (e) The elemental maps for Pb and Te in PbTe show a uniform distribution of both elements. (f) EDS spectra of PbTe.