Assignments of Raman bands in the spectra of CaO-SiO2-Nb2O5-CeO2-CaF2 slag system.
|Structural unit||Raman centered shift (cm−1)||References|
|Si-O-Si deformation vibration||635–645||[10–12]|
|[NbO6] octahedra with low degree of distortion coupled with Si-O-Si bond||680–720||[10–12]|
|[NbO6] octahedra with high degree of distortion||790–805||[10–12]|
|in monomer structure unit (Q0)||840–860||[5,28–30]|
|in dimer structure unit (Q1)||900–920||[5,28–30]|
|in chain structure unit (Q2)||960–980||[5,28–30]|
|in sheet structure unit (Q3)||1040–1060||[5,28–30]|
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