In this work, we report anisotropic magnetocaloric effect and critical behavior in a quasi-one-dimensional ferromagnetic single crystal. The maximum magnetic entropy change is 2.16 J for the easy axis (2.03 J for the hard axis) and the relative cooling power RCP is 163.1 J for the easy axis (142.1 J for the hard axis) near with a magnetic field change of 50 kOe. The magnetocrystalline anisotropy constant is estimated to be 148.5 kJ at 10 K, decreasing to 39.4 kJ at 70 K. The rescaled curves along all three axes collapse onto a universal curve, respectively, confirming the second-order ferromagnetic transition. Further critical behavior analysis around gives that the critical exponents , , and for , while , , and for . The determined critical exponents suggest that the anisotropic magnetic coupling in is strongly dependent on orientations of the applied magnetic field.
@article{osti_1647004,
author = {Liu, Yu and Hu, Zhixiang and Petrovic, C.},
title = {Anisotropic magnetocaloric effect and critical behavior in CrSbSe3},
annote = {In this work, we report anisotropic magnetocaloric effect and critical behavior in a quasi-one-dimensional ferromagnetic CrSbSe3 single crystal. The maximum magnetic entropy change -ΔSMmax is 2.16 J kg-1K-1 for the easy a axis (2.03 J kg-1K-1 for the hard b axis) and the relative cooling power RCP is 163.1 J kg-1 for the easy a axis (142.1 J kg-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-3 at 10 K, decreasing to 39.4 kJ m-3 at 70 K. The rescaled ΔSM(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~70K gives that the critical exponents β=0.26(1), γ=1.32(2), and δ=6.17(9) for H∥a, while β=0.28(2), γ=1.02(1), and δ=4.14(16) for H∥b. The determined critical exponents suggest that the anisotropic magnetic coupling in CrSbSe3 is strongly dependent on orientations of the applied magnetic field.},
doi = {10.1103/physrevb.102.014425},
url = {https://www.osti.gov/biblio/1647004},
journal = {Physical Review B},
issn = {ISSN 2469-9950},
number = {1},
volume = {102},
place = {United States},
publisher = {American Physical Society (APS)},
year = {2020},
month = {07}}
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 240, Issue 826https://doi.org/10.1098/rsta.1948.0007