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Universal amorphous-amorphous transition in GexSe100−x glasses under pressure

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Academic year: 2021

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Figure 3b reveals the pressure dependence of the energy variation in Ge K edge position of Ge 17 Se 83
Figure 4.  The pressure-volume equation of state for amorphous Ge x Se 100−x . The results obtained by AIMD  (filled diamond symbols) are compared to the measured data of Ge 20 Se 80  of Kalkan et al
Figure 5.  AIMD results of Ge 25 Se75. (a) The reduced density dependence of the coordination number
Figure 6. (a) Calculated interatomic distances evolution of selected compositions as a function of ρ /ρ  0  the  filled squares shows the average distances within the first shell consisting of 4 neighbors while the half filled  circles show the average dis

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