Chalcogen, Quinary, Rare earth, Ho-Y

• Ba-Cu-Ho-O-Y
• Al-B-Ho-O-Y
• Cr-Fe-Ho-O-Y
• Bi-Ge-Ho-O-Y
• Ba-Ho-O-Si-Y
• thermal and thermodynamic properties
• electronic and electrical properties
• optical properties
• structural properties
• crystal electric field
• transitional
• rare earth
• quinary
• chalcogen
• lanthanoid
• orthorhombic
• monoclinic
• tetragonal
• trigonal
• cubic