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Table 1 Comparisons and scaling for R [1]

From: Nano-regime Length Scales Extracted from the First Sharp Diffraction Peak in Non-crystalline SiO₂ and Related Materials: Device Applications

Glass	Q₁(Å⁻¹)	R(Å)	r₁(Å)	r ₁ Q ₁
SiO₂	1.55	4.1	1.61	2.48
GeO₂	1.55	4.1	1.74	2.70
B₂O₃	1.57	4.0	1.36	2.14
SiSe₂	1.02	6.2	2.30	2.35
GeS₂	1.00	6.3	2.37	2.37
GeS₂	1.04	6.0	2.22	2.30
As₂S₂	1.27	4.9	2.28	3.10
As₂S₂	1.26	5.0	2.44	2.87

r₁ = bond length

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