Alkali, Baumer

• K-O-P-Ti
• Fe-K-O-P-Ti
• K-Mn-O-P-Zr
• Hf-K-Mn-O-P
• K-Mn-Nb-O-P
• structural properties
• optical properties
• phonons
• wavenumber of optical phonon
• magnetic properties
• alkali
• chalcogen
• transitional
• pnictogen
• orthophosphate
• cubic
• orthorhombic
• tetragonal
• monoclinic
• trigonal