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

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Rapid phase change in amorphous Ag/In/Sb/Te alloy
Laser irradiation or heating of the amorphous phase (left) cause the atoms to move. Finally, the central atom with three short (red) bonds and three long bonds (dashed) crosses the centre of the octahedron, interchanging a short and a long bond. Green arrow: resultant vector of short bonds. An avalanche of such processes leads to the crystal form (right).


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