Temperature Dependence of the Raman Frequency of an Internal Mode for SiO2-Moganite Close to the α-β Transition
Values of the coefficients from the fit of (4) to the experimental data  for heating and cooling cycles for the vibrational frequency of 501 cm−1 in the α-β phases of moganite.
Vibrational frequency ω (501 cm−1)
Temperature interval (K)
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