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Effects of Cu substitution on structural and magnetic properties of La0.7Pr0.3Fe11.4Si1.6 compounds

Journal Article


Abstract

  • The structure and magnetic properties of the La0.7Pr 0.3Fe11.4-xCuxSi1.6 compounds have been investigated by X-ray diffraction, scanning electron microscopy and magnetisation measurements. Cu substitution for Fe in La0.7Pr 0.3Fe11.4-xCuxSi1.6 (x = 0, 0.06, 0.12, 0.23, 0.34) leads to a reduction in hysteresis loss, a decrease in magnetic entropy change but an increase in Curie temperature (TC). The influences of annealing processes at different temperatures on T C, magnetic hysteresis, and the magnetocaloric effect (MCE) of La0.7Pr0.3Fe11.4Si1.6 are investigated in detail. It has been found that a short-time and high temperature annealing process has benefits for the formation of the NaZn13 types as phase compared to a long-time and low temperature annealing process. © 2013 Elsevier Ltd. All rights reserved.

Authors

  •   Md Din, M F. (external author)
  •   Wang, Jian Li.
  •   Zeng, R (external author)
  •   Shamba, Precious (external author)
  •   Debnath, J C. (external author)
  •   Dou, Shi Xue

Publication Date

  • 2013

Citation

  • Md Din, M. F., Wang, J. L., Zeng, R., Shamba, P., Debnath, J. C. & Dou, S. X. (2013). Effects of Cu substitution on structural and magnetic properties of La0.7Pr0.3Fe11.4Si1.6 compounds. Intermetallics, 36 1-7.

Scopus Eid

  • 2-s2.0-84872807052

Ro Metadata Url

  • http://ro.uow.edu.au/aiimpapers/826

Number Of Pages

  • 6

Start Page

  • 1

End Page

  • 7

Volume

  • 36

Abstract

  • The structure and magnetic properties of the La0.7Pr 0.3Fe11.4-xCuxSi1.6 compounds have been investigated by X-ray diffraction, scanning electron microscopy and magnetisation measurements. Cu substitution for Fe in La0.7Pr 0.3Fe11.4-xCuxSi1.6 (x = 0, 0.06, 0.12, 0.23, 0.34) leads to a reduction in hysteresis loss, a decrease in magnetic entropy change but an increase in Curie temperature (TC). The influences of annealing processes at different temperatures on T C, magnetic hysteresis, and the magnetocaloric effect (MCE) of La0.7Pr0.3Fe11.4Si1.6 are investigated in detail. It has been found that a short-time and high temperature annealing process has benefits for the formation of the NaZn13 types as phase compared to a long-time and low temperature annealing process. © 2013 Elsevier Ltd. All rights reserved.

Authors

  •   Md Din, M F. (external author)
  •   Wang, Jian Li.
  •   Zeng, R (external author)
  •   Shamba, Precious (external author)
  •   Debnath, J C. (external author)
  •   Dou, Shi Xue

Publication Date

  • 2013

Citation

  • Md Din, M. F., Wang, J. L., Zeng, R., Shamba, P., Debnath, J. C. & Dou, S. X. (2013). Effects of Cu substitution on structural and magnetic properties of La0.7Pr0.3Fe11.4Si1.6 compounds. Intermetallics, 36 1-7.

Scopus Eid

  • 2-s2.0-84872807052

Ro Metadata Url

  • http://ro.uow.edu.au/aiimpapers/826

Number Of Pages

  • 6

Start Page

  • 1

End Page

  • 7

Volume

  • 36