Ikehata

• Cs-H-O-Se
• C-K
• H-O-Rb-Se
• H-O-Rb-S
• H-K-O-Se
• electronic and electrical properties
• conductivity or resistivity
• phase transitions
• structural transitions
• temperature for structural transition
• alkali
• chalcogen
• nonmetal
• quaternary
• tetraoxoselenate
• monoclinic
• trigonal
• hexagonal