Interface-induced modulation of charge and polarization in thin film Fe(3)O(4).
basic_science · Level V
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- Record sourced from PubMed, PMID 24167041.
- Also identified by DOI 10.1002/adma.201303329.
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Abstract
Charge and polarization modulations in Fe3 O4 are controlled by taking advantage of interfacial strain effects. The feasibility of oxidation state control by strain modification is demonstrated and it is shown that this approach offers a stable configuration at room temperature. Direct evidence of how a local strain field changes the atomic coordination and introduces atomic displacements leading to polarization of Fe ions is presented.