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Bilder aus der Forschung des PGI-1/IAS-1

fig3_jpg

(a) Crystalline and (b) amorphous Ge_2Sb_2Te_5
Simulation of 460 atoms and 52 vacancies in GST. Red: Ge, blue: Sb, yellow: Te, blue: cavities. Just one cavity is shown in the amorphous state. The structures look very different, but "ABAB squares" (A: Sb, Ge; B: Te) are very common in both.
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