Research Article

Investigation on Structural and Optical Properties of Willemite Doped Mn2+ Based Glass-Ceramics Prepared by Conventional Solid-State Method

Table 3

FTIR spectral bands assigned to the vibrational modes.

Wavenumbers (cmāˆ’1)Assignment of vibrational mode

~450Si-O-Si bending mode
~570ZnO4 symmetric stretching vibrational mode
~690Zn-O-Si symmetric stretching vibrational mode
~890SiO4 asymmetric stretching vibrational mode