Quantum Mechanics Insight into the Microwave Nucleation of SrTiO₃Nanospheres

Abstract

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Crystal growth and photoluminescence of europium-doped strontium titanate prepared by a microwave hydrothermal method

“…The information in the table shows an excellent match between the Raman shift of peaks at 177, 264, 545, 736, 800, and 1069 cm À 1 and the frequencies of TO2, TO3, TO4, TO, LO4, and SrCO 3 phonons, respectively. These results agree with those of Moreira et al [18] who prepared pure strontium titanate nanospheres. The purpose was to perform a joint experimental analysis and firstprinciple calculations on MH synthesis of ST nanospheres.…”

Europium doped zinc sulfide: a correlation between experimental and theoretical calculations

“…These defects introduce a symmetry breakdown and, as a consequence, an introduction of a new energy level in the forbidden region. Several research works show the variation of the semiconductor band gap caused by structure change [43][44][45][46]. Figure 5 shows the PL emission spectra of pure and doped ZnS powders recorded at room temperature with excitation at 350.7 nm.…”

The interplay between morphology and photocatalytic activity in ZnO and N-doped ZnO crystals

“…Similar equilibrium morphology models obtained based on the calculations realized by Na and Park [60] allowed the estimation of the surface energies of the particles, under the condition that crystal faces with lowest surface energies govern the crystal morphology. These results can be used to explicitly predict the evolution of morphologies in different environments, as recently developed by our research group [61,62].…”