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Condensed Matter > Mesoscale and Nanoscale Physics

arXiv:1901.08684 (cond-mat)
[Submitted on 24 Jan 2019 (v1), last revised 8 Oct 2019 (this version, v3)]

Title:Nanosecond Optically Induced Phase Transformation in Compressively Strained BiFeO3 on LaAlO3

Authors:Youngjun Ahn, Anastasios Pateras, Samuel D. Marks, Han Xu, Tao Zhou, Zhenlin Luo, Zuhuang Chen, Lang Chen, Xiaoyi Zhang, Anthony D. DiChiara, Haidan Wen, Paul G. Evans
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Abstract:Above-bandgap optical illumination induces a transformation from tilted tetragonal-like (T-like) and rhombohedral-like (R-like) phases to an untilted T-like phase in compressively strained BiFeO3. Optical excitation leads to an out-of-plane lattice expansion in the T-like phase. The transformation proceeds in regions with boundaries between the T-like and tilted R-like and tilted T-like phases, consistent with the motion of a boundary. The optically induced transformation indicates that there are new optically driven routes towards nanosecond-scale control of phase transformations in ferroelectrics and multiferroics.
Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: arXiv:1901.08684 [cond-mat.mes-hall]
  (or arXiv:1901.08684v3 [cond-mat.mes-hall] for this version)
  https://doi.org/10.48550/arXiv.1901.08684
Journal reference: Phys. Rev. Lett. 123, 045703 (2019)
Related DOI: https://doi.org/10.1103/PhysRevLett.123.045703

Submission history

From: Paul Evans [view email]
[v1] Thu, 24 Jan 2019 23:26:54 UTC (1,852 KB)
[v2] Thu, 20 Jun 2019 18:31:22 UTC (1,684 KB)
[v3] Tue, 8 Oct 2019 21:28:20 UTC (1,738 KB)
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