Presentation Information
[15p-P06-7]Quantitative Order Analysis Based on Structural Units in Densified Silica Glass.
〇Yudai Shima1, Motoki Shiga1,2,3 (1.Tohoku Univ., 2.NIMS, 3.RIKEN)
Keywords:
glass,structural order analysis,ring analysis
In this study, we enumerated rings composed of chemical bonds in structural models of silica glass synthesized under various pressures (0-175 GPa). We then automatically extracted pairs of entangled rings without shared nodes (atoms) and quantitatively evaluated the shapes of the obtained rings. As a result, we found many entangled pairs in the range of 20-40 GPa. We also performed a similar analysis on silica crystals and confirmed the presence of pairs of entangled rings in coesite.
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