Optical properties, P121/n1, Quaternary, Rare earth

• Cr-H-O-Pr
• Cr-H-Nd-O
• Cr-H-La-O
• H-O-Pr-S
• La-Na-O-P
• phonons
• wavenumber of optical phonon
• infrared spectra
• Raman spectra
• luminescence
• rare earth
• quaternary
• chalcogen
• lanthanoid
• non-disordered
• monoclinic