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. 2018 Jan 29;8:1778. doi: 10.1038/s41598-018-20101-0

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Nano-XRD images taken at the midpoint of the structural transition (upper) and X-PEEM images taken in the high temperature phase (lower) for two consecutive heating and cooling cycles. Note that the structural and magnetic images show two different contrast mechanisms. The structural data show the formation of high temperature phase islands in a matrix of low-temperature phase, while the magnetic data indicated domains of opposite magnetization in the high-temperature phase. In the structural transition, the return point memory is nearly complete, with a close correlation between the domain configurations from cycle to cycle. The magnetic transition displays more stochasticity in the final domain states, although some return point memory does exist. All images are 4 × 4 μm.