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Ultrafast Photovoltaic Response in Ferroelectric Nanolayers
Open accessAbstract
We show that light drives large-amplitude structural changes in thin films of the prototypical ferroelectric PbTiO3 via direct coupling to its intrinsic photovoltaic response. Using time-resolved x-ray scattering to visualize atomic displacements on femtosecond time scales, photoinduced changes in the unit-cell tetragonality are observed. These are driven by the motion of photogenerated free charges within the ferroelectric and can be simply explained by a model including both shift and screening currents, associated with the displacement of electrons first antiparallel to and then parallel to the ferroelectric polarization direction.
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Citations
Cited by
Physical mechanisms of coherent acoustic phonons generation by ultrafast laser action
Ruello, P., & Gusev, V. E. (2015) · Ultrasonics · doi:10.1016/j.ultras.2014.06.004 · Cited by 398
Shift current bulk photovoltaic effect in polar materials—hybrid and oxide perovskites and beyond
Tan, L. Z., Zheng, F., Young, S. M., Wang, F., Liu, S., & Rappe, A. M. (2016) · npj Computational Materials · doi:10.1038/npjcompumats.2016.26 · Cited by 393
Self-citationColloquium: Emergent properties in plane view: Strong correlations at oxide interfaces
Chakhalian, J., Freeland, J. W., Millis, A. J., Panagopoulos, C., & Rondinelli, J. M. (2014) · Reviews of Modern Physics · doi:10.1103/revmodphys.86.1189 · Cited by 272
Metadata
- Authors
- Daranciang, D., Highland, M. J., Wen, H., Young, S. M., Brandt, N. C., Hwang, H. Y., Vattilana, M., Nicoul, M., Quirin, F., Goodfellow, J., Qi, T., Grinberg, I., Fritz, D. M., Cammarata, M., Zhu, D., Lemke, H. T., Walko, D. A., Dufresne, E. M., Li, Y., Larsson, J., Reis, D. A., Sokolowski-Tinten, K., Nelson, K. A., Rappe, A. M., Fuoss, P. H., Stephenson, G. B., & Lindenberg, A. M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2012-02-23
- Volume
- 108
- Issue
- 8
- Pages
- 087601-087601
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2170840314
- Cited by
- 198
- References
- 0
- FWCI
- 5.36
- Type
- journal article
- Language
- en
- Open access
- green
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- The paper
- Daranciang, D., Highland, M. J., Wen, H., Young, S. M., Brandt, N. C., Hwang, H. Y., Vattilana, M., Nicoul, M., Quirin, F., Goodfellow, J., Qi, T., Grinberg, I., Fritz, D. M., Cammarata, M., Zhu, D., Lemke, H. T., Walko, D. A., Dufresne, E. M., Li, Y., . . . Lindenberg, A. M. (2012). Ultrafast Photovoltaic Response in Ferroelectric Nanolayers. Physical Review Letters. https://doi.org/10.1103/physrevlett.108.087601
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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