Volume 29 Issue 4
Aug.  2014
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LI Ai-jun, SHEN Xiao-fang, YUE Cai-xia. Magnetic Refrigeration Properties of Sample La0.71Ca0.2Sr0.06MnO3[J]. Development and Application of Materials, 2014, 29(4): 73-76. DOI: 10.19515/j.cnki.1003-1545.2014.04.015
Citation: LI Ai-jun, SHEN Xiao-fang, YUE Cai-xia. Magnetic Refrigeration Properties of Sample La0.71Ca0.2Sr0.06MnO3[J]. Development and Application of Materials, 2014, 29(4): 73-76. DOI: 10.19515/j.cnki.1003-1545.2014.04.015
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Magnetic Refrigeration Properties of Sample La0.71Ca0.2Sr0.06MnO3

  • 1. Second Artillery Engineering University, Xi'an 710025, China;

  • 2. Electrical and Mechanical Engineering, Hebei Chemical Pharmaceutical Vocational and Technical College, Shijiazhuang 050026, China

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  • Received Date: March 30, 2014
  • Available Online: March 19, 2024
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    • Abstract
  • Using the vacancy-La La0.77Ca0.2MnO3 as matrix materials, Polycrystalline perovskites La0.71Ca0.2Sr0.06MnO3 have been prepared by the sol-gel method. The reason of large magnetic entropy change was analyzed by phase structures and magnetization curves. The maximum magnetic entropy change of 2.32 J·kg-1·K-1 is obtained near its Curie temperature (270.6 K) under the field of 1 T for La0.71Ca0.2Sr0.06MnO3 sample. The Sample possess stronger cooling ability near room temperature under low magnetic field, and can be used as a good room temperature magnetic refrigeration materials.
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