Borate, Chalcogen, Non-disordered, Optical properties, Trigonal

• B-Ba-O
• B-Ge-La-O
• B-O
• B-Ba-Na-O
• B-H-Na-O
• phonons
• non-linear optics
• infrared spectra
• luminescence
• refractive index
• metalloid
• non-disordered
• chalcogen
• borate
• nonmetal