Ca2Nb2O7 cF88 227, Optical properties, Pyrochlore

• Mo-O-Sm
• Gd-Mo-O
• Bi-Nb-O-Zn
• Er-O-Sn
• Er-O-Ti
• phonons
• wavenumber of optical phonon
• Raman spectra
• optical spectra
• reflectivity
• pyrochlore
• chalcogen
• oxide
• rare earth
• transitional
• cubic