Intrinsic polar vortex crystals in A-site layer-ordered perovskites
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Fert, A., Reyren, N. & Cros, V. Magnetic skyrmions: advances in physics and potential applications. Nat. Rev. Mater. 2 , 17031 (2017). Article ADS CAS Google Scholar Junquera, J. et al. …
Fert, A., Reyren, N. & Cros, V. Magnetic skyrmions: advances in physics and potential applications. Nat. Rev. Mater. 2 , 17031 (2017). Article ADS CAS Google Scholar Junquera, J. et al. Topological phases in polar oxide nanostructures. Rev. Mod. Phys. 95 , 025001 (2023). Article ADS CAS Google Scholar Naumov, I. I., Bellaiche, L. & Fu, H. Unusual phase transitions in ferroelectric nanodisks and nanorods. Nature 432 , 737–740 (2004). Article ADS CAS PubMed Google Scholar Seki, S., Yu, X. Z., Ishiwata, S. & Tokura, Y. Observation of skyrmions in a multiferroic material. Science 336 , 198–201 (2012). Article ADS CAS PubMed Google Scholar Sánchez-Santolino, G. et al. A 2D ferroelectric vortex pattern in twisted BaTiO 3 freestanding layers. Nature 626 , 529–534 (2024). Article ADS PubMed PubMed Central Google Scholar Yuan, S. et al. Hexagonal close-packed polar-skyrmion lattice in ultrathin ferroelectric PbTiO 3 films. Phys. Rev. Lett. 130 , 226801 (2023). Article ADS CAS PubMed Google Scholar Tang, Y. L. et al. Observation of a periodic array of flux-closure quadrants in strained ferroelectric PbTiO 3 films. Science 348 , 547–551 (2015). Article ADS CAS PubMed Google Scholar Yadav, A. K. et al. Observation of polar vortices in oxide superlattices. Nature 530 , 198–201 (2016). Article ADS CAS PubMed Google Scholar Hong, Z. et al. Stability of polar vortex lattice in ferroelectric superlattices. Nano Lett. 17 , 2246–2252 (2017). Article ADS CAS PubMed Google Scholar Das, S. et al. …
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