Enhanced flexoelectricity at reduced dimensions revealed by mechanically tunable quantum tunnelling
Flexoelectricity exists in every dielectric material exposed to a strain gradient and is enhanced at the nanoscale. However, precisely determining flexoelectric coupling parameters at the nanoscale is challenging, but has been overcome here by measuring the current across a tunnel junction.
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Auteurs principaux: | Saikat Das, Bo Wang, Tula R. Paudel, Sung Min Park, Evgeny Y. Tsymbal, Long-Qing Chen, Daesu Lee, Tae Won Noh |
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Format: | article |
Langue: | EN |
Publié: |
Nature Portfolio
2019
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Accès en ligne: | https://doaj.org/article/37c0109bf1f0493c8f6983cf9b8b216f |
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