Kimani

• Ho-K-O-V-Y-Yb
• Er-K-O-V-Y-Yb
• K-O-Tm-V-Y-Yb
• K-O-Sm-V-Y
• Eu-K-O-V-Y
• optical properties
• luminescence
• wavelength for luminescence
• photoluminescence spectra
• structural properties
• chalcogen
• rare earth
• transitional
• vanadate
• lanthanoid
• trigonal
• monoclinic
• hexagonal
• orthorhombic