Effect of misfit strain on the electrocaloric effect in epitaxial SrTiO3 thin films

Solid State and Materials


Based on a phenomenological Landau-Devonshire theory, the effect of misfit strain on the electrocaloric effect in epitaxial SrTiO3 thin films is investigated. Theoretical analysis indicates that both the electrocaloric coefficient and the adiabatic temperature change strongly depend on the misfit strain. Moreover, the maximum of electrocaloric coefficient almost does not change with increasing the compressive or tensile misfit strain. However, the enhancement of misfit strain enlarges both the adiabatic temperature change and the temperature at which it is maximized. Most importantly, the largest room-temperature electrocaloric effect can be attained at a critical misfit strain. Therefore, it may open more opportunities for practical application in refrigeration devices.


77.22.Ej Polarization and depolarization 77.70.+a Pyroelectric and electrocaloric effects 77.80.-e Ferroelectricity and antiferroelectricity 


  1. 1.
    Y. Fukudo, K. Aoki, K. Numata, A. Nishimura, Jpn J. Appl. Phys., Part 2 34, L1291 (1995)CrossRefGoogle Scholar
  2. 2.
    W.L. Warren, P.M. Lenanan, C.J. Brinker, C.S. Ashley, S.T. Reed, G.R, Shaffer, J. Appl. Phys. 69, 4404 (1991)CrossRefADSGoogle Scholar
  3. 3.
    J.M. Hurd, C.N. King, J. Electron. Mater. 8, 879 (1979)CrossRefADSGoogle Scholar
  4. 4.
    W. Chang, S.W. Kirchoefer, J.M. Pond, J.A. Bellotti, S.B. Qadri, J.H. Haeni, D.G. Schlom, J. Appl. Phys. 96, 6629 (2004)CrossRefADSGoogle Scholar
  5. 5.
    W. Chang, S.W. Kirchoefer, J.A. Bellotti, S.B. Qadri, J.M. Pond, J.H. Haeni, D.G. Schlom, J. Appl. Phys. 98, 024107 (2005)CrossRefADSGoogle Scholar
  6. 6.
    M.D. Biegalski, Y. Jia, D.G. Schlom, S.T. Mckinstry, S.K. Streiffer, V. Sherman, Appl. Phys. Lett. 88, 192907 (2006)CrossRefADSGoogle Scholar
  7. 7.
    J.H. Haeni, P. Irvin, W. Chang, R. Uecker, P. Reiche, Y.L. Li, S. Choudhury, W. Tian, M.E. Hawley, B. Craigo, A.K. Tagantsev, X.Q. Pan, S.K. Streiffer, L.Q. Chen, S.W. Kirchoefer, J. Levy, D.G. Schlom, Nature 430, 758 (2004)CrossRefADSGoogle Scholar
  8. 8.
    C.L. Canedy, H. Li, S.P. Alpay, L.S. Riba, A.L. Roytburd, R. Ramesh, Appl. Phys. Lett. 77, 1695 (2000)CrossRefADSGoogle Scholar
  9. 9.
    N.A. Pertsev, A.G. Zembilgotov, A.K. Tagantsev, Phys. Rev. Lett. 80, 1988 (1998)CrossRefADSGoogle Scholar
  10. 10.
    A.R. James, X.X. Xi, J. Appl. Phys. 92, 6149 (2002)CrossRefADSGoogle Scholar
  11. 11.
    B.H. Park, E.J. Peterson, Q.X. Jia, J. Lee, X. Zeng, W. Si, X.X. Xi, Appl. Phys. Lett. 78, 533 (2001)CrossRefADSGoogle Scholar
  12. 12.
    J.H. Hao, Z. Luo, J. Gao, J. Appl. Phys. 100, 114107 (2006)CrossRefADSGoogle Scholar
  13. 13.
    N.A. Pertsev, A.K. Tagantsev, N. Setter, Phys. Rev. B 61, (2000) R825; N.A. Pertsev, A.K. Tagantsev, N. Setter, Phys. Rev. B 65, 219901(E) (2002)CrossRefADSGoogle Scholar
  14. 14.
    Y.L. Li, S. Choudhury, J.H. Haeni, M.D. Biegalski, A. Vasudevarao, A. Sharan, H.Z. Ma, J. Levy, V. Gopalan, S.T. Mckinstry, D.G. Schlom, Q.X. Jia, L.Q. Chen, Phys. Rev. B 73, 184112 (2006)CrossRefADSGoogle Scholar
  15. 15.
    Y.H. Gao, H.X. Cao, Q. Jiang, J. Appl. Phys. 97, 064109 (2005)CrossRefADSGoogle Scholar
  16. 16.
    A. Antons, J.B. Neaton, K.M. Rabe, D. Vanderbilt, Phys. Rev. B 71, 024102 (2005)CrossRefADSGoogle Scholar
  17. 17.
    J.D. Childress, J. Appl. Phys. 33, 1793 (1962)CrossRefADSGoogle Scholar
  18. 18.
    E. Fatuzzo, H. Kiess, R. Nitsche, J. Appl. Phys. 37, 510 (1966)CrossRefADSGoogle Scholar
  19. 19.
    R.B. Olsen, W.F. Butler, D.A. Payne, B.A. Tuttle, P.C. Held, Phys. Rev. Lett. 45, 1436 (1980)CrossRefADSGoogle Scholar
  20. 20.
    W.N. Lawless, Phys. Rev. B 16, 433 (1977)CrossRefADSGoogle Scholar
  21. 21.
    G. Lombardo, R.O. Pohl, Phys. Rev. Lett. 15, 291 (1965)CrossRefADSGoogle Scholar
  22. 22.
    B.A. Tuttle, D.A. Payne, Ferroelectrics 37, 603 (1981)Google Scholar
  23. 23.
    A.S. Mischenko, Q. Zhang, J.F. Scott, R.W. Whatmore, N.D. Mathur, Science 311, 1270 (2006)CrossRefADSGoogle Scholar
  24. 24.
    B. Neese, B.J. Chu, S.G. Lu, Y. Wang, E. Furman, Q.M. Zhang, Science 321, 821 (2008)CrossRefADSGoogle Scholar
  25. 25.
    G. Akcay, S.P. Alpay, J.V. Mantese, G.A. Rossetti, Appl. Phys. Lett. 90, 252909 (2007)CrossRefADSGoogle Scholar
  26. 26.
    G. Akcay, S.P. Alpay, G.A. Rossetti, J.F. Scott, J. Appl. Phys. 103, 024104 (2008)CrossRefADSGoogle Scholar

Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  1. 1.Department of Electronic Science and EngineeringJiangsu Polytechnic UniversityChangzhouP.R. China
  2. 2.Department of PhysicsSuzhou UniversitySuzhouP.R. China

Personalised recommendations