Vol. 24 No. 3S1 (2014)
Papers

Structure and Properties of Double Perovskite System La\(_2\)Co\(_{1-x}\)Fe\(_{x}\)MnO\(_{6}\)

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  • Pham The Tan,
  • Pham Huyen Yen,
  • Hoang Nam Nhat,
  • Nguyen Quang Hoa
Pham The Tan
Faculty of Basic Science, Hung Yen University of Technology and Education, Hung Yen, Vietnam
Pham Huyen Yen
Faculty of Technical Physics and Nanotechnology, University of Engineering Technology, Vietnam National University, Hanoi
Hoang Nam Nhat
Faculty of Technical Physics and Nanotechnology, University of Engineering Technology, Vietnam National University, Hanoi
Nguyen Quang Hoa
Faculty of Physics, Hanoi University of Science, Vietnam National University, Hanoi, Vietnam
DOI: https://doi.org/10.15625/0868-3166/24/3S1/5224

Published 07-11-2014

Keywords

  • structure,
  • magnetism,
  • Fe-doped,
  • La\(_2\)CoMnO\(_6\)

How to Cite

Tan, P. T., Yen, P. H., Nhat, H. N., & Hoa, N. Q. (2014). Structure and Properties of Double Perovskite System La\(_2\)Co\(_{1-x}\)Fe\(_{x}\)MnO\(_{6}\). Communications in Physics, 24(3S1), 80–84. https://doi.org/10.15625/0868-3166/24/3S1/5224
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Abstract

Low Fe-doped insulating ferromagnets La$_2$CoMnO$_6$ were prepared and studied. The compounds crystallized in orthorhombic space group Pnma with slight changes in the lattice constants. We have observed a significant reduction of resistivity due to doping, together with an increase of magnetization and saturated magnetization as doping level increased. The doping also reduced $T_C$ for both transitions at around 220 and 140 K which attribute for the different spin orderings of the magnetic ions. The small features were also seen at around 40 K and should correspond to the cluster glassy region with spin disorders.
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