Novel Layered Iridate Ba7Ir3O13+{δ} Thin Films with Colossal Permittivity
classification
❄️ cond-mat.mtrl-sci
keywords
thincolossalatomicallyba7ir3o13boundariesdeltadomainfilms
read the original abstract
Ba7Ir3O13+{\delta} in thin film form is discovered. These films are characterized by colossal permittivity (CP) ~104 at room temperature, attributable to the colossal internal barrier layer capacitance effect at atomically thin domain boundaries. These findings suggest a new route to seeking novel CP materials through designing atomically thin domain boundaries.
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