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<p>Interest in EuCuP as a potential host for non-trivial topological states has led to extensive investigation by bulk methods (Iha et al., J. Alloys Compounds <b>788</b>, 361, 2019; Wang et al., J. Alloys Compounds <b>947</b>, 169620, 2023; Yang et al., J. Alloys Compounds <b>1013</b>, 178589, 2025; Yuan et al., Phys. Rev. Mater. <b>8</b>, 094202, 2024). Here we use <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(^{151}\)</EquationSource> </InlineEquation>Eu Mössbauer spectroscopy to investigate suggestions that the ordering at T<InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(_c\)</EquationSource> </InlineEquation>=32&#xa0;K may be first order (Yang et al., J. Alloys Compounds <b>1013</b>, 178589, 2025) or involve short-range magnetic order (Yuan et al., Phys. Rev. Mater. <b>8</b>, 094202, 2024). We show that the ordering at T<InlineEquation ID="IEq3"> <EquationSource Format="TEX">\(_c\)</EquationSource> </InlineEquation> passes through an incommensurate modulated form before squaring up below 25&#xa0;K.</p>

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Magnetic ordering in hexagonal EuCuP

  • 期刊论文

  • 发表日期：

    2025年10月4日

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  • D. H. Ryan

摘要

Interest in EuCuP as a potential host for non-trivial topological states has led to extensive investigation by bulk methods (Iha et al., J. Alloys Compounds 788, 361, 2019; Wang et al., J. Alloys Compounds 947, 169620, 2023; Yang et al., J. Alloys Compounds 1013, 178589, 2025; Yuan et al., Phys. Rev. Mater. 8, 094202, 2024). Here we use \(^{151}\) Eu Mössbauer spectroscopy to investigate suggestions that the ordering at T \(_c\) =32 K may be first order (Yang et al., J. Alloys Compounds 1013, 178589, 2025) or involve short-range magnetic order (Yuan et al., Phys. Rev. Mater. 8, 094202, 2024). We show that the ordering at T \(_c\) passes through an incommensurate modulated form before squaring up below 25 K.