Conductor, Disordered, Transitional, Fe-K-Se

• Ba-Fe-K-Se
• Fe-K-S-Se
• Cu-Fe-K-Se
• Fe-K-Mn-Se
• magnetic properties
• superconductivity
• optical properties
• superconducting transition temperature
• structural properties
• disordered
• chalcogen
• alkali
• conductor
• selenide
• tetragonal
• orthorhombic