Photoluminescence, Negative thermal quenching, Native defects, Zinc germanate, Density functional theory
NiGa2O4, microneedle, Raman spectroscopy, Photoluminescence
Density Functional Theory, optoelectronics, spectroscopy, vacancy engineering, oxides
Electromigration, Multiphysics modelling, Joule heating, Tungsten, Molybdenum