B-Y, Metalloid, Transitional, Trigonal

• B-Fe-O-Y
• B-Co-Y
• B-Ba-O-Y
• B-C-N-Y
• B-Ba-K-O-Y
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• optical properties
• phase transitions
• transitional
• rare earth
• metalloid
• chalcogen