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Figure 5
The distribution of Si—O—Si bond angles during cooling, starting from the HP-tridymite structure. Two distributions were calculated, i.e. that in the XY plane and that out of the XY plane, each based on its average coordinates at temperatures of 1500, 900, 700 and 10 K. (1) Peak characteristic of the HP structure. (2) Peak characteristic of LHP. (3) Peak characteristic of OP. (4) Lower shift of the peak characteristic of OP.

Volume 5| Part 3| May 2018| Pages 325-334
ISSN: 2052-2525