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2018 Volume 27 Issue 2
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Yinina Ma, Kun Zhai, Liqin Yan, Yisheng Chai, Dashan Shang, Young Sun. 2018: Magnetocaloric effect in the layered organic-inorganic hybrid (CH3NH3)2CuCl4, Chinese Physics B, 27(2): 547-550. doi: 10.1088/1674-1056/27/2/027501
Citation: Yinina Ma, Kun Zhai, Liqin Yan, Yisheng Chai, Dashan Shang, Young Sun. 2018: Magnetocaloric effect in the layered organic-inorganic hybrid (CH3NH3)2CuCl4, Chinese Physics B, 27(2): 547-550. doi: 10.1088/1674-1056/27/2/027501
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Magnetocaloric effect in the layered organic-inorganic hybrid (CH3NH3)2CuCl4

  • State Key Laboratory of Magnetism and Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China

  • State Key Laboratory of Magnetism and Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

  • Available Online: 01/01/2018
  • Fund Project: the National Natural Science Foundation of China(Grant .51371193 and 11534015)%the Youth Innovation Promotion of the Chinese Academy of Sciences(Grant 2013004)%the Science Fund from the Chinese Academy of Sciences(Grant .XDB07030200 and KJZD-EW-M05)
  • We present a study of magnetocaloric effect of the quasi-two-dimensional (2D) ferromagnet (CH3NH3)2CuCl4 in ab plane (easy-plane).From the measurements of magnetic field dependence of magnetization at various temperatures,we have discovered a large magnetic entropy change associated with the ferromagnetic-paramagnetic transition.The heat capacity measurements reveal an abnormal adiabatic change below the Curie temperature Tc ～ 8.9 K,which is caused by the nature of quasi-2D layered crystal structure.These results suggest that perovskite organic-inorganic hybrids with a layered structure are suitable candidates as working substances in magnetic refrigeration technology.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Magnetocaloric effect in the layered organic-inorganic hybrid (CH3NH3)2CuCl4

  • Available Online: 01/01/2018

Abstract: We present a study of magnetocaloric effect of the quasi-two-dimensional (2D) ferromagnet (CH3NH3)2CuCl4 in ab plane (easy-plane).From the measurements of magnetic field dependence of magnetization at various temperatures,we have discovered a large magnetic entropy change associated with the ferromagnetic-paramagnetic transition.The heat capacity measurements reveal an abnormal adiabatic change below the Curie temperature Tc ～ 8.9 K,which is caused by the nature of quasi-2D layered crystal structure.These results suggest that perovskite organic-inorganic hybrids with a layered structure are suitable candidates as working substances in magnetic refrigeration technology.

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