Skip to main content
SpringerLink
Log in

Photoemission study of SrTiO3 surface layers instability upon metal deposition

  • Published:
Applied Physics A Aims and scope Submit manuscript

Abstract

In this work we study the Pt/SrTiO3 (STO) interface system using X-ray photoelectron spectroscopy (XPS). The polycrystalline Pt layers with a thickness of about 2–3 nm are deposited by sputtering and thermal evaporation methods on STO(100) single crystals with two different type of terminations. We propose and show local conductivity (LC) measurements as a good method to check whether such very thin metal layers are continuous. The XPS data show that both methods of Pt deposition lead to changes of the chemical composition of the crystal surface layers, and such chemical instability should be taken into consideration when studying the physical properties of a metal–insulator interface.

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. K. Szot, W. Speier, G. Bihlmayer, R. Waser, Nature Mater. 5, 312 (2006)

    Article  ADS  Google Scholar 

  2. A. Asthagiri, D.S. Sholl, J. Chem. Phys. 16, 9914 (2002)

    Article  ADS  Google Scholar 

  3. J. Junquera, M. Zimmer, P. Ordejón, P. Ghosez, Phys. Rev. B 67, 155327 (2003)

    Article  ADS  Google Scholar 

  4. K. van Benthem, C. Elsässer, M. Rühle, Phys. Rev. B 72, 125435 (2005)

    Article  ADS  Google Scholar 

  5. A.D. Polli, T. Wagner, T. Gemming, M. Rühle, Surf. Sci. 448, 279 (2000)

    Article  Google Scholar 

  6. S. Doniach, M. Šunjić, J. Phys. C Condens. Matter 11, 285 (1970)

    Google Scholar 

  7. Y. Adachi, S. Kohiki, K. Wagatsuma, M. Oku, Appl. Surf. Sci. 143, 272 (1999)

    Article  Google Scholar 

  8. V.E. Henrich, G. Dresselhaus, H.J. Zeiger, Phys. Rev. B 17, 4908 (1978)

    Article  ADS  Google Scholar 

  9. W.D. Yang, J. Mater. Sci. 34, 3533 (1999)

    Article  Google Scholar 

  10. R.P. Vasquez, J. Electron. Spectrosc. Relat. Phenom. 56, 217 (1991)

    Google Scholar 

  11. K. Szot, W. Speier, U. Breuer, R. Meyer, J. Szade, R. Waser, Surf. Sci. 460, 112 (2000)

    Article  Google Scholar 

  12. K. Szot, W. Speier, R. Carius, U. Zastrow, W. Beyer, Phys. Rev. Lett. 88, 075508 (2002)

    Article  ADS  Google Scholar 

  13. H. Wei, L. Beurmann, J. Helmbold, G. Borchardt, V. Kempter, G. Lilienkamp, W. Maus-Friedrichs, J. Eur. Ceram. Soc. 21, 1667 (2001)

    Article  Google Scholar 

  14. P.A.W. van der Heide, Q.D. Jiang, Y.S. Kim, J.W. Rabalais, Surf. Sci. 473, 59 (2001)

    Article  Google Scholar 

  15. X.W. Zhou, H.N.G. Wadley, Surf. Sci. 431, 42 (1999)

    Article  Google Scholar 

  16. H. Schmalzried, W. Laqua, Z. Naturforsch. 34A, 192 (1979)

    Google Scholar 

  17. K. Szot, W. Speier, Phys. Rev. B 60, 5909 (1999)

    Article  ADS  Google Scholar 

  18. X.L. Li, B. Chen, H.Y. Jing, H.B. Lu, B.R. Zhao, Z.H. Mai, Q.J. Jia, Appl. Phys. Lett. 87, 222905 (2005)

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Institute of Solid State and CNI – Center of Nanoelectronic Systems for Information Technology, Research Center Jülich GmbH, 52425, Jülich, Germany

    B. Psiuk, H. Schroeder, H. Haselier, M. Młynarczyk, R. Waser & K. Szot

  2. A. Chełkowski Institute of Physics, University of Silesia, Universytecka 4, 40-007, Katowice, Poland

    B. Psiuk, J. Szade & K. Szot

  3. M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059, Kraków, Poland

    M. Młynarczyk

Authors
  1. B. Psiuk
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. J. Szade
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. H. Schroeder
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. H. Haselier
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. M. Młynarczyk
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. R. Waser
    View author publications

    You can also search for this author in PubMed Google Scholar

  7. K. Szot
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to K. Szot.

Additional information

PACS

68.35.-p; 68.35.Dy; 73.40.Ns; 79.60.-i; 81.07.–b

Rights and permissions

Reprints and permissions

About this article

Cite this article

Psiuk, B., Szade, J., Schroeder, H. et al. Photoemission study of SrTiO3 surface layers instability upon metal deposition. Appl. Phys. A 89, 451–455 (2007). https://doi.org/10.1007/s00339-007-4134-2

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00339-007-4134-2

Keywords

Search

Navigation