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Ferroelectric Soft Mode in aSrTiO3Thin Film Impulsively Driven to the Anharmonic Regime Using Intense Picosecond Terahertz Pulses
Open accessAbstract
The ferroelectric soft mode in a SrTiO(3) thin film was impulsively driven to a large amplitude using intense picosecond terahertz pulses. As the terahertz electric field increased, the soft-mode absorption peak exhibited blueshifting and spectral narrowing. A classical anharmonic oscillator model suggests that the induced displacement is comparable to that of the ferroelectric phase transition. The spectral narrowing indicates that the displacement exceeds that induced by any inhomogeneities in the film, demonstrating that the method can be used to explore intrinsic quartic anharmonicity.
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Cited by
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Leitenstorfer, A., Moskalenko, A. S., Kampfrath, T., Kono, J., Castro-Camus, E., Peng, K., Qureshi, N., Turchinovich, D., Tanaka, K., Markelz, A. G., et al. (2023) · Journal of Physics D: Applied Physics · doi:10.1088/1361-6463/acbe4c · Cited by 514
Self-citationCRYSTAL23: A Program for Computational Solid State Physics and Chemistry
Erba, A., Desmarais, J. K., Casassa, S., Civalleri, B., Donà, L., Bush, I. J., Searle, B., Maschio, L., Edith-Daga, L., Cossard, A., et al. (2023) · Journal of Chemical Theory and Computation · doi:10.1021/acs.jctc.2c00958 · Cited by 367
Terahertz-driven phonon upconversion in SrTiO3
Kozina, M., Fechner, M., Marsik, P., van Driel, T., Glownia, J. M., Bernhard, C., Radovic, M., Zhu, D., Bonetti, S., Staub, U., et al. (2019) · Nature Physics · doi:10.1038/s41567-018-0408-1 · Cited by 191
Udina, M., Cea, T., & Benfatto, L. (2019) · Physical Review B · doi:10.1103/physrevb.100.165131 · Cited by 55
Carrier envelope phase shifter for broadband terahertz pulses
Kawada, Y., Yasuda, T., & Takahashi, H. (2016) · Optics Letters · doi:10.1364/ol.41.000986 · Cited by 30
Metadata
- Authors
- Katayama, I., Aoki, H., Takeda, J., Shimosato, H., Ashida, M., Kinjo, R., Kawayama, I., Tonouchi, M., Nagai, M., & Tanaka, K.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2012-02-28
- Volume
- 108
- Issue
- 9
- Pages
- 097401-097401
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2075941890
- Cited by
- 170
- References
- 0
- FWCI
- 4.63
- Type
- journal article
- Language
- en
- Open access
- green
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- Katayama, I., Aoki, H., Takeda, J., Shimosato, H., Ashida, M., Kinjo, R., Kawayama, I., Tonouchi, M., Nagai, M., & Tanaka, K. (2012). Ferroelectric Soft Mode in aSrTiO3Thin Film Impulsively Driven to the Anharmonic Regime Using Intense Picosecond Terahertz Pulses. Physical Review Letters. https://doi.org/10.1103/physrevlett.108.097401
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