Petrovich

• Hf-O-Pb
• Hf-O-Pb-Zr
• O-Pb-Zr
• C-Ge-Si
• structural properties
• structural transitions
• phase transitions
• temperature for structural transition
• electronic and electrical properties
• chalcogen
• transitional
• ternary
• non-disordered
• nonmetal
• orthorhombic
• cubic
• tetragonal
• trigonal