Bandgap engineering strategy through chemical strain and oxygen vacancies in super-tetragonal BiFeO3 epitaxial films
Inorganic chemistry frontiers(2023)
Abstract
Tetragonality increase and bandgap reduction in super-tetragonal BFO-based films are simultaneously obtained through chemical strain and oxygen vacancies, due to the reduced the bottom of conduction band confirmed by DFT calculations.
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Key words
bandgap engineering strategy,epitaxial films,super-tetragonal
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