PMC Physics B

Table 2 Percentage of Si and O atoms with corresponding coordination numbers for SiO₂ nanoparticle with the size of 4 nm upon cooling from the melt to the amorphous state.

From: Evolution of structure of SiO₂nanoparticles upon cooling from the melt

T (K)	Z _Si-O			Z _O-Si
	2	3	4	1	2
7000	21.68	53.25	22.13	46.25	51.33
6300	16.58	55.51	25.93	43.52	53.86
5600	13.47	54.27	30.41	41.13	56.30
4900	7.90	53.93	36.50	35.46	62.12
4200	4.74	50.77	42.82	30.90	67.10
3500	1.99	37.40	59.44	22.09	75.71
2800	0.72	23.98	74.75	13.87	84.70
2100	0.72	11.20	87.85	6.98	92.16
1400	0.72	6.82	92.32	4.97	94.08
350	0.72	6.01	93.13	4.95	93.72

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