Effect of Cerium Doping on Crystal Structure and Magnetic Properties of La<sub>1−</sub><i><sub>y</sub></i>Ce<i><sub>y</sub></i>Fe<sub>11.44</sub>Si<sub>1.56</sub> Compounds

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  • Anh Do Thi Kim
    Faculty of Physics, VNU-Hanoi University of Science
  • Van Hiep Vuong
    Faculty of Physics, VNU-Hanoi University of Science
  • Kurisu Makio
    Department of Physics, Ehime University
  • Van Chau Dinh
    Faculty of Engineering Physics and Nanotechnology, VNU-University of Engineering and Technology
  • Nhat Hoang Nam
    Faculty of Engineering Physics and Nanotechnology, VNU-University of Engineering and Technology

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Other Title
  • Effect of Cerium Doping on Crystal Structure and Magnetic Properties of La₁₋yCe[y]Fe₁₁.₄₄Si₁.₅₆ Compounds
  • Effect of Cerium Doping on Crystal Structure and Magnetic Properties of La<sub>1&minus;</sub><i><sub>y</sub></i>Ce<i><sub>y</sub></i>Fe<sub>11.44</sub>Si<sub>1.56</sub> Compounds

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Abstract

Crystal structure and magnetic properties of Cerium-doped La1−yCeyFe11.44Si1.56 (y = 0.0 − 0.3) compounds are reported. The compounds possess the NaZn13-type cubic structure with ferromagnetic arrangement. The substitution of Ce into the host lattice slightly decreased the lattice constant from 1.1477 to 1.1471 Å, and as the doping content increased, the saturation magnetization and Curie temperature of the samples were also reduced. A large value of the magnetic entropy change ΔSm was observed at low doping concentration.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 56 (9), 1335-1338, 2015

    The Japan Institute of Metals and Materials

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