Advertisement

Bulletin of Materials Science

, 42:267 | Cite as

A comparative study on phase co-existence of \(\hbox {La}_{1/4}\hbox {Pr}_{3/8}\hbox {Ca}_{3/8}\hbox {MnO}_{3}\) in a polycrystalline bulk and thin film

  • Harsh BhattEmail author
  • Yogesh Kumar
  • C L Prajapat
  • M K Thota
  • Surendra Singh
Article
  • 5 Downloads

Abstract

We present a comparative study on phase co-existence in \(\hbox {La}_{1/4}\hbox {Pr}_{3/8}\hbox {Ca}_{3/8}\hbox {MnO}_{3}\) (LPCMO) in a polycrystalline bulk and thin film form. The X-ray diffraction results confirm the formation of single-phase polycrystalline bulk and c-axis-oriented strained epitaxial thin films on a \(\hbox {LaAlO}_{3}\) substrate. Scanning electron microscopy images show a homogeneous microstructure growth for both the bulk as well as thin film samples. The temperature dependent magnetization curves for bulk and thin film show remarkably different features indicating the presence of very different phase separation scenarios. A two-step rise and a large thermal hysteresis are observed between zero-field cooled and field-cooled magnetization plots in the bulk sample. However, the magnetization of the film shows a very small hysteresis and a negligible signature of the CO-AFM state for the same composition. The field dependent magnetization plots indicate that in a bulk form LPCMO is a soft magnet and shows a metamagnetic behaviour while in a thin film form it acts as a hard magnet and the metamagnetic behaviour is completely lost.

Keywords

Phase co-existence PLD charge ordering ferromagnetism SEM 

Notes

Acknowledgements

We would like to thank Mr V B Jayakrishnan from BARC, Mumbai for his help in recording the X-ray diffraction patterns. This work is partially supported by the Department of Science and Technology (DST), India via the DST INSPIRE Faculty research grant (DST/INSPIRE/04/2015/002938).

References

  1. 1.
    Salamon M B and Jaime M 2001 Rev. Mod. Phys. 73 583CrossRefGoogle Scholar
  2. 2.
    Dagotto E, Hotta T and Moreo A 2001 Phys. Rep. 344 1CrossRefGoogle Scholar
  3. 3.
    Uehara M, Mori S, Chen C H and Cheong S W 1999 Nature 399 560CrossRefGoogle Scholar
  4. 4.
    Casa D, Kiryukhin V, Saleh O A, Keimer B, Hill J P, Tomioka Y et al 1999 Europhys. Lett. 47 90CrossRefGoogle Scholar
  5. 5.
    Kim K, Uehara M, Hess C, Sharma P and Cheong S-W 2000 Phys. Rev. Lett. 84 2961CrossRefGoogle Scholar
  6. 6.
    Uehara M and Cheong S W 2000 Europhys. Lett. 52 674CrossRefGoogle Scholar
  7. 7.
    Israel C, Wu W and De Lozanne A 2006 Appl. Phys. Lett. 89 032502CrossRefGoogle Scholar
  8. 8.
    Ghivelder L and Parisi F 2005 Phys. Rev. B–Condens. Matter Mater. Phys. 71 1Google Scholar
  9. 9.
    Moritomo Y, Kuwahara H, Tomioka Y and Tokura Y 1997 Phys. Rev. B 55 7549CrossRefGoogle Scholar
  10. 10.
    Kiryukhin V, Casa D, Hill J P, Keimer B, Vigliante A, Tomioka Y et al 1997 Nature 386 813CrossRefGoogle Scholar
  11. 11.
    Sharma H, Lees M, Balakrishnan G, Paul D M, Tulapurkar A and Tomy C 2017 Mater. Chem. Phys. 194 142CrossRefGoogle Scholar
  12. 12.
    Kiryukhin V, Kim B G, Podzorov V, Cheong S-W, Koo T Y, Hill J P et al 2000 Phys. Rev. B 63 024420CrossRefGoogle Scholar
  13. 13.
    Deac I G, Diaz S V, Kim B G, Cheong S-W and Schier P 2002 Phys. Rev. B 65 174426CrossRefGoogle Scholar
  14. 14.
    Dwivedi G D, Kumar S, Joshi A G, Kumar S, Ghosh A K, Chou H et al 2017 J. Alloys Compd. 699 31CrossRefGoogle Scholar
  15. 15.
    Rao C N R and Raveau B 1998 Colossal Magnetoresistance Charge ordering and related properties of manganese oxides (Singapore: WorldScientic) ISBN: 978-981-02-3276-4Google Scholar
  16. 16.
    Nelson C S, Hill J P, Gibbs D, Rajeswari M, Biswas A, Shinde S et al 2004 J. Phys.: Condens. Matter 1 16Google Scholar
  17. 17.
    Zhang C, Su F, Dai J, Pi L, Mei H, Zhang P et al 2016 Jpn. J. Appl. Phys. 3 55Google Scholar
  18. 18.
    Sharma P A, Kim S B, Koo T Y, Guha S and Cheong S W 2005 Phys. Rev. B 71 1Google Scholar
  19. 19.
    Singh S, Sharma G, Thakur M K, Siwach P K, Kumar Tyagi P, Maurya K K et al 2015 AIP Adv. 5 027131CrossRefGoogle Scholar
  20. 20.
    Bingham N S, Lampen P, Phan M H, Hoang T D, Chinh H D, Zhang C L et al 2012 Phys. Rev. B 86 1CrossRefGoogle Scholar
  21. 21.
    Bhargava S C, Kunkel H P, Singh S, Malik S K, Buddhikot D D and Morrish A H 2005 Phys. Rev. B 71 104419CrossRefGoogle Scholar

Copyright information

© Indian Academy of Sciences 2019

Authors and Affiliations

  • Harsh Bhatt
    • 1
    • 4
    Email author
  • Yogesh Kumar
    • 1
  • C L Prajapat
    • 2
  • M K Thota
    • 3
  • Surendra Singh
    • 1
    • 4
  1. 1.Solid State Physics DivisionBhabha Atomic Research CentreTrombayIndia
  2. 2.Technical Physics DivisionBhabha Atomic Research CentreTrombayIndia
  3. 3.Mechanical Metallurgy DivisionBhabha Atomic Research CentreTrombayIndia
  4. 4.Homi Bhabha National InstituteMumbaiIndia

Personalised recommendations