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2‐Dtwo dimensionalBObridging oxygenCRNcontinuous random networkFSDPfirst sharp diffraction peakIROintermediate‐range orderLROlong‐range orderMDmolecular dynamicsMRNmodified random networkMROmedium‐range orderNBOnon‐bridging oxygenNDneutron diffractionNMRnuclear magnetic resonanceRMCreverse Monte CarloSROshort‐range orderv‐SiO2 vitreous SiO2XRDX‐ray diffraction

Figure 1 Two‐dimensional representation of a crystal structure for a composition A₂O₃. Small dark spheres: A atoms; large light spheres: oxygens. Unit cell delineated by thick, dashed lines.