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Table 3 Assignment of Ge-O related vibration bands

From: Effect of Ge Content on the Formation of Ge Nanoclusters in Magnetron-Sputtered GeZrOx-Based Structures

Type of bonding

Spectral position, cm−1 (vibration type)

Reference

Ge-O

515, 555 and 587 (triplet of hexagonal GeO2) (stretching)

[35, 36]

Ge-O-Ge

580 (bending), 870 (stretching)

[37]

Ge-O

1060-1080 (non-bridging)

[37]

Ge-O

696 stretching (in ZrGeO4)

[28]

Ge-O-Ge

575 bending (in ZrGeO4)

O-Ge-O

453 bending (in ZrGeO4)

Ge-O

410 (ν(M-O) in [MO6])

[29]

453 (δ(Ge-O) in [GeO4])

506 (ν(Ge-O) in [GeO4] glassy GeO2)

502-580 shoulder (ν(Ge-O) in glassy GeO2)

575 (ν(Ge-O) in [GeO6])

586 (δ(Ge-O) in [GeO4])

696 (ν(Ge-O) in [GeO4]3− in orthogermanates)

doublet 773, 793 (ν(Ge-O) in metagermanates [GeO3]2−)

shoulder 790–890 (ν(Ge-O) in polygermanates)

910 (ν(Ge-O) in [GeO4])

1060 (ν(Ge-O) in orthogermanates [GeO4]2−)

1080 (ν(Ge-O) in orthogermanates [GeO4]3−)

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