Glowiak

• Ba-Cu-O-Y
• B-Ho-Ni
• H-O-Rb-Se
• Ni-P-Sm
• Ba-Cu-O-Si
• structural properties
• optical properties
• phonons
• wavenumber of optical phonon
• transitional
• chalcogen
• non-disordered
• rare earth
• orthorhombic
• hexagonal
• monoclinic
• tetragonal
• triclinic