Chalcogen, Rare earth, Eu-W

• Eu-O-W
• Ca-Eu-O-W
• Eu-O-Sr-W
• Ba-Eu-O-W
• Eu-K-O-W
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• optical properties
• phase transitions
• transitional
• rare earth
• chalcogen
• lanthanoid
• monoclinic
• tetragonal
• triclinic
• cubic
• orthorhombic