Lanthanoid, Rare earth, Optics, Tetragonal

• Cu-La-O-Sr
• La-Mn-O-Sr
• Ce-Cu-Nd-O
• Cu-La-O
• La-Ni-O
• phonons
• optical spectra
• luminescence
• wavenumber of optical phonon
• photoluminescence spectra
• rare earth
• lanthanoid
• transitional
• chalcogen
• disordered