As capacitors, the ubiquitous components of electronic circuitry, get smaller, keeping them insulating is a challenge. But that's not necessarily bad news — some conductivity might be just the thing for data storage.
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Recent Progress in Ferroelectric Diodes: Explorations in Switchable Diode Effect
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Zubko, P., Triscone, JM. A leak of information. Nature 460, 45–46 (2009). https://doi.org/10.1038/460045a
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DOI: https://doi.org/10.1038/460045a
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Recent Progress in Ferroelectric Diodes: Explorations in Switchable Diode Effect
Nano-Micro Letters (2013)