Chalcogen, Disordered, Transitional, Fe-O, Sound velocity

• Co-Fe-O-Zn
• Cu-Fe-O
• Al-Cu-Fe-O
• Fe-La-Mn-O-Sr
• longitudinal sound velocity
• values of sound velocity
• transverse sound velocity
• transitional
• disordered
• chalcogen
• oxide
• conductor
• cubic
• trigonal
• tetragonal
• orthorhombic