(K0.5[OH]0.5)0.07Ho[PO4] hP24 180

• H-Ho-K-O-P
• H-K-O-P-Yb
• Eu-H-K-O-P
• H-K-O-P-Tb
• Er-H-K-O-P
• optical properties
• phonons
• vibrational spectra
• structural properties
• wavenumber of optical phonon
• alkali
• chalcogen
• rare earth
• quinary
• pnictogen
• hexagonal