Borate, Chalcogen, Optical properties, Tetragonal

• B-Cu-O
• B-Cu-Li-O
• B-Li-O
• B-Bi-Ca-Ga-O
• B-Ba-Eu-O
• luminescence
• phonons
• photoluminescence spectra
• infrared spectra
• wavelength for luminescence
• borate
• metalloid
• chalcogen
• nonmetal
• disordered