CdI2 hP3 164, Dipolyhedral, Se-Ti

• Se-Ta-Ti
• Hf-Se-Ti
• Nb-Se-Ti
• Se-Te-Ti
• electronic and electrical properties
• optical properties
• structural properties
• phase transitions
• structural transitions
• dipolyhedral
• transitional
• chalcogen
• selenide
• charge-density wave state
• trigonal