B-Eu, Lanthanoid, Metalloid, Trigonal

• B-Eu-Fe-O
• B-Br-Eu-N
• B-Eu-O-P-Sr
• B-Cr-Eu-O
• Al-B-Eu-Gd-O
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• optical properties
• luminescence
• rare earth
• metalloid
• lanthanoid
• chalcogen