Figure 2

Morphologies of CsP-2 before and after heating. SE (a) and BSE (b) images of CsP-2 before heating. (c) SE image of CsP-2 after heating at 900 °C. White arrows in (a) and (c) indicate CsP-2.
Morphologies of CsP-2 before and after heating. SE (a) and BSE (b) images of CsP-2 before heating. (c) SE image of CsP-2 after heating at 900 °C. White arrows in (a) and (c) indicate CsP-2.