Skip to main content
SpringerLink
Log in

Tuning of the magnetocaloric effect in La manganites

  • Published:
Journal of the Korean Physical Society Aims and scope Submit manuscript

Abstract

The crystallographic and the magnetocaloric effects of La0.7Ca0.3Mn0.99 57Fe0.01O3 (LCMO) powders were studied by using X-ray diffraction, vibrating sample magnetometer, and Mössbauer spectroscopy. To investigate the effect of sintering conditions on LCMO, the samples were sintered in air and in an evacuated sealed quartz tube at different temperatures. The calculated magnetic entropy changes in a magnetic field of 1.5 T for the samples sintered in air and in an evacuated sealed quartz tube were 1.6 J/kg K and 3.2 J/kg K, respectively. The magnetic entropy change increased considerably with increasing annealing temperature, but the Curie temperature T c slightly decreased. However, the vacuum-annealed sample showed increases in both the T c and the magnetic entropy change. The magnetocaloric effect and the working temperature of lanthanum manganites are tunable by using annealing conditions.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. P. Schiffer, A. P. Ramirez, W. Bao and S.-W. Cheong, Phys. Rev. Lett. 75, 3336 (1995).

    Article  ADS  Google Scholar 

  2. M. R. Ibarra, P. A. Algarabel, C. Marquina, J. Blasco and J. Garcia, Phys. Rev. Lett. 75, 3541 (1995).

    Article  ADS  Google Scholar 

  3. R. von Helmolt, J. Wecker, B. Holzapfel, L. Schultz and K. Samwer, Phys. Rev. Lett. 71, 2331 (1993).

    Article  ADS  Google Scholar 

  4. S. Jin, T. H. Tiefel, M. McCormack, R. A. Fastnacht, R. Ramesh and L. H. Chen, Science 264, 413 (1994).

    Article  ADS  Google Scholar 

  5. J. Yang, Y. P. Lee and Y. Li, J. Appl. Phys. 102, 033914 (2007).

    Article  ADS  Google Scholar 

  6. M. H. Phan, N. D. Tho, N. Chau, S. C. Yu and M. Kurisu, J. Appl. Phys. 97, 103901 (2005).

    Article  ADS  Google Scholar 

  7. M. S. Anwar, S. Kumar, F. Ahmed, N. Arshi, G. W. Kim, C. G. Lee and B. H. Koo, J. Magnetics 16, 457 (2011).

    Article  Google Scholar 

  8. D. L. Rocco, R. A. Silva, A. M. Carvalho, A. Coelho, J. Andreeta and S. Gama, J. Appl. Phys. 97, 10M317 (2005).

    Article  Google Scholar 

  9. M. H. Phan and S. C. Yu, Phys. Status Solidi A 204, 4091 (2007).

    Article  ADS  Google Scholar 

  10. S. J. May et al., Nat. Mater. 8, 892 (2009).

    Article  ADS  Google Scholar 

  11. W. C. Kim, C. H. Rhee, H. J. Kim, S. J. Moon and C. S. Kim, Appl. Phys. Lett. 96, 242205 (2010).

    Google Scholar 

  12. A. N. Ulyanov, Y. M. Kang and S. I. Yoo, J. Appl. Phys. 103, 07B328 (2008).

    Article  Google Scholar 

  13. P. Novák, M. Maryško, M. M. Savota and A. N. Ulyanov, Phys. Rev. B 60, 6655 (1999).

    Article  ADS  Google Scholar 

  14. S. B. Kim, K. T. Park and C. S. Kim, J. Appl. Phys. 89, 7681 (2001).

    Article  ADS  Google Scholar 

  15. M. Blume and J. A. Tjon, Phys. Rev. 165, 446 (1968).

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Physics, Kookmin University, Seoul, 136-702, Korea

    Il Jin Park, Chan Hyuk Rhee, Chin Mo Kim, In-Bo Shim, Chul Sung Kim & Sam Jin Kim

Authors
  1. Il Jin Park
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Chan Hyuk Rhee
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Chin Mo Kim
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. In-Bo Shim
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Chul Sung Kim
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Sam Jin Kim
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Sam Jin Kim.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Park, I.J., Rhee, C.H., Kim, C.M. et al. Tuning of the magnetocaloric effect in La manganites. Journal of the Korean Physical Society 61, 1817–1820 (2012). https://doi.org/10.3938/jkps.61.1817

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.3938/jkps.61.1817

Keywords

Search

Navigation