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Issue 11, 2016
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Organic ferroelectric/semiconducting nanowire hybrid layer for memory storage

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Abstract

Ferroelectric materials are important components of sensors, actuators and non-volatile memories. However, possible device configurations are limited due to the need to provide screening charges to ferroelectric interfaces to avoid depolarization. Here we show that, by alternating ferroelectric and semiconducting nanowires over an insulating substrate, the ferroelectric dipole moment can be stabilized by injected free charge carriers accumulating laterally in the neighboring semiconducting nanowires. This lateral electrostatic coupling between ferroelectric and semiconducting nanowires offers new opportunities to design new device architectures. As an example, we demonstrate the fabrication of an elementary non-volatile memory device in a transistor-like configuration, of which the source–drain current exhibits a typical hysteretic behavior with respect to the poling voltage. The potential for size reduction intrinsic to the nanostructured hybrid layer offers opportunities for the development of strongly miniaturized ferroelectric and piezoelectric devices.

Graphical abstract: Organic ferroelectric/semiconducting nanowire hybrid layer for memory storage

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Publication details

The article was received on 04 Jan 2016, accepted on 19 Feb 2016 and first published on 22 Feb 2016


Article type: Paper
DOI: 10.1039/C6NR00049E
Nanoscale, 2016,8, 5968-5976

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    Organic ferroelectric/semiconducting nanowire hybrid layer for memory storage

    R. Cai, H. G. Kassa, R. Haouari, A. Marrani, Y. H. Geerts, C. Ruzié, A. J. J. M. van Breemen, G. H. Gelinck, B. Nysten, Z. Hu and A. M. Jonas, Nanoscale, 2016, 8, 5968
    DOI: 10.1039/C6NR00049E

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