Concentration dependence of phonon mode frequencies and the Grüneisen coefficients in BaxSr1−xTiO3solid solutions

Pressure, Temperature and Concentration

Pressure, Temperature and Concentration Dependences of Phonon Frequency with Variable Grüneisen Parameter: Fits to the Raman-Active Eg Mode in TiO2 and Ti1—xZrxO2 (x ≤ 0.1)

✍ T. Hirata 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 203 KB 👁 3 views

Beginning with the mode Gru È neisen parameter, the pressure, temperature and concentration dependences of phonon frequency have been derived under the condition of variable Gru È neisen parameter with pressure, temperature and composition. Fits to the Raman-active E g mode at %450 cm À1 in TiO 2 an