Chalcogen, Kikegawa

• Hf-O
• O-Zr
• Fe-O-Sr
• H-K-O-P
• Fe-La-O-P
• phase transitions
• structural transitions
• mechanical properties
• pressure for structural transition
• structural properties
• chalcogen
• transitional
• non-disordered
• oxide
• nonmetal
• orthorhombic
• tetragonal
• trigonal
• cubic
• monoclinic