Ca2Nb2O7 cF88 227, Lanthanoid, Rare earth, Optical properties

• Mo-O-Sm
• Gd-Mo-O
• Gd-O-Ti
• Er-O-Sn
• Er-O-Ti
• phonons
• wavenumber of optical phonon
• Raman spectra
• optical spectra
• luminescence
• rare earth
• chalcogen
• lanthanoid
• pyrochlore
• oxide
• cubic