Hf-O, Hf-x polyhedra, Trigonal

• Hf-Mo-O
• Ca-Hf-O
• Hf-Na-O-P
• Er-Hf-O
• Hf-O-Pb-Ti
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• enthalpy or energy
• mechanical properties
• chalcogen
• transitional
• disordered
• ternary