[HTML][HTML] Space-charge limited conduction in epitaxial chromia films grown on elemental and oxide-based metallic substrates
We study temperature dependent (200–400 K) dielectric current leakage in high-quality,
epitaxial chromia films, synthesized on various conductive substrates (Pd, Pt and V 2 O 3).
We find that trap-assisted space-charge limited conduction is the dominant source of
electrical leakage in the films, and that the density and distribution of charge traps within
them is strongly dependent upon the choice of the underlying substrate. Pd-based chromia
is found to exhibit leakage consistent with the presence of deep, discrete traps, a …
epitaxial chromia films, synthesized on various conductive substrates (Pd, Pt and V 2 O 3).
We find that trap-assisted space-charge limited conduction is the dominant source of
electrical leakage in the films, and that the density and distribution of charge traps within
them is strongly dependent upon the choice of the underlying substrate. Pd-based chromia
is found to exhibit leakage consistent with the presence of deep, discrete traps, a …