ISIS Neutron and Muon Source Data Journal

Study on spin fluctuations introduced by nanoparticulation of strongly correlated electron materials

Abstract: Strongly correlated (SC) manganites R1-xAxMnO3 (R: rare earth, A: alkaline earth) are known to exhibit various novel properties related to electron-spin correlation[1], such as negative magnetoresistance. Since these SC phenomena are strongly dependent on the spin arrangement, the introduction of spin fluctuations due to nanoparticle fabrication is expected to lead to the emergent properties with gigantic response, as well as new insights on the effect of spin fluctuations in SC phenomena. In fact, we have found complete suppression of the well-known charge ordering phenomena and loss of antiferromagnetic order in La1-xCaxMnO3 nanoparticles with a diameter of ~20 nm. We will therefore perform ?SR studies on these nanoparticles to elucidate the temperature dependence of spatially and temporally fluctuating spin states in the nanoparticles. [1] Y. Horibe, et al, EPL100, 67007 (2012).

Public release date: 21 March 2028

Principal Investigator: Professor Yoichi Horibe
Experimenter: Dr Isao Watanabe
Local Contact: Dr John Wilkinson

DOI: 10.5286/ISIS.E.RB2270007-3

Parent DOI: 10.5286/ISIS.E.RB2270007

ISIS Experiment Number: RB2270007

Part Number: 3

Date of Experiment: 20 March 2025

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Professor Yoichi Horibe et al; (2025): Study on spin fluctuations introduced by nanoparticulation of strongly correlated electron materials, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2270007-3

Data is released under the CC-BY-4.0 license.