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Products
Gregora
K-O-Ta
Ba-Eu-O-Ti
H-N-Na-O-S
Li-O-Ta
Na-O-V
optical properties
phonons
wavenumber of optical phonon
electronic and electrical properties
Raman spectra
chalcogen
transitional
ferroelectric
alkali
disordered
cubic
trigonal
orthorhombic
monoclinic
tetragonal