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Ge-Li-O-Ti
K-O-P-Ti
H-O-Rb-Se
H-N-O-Se
I-Li-O
electronic and electrical properties
structural transitions
phase transitions
optical properties
temperature for structural transition
chalcogen
quaternary
non-disordered
alkali
nonmetal
orthorhombic
triclinic
tetragonal
monoclinic
hexagonal