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Browsing by Author "Mistonov, Alexander"

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    Data Underpinning: Disordered ground state in the 3D face-centred frustrated spin-5/2 system MnSn(OH)₆
    (Technische Universität Dresden, 2025-03-04) Parui, Kaushick K.; Kulbakov, Anton A.; Häußler, Ellen; Pavlovskii, Nikolai S.; Mannathanath Chakkingal, Aswathi; Avdeev, Maxim; Gumeniuk, Roman; Granovsky, Sergey; Mistonov, Alexander; Zvyagin, Sergei; Doert, Thomas; Inosov, Dmytro S.; Peets, Darren C.
    This contains the data underpinning our paper on MnSn(OH)₆. The abstract of the article is reproduced below: Frustrated magnetism in face-centered cubic (fcc) magnetic sublattices remains underexplored but holds considerable potential for exotic magnetic behavior. Here, we report on the crystal structural, magnetic and thermodynamic properties of the A-site-vacant double hydroxide perovskite MnSn(OH)₆. Despite dominant antiferromagnetic interactions among Mn²⁺ moments, evidenced by a negative Curie-Weiss temperature, the lack of a sharp thermodynamic transition down to 350 mK implies the absence of long-range magnetic order. However, a broad hump at 1.6 K suggests short-range correlations and spin freezing, with power-law behavior consistent with a spin-glass state. Neutron diffraction at low temperatures confirms the presence of three-dimensional (3D) antiferromagnetic correlations, manifesting as diffuse magnetic scattering with a correlation length ξ = 24.66 Å and a magnetic propagation vector k = (0 0 ½) at 20 mK.

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