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most citedNegative oxygen vacancies in HfO as charge traps in high-k stacks

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cond-mat.mtrl-sci2026

Coexisting Large and Small Polarons in Photoexcited CeO

Valentina Mazzotti, Eleonora Spurio, Nicolas Delnour +5

Time-resolved terahertz (THz) spectroscopy is used to probe polaron formation in CeO. The ultrafast THz photoconductivity is dominated by contributions from large hole and smal…