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Anisotropic magnetocaloric effect and critical behavior in CrSbSe3

2020/07/15 by Yu Liu, Zhixiang Hu, C. Petrović +1
Engineering · Materials Science · Mathematics · Physics and Astronomy · #2D Materials and Applications #Anisotropy #Condensed matter physics #Coupling (piping) #Critical exponent #Exponent #Ferromagnetism #Magnetic and transport properties of perovskites and related materials #Magnetic anisotropy #Magnetic field #Magnetic refrigeration #Magnetization #Magnetocrystalline anisotropy #Materials science #Mathematics #Perovskite Materials and Applications #Phase transition #Physics #Power law #Quantum mechanics #Statistics #cond-mat.str-el

paper · pdf · doi:10.1103/physrevb.102.014425

published as Phys. Rev. B 102, 014425 (2020) · arXiv admin note: text overlap with arXiv:2007.07159

arxiv created 2020/07/15 · openalex publication_date 2020/07/15 · arxiv updated 2020/07/20 · openalex created_date 2022/05/12 · openalex updated_date 2026/08/05

Abstract

We report anisotropic magnetocaloric effect and critical behavior in a quasi-one-dimensional ferromagnetic CrSbSe3 single crystal. The maximum magnetic entropy change \ensuremath-\mathrm\ensuremathΔSMmax is 2.16 J kg^\ensuremath-1\phantom\rule0.16em0exK^\ensuremath-1 for the easy a axis (2.03 J kg^\ensuremath-1\phantom\rule0.16em0exK^\ensuremath-1 for the hard b axis) and the relative cooling power RCP is 163.1 J kg^\ensuremath-1 for the easy a axis (142.1 J kg^\ensuremath-1 for the hard b axis) near Tc with a magnetic field change of 50 kOe. The magnetocrystalline anisotropy constant Ku is estimated to be 148.5 kJ m^\ensuremath-3 at 10 K, decreasing to 39.4 kJ m^\ensuremath-3 at 70 K. The rescaled \mathrm\ensuremathΔSM(T,H) curves along all three axes collapse onto a universal curve, respectively, confirming the second-order ferromagnetic transition. Further critical behavior analysis around Tc\ensuremath∼70\phantom\rule4pt0exK gives that the critical exponents \ensuremathβ=0.26(1), \ensuremathγ=1.32(2), and \ensuremathδ=6.17(9) for H\ensuremath∥a, while \ensuremathβ=0.28(2), \ensuremathγ=1.02(1), and \ensuremathδ=4.14(16) for H\ensuremath∥b. The determined critical exponents suggest that the anisotropic magnetic coupling in CrSbSe3 is strongly dependent on orientations of the applied magnetic field.

Citations