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Kolk
Gd-O-Pr-V
La-O-Pr-V
Gd-O-Tb-V
Lu-O-Tb-V
Lu-O-Pr-V
optical properties
values of luminescence
luminescence
electronic and electrical properties
energy level diagram
transitional
lanthanoid
rare earth
quaternary
chalcogen
tetragonal
monoclinic