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Defect Identification in (La,Sr)CoO3−δ Using Positron Annhiiilation Spectroscopy

Published online by Cambridge University Press:  10 February 2011

T. Friessnegg ,
B. Nielsen ,
V. J. Ghosh ,
A.R. Moodenbaugh ,
S. Madhukar ,
S. Aggarwal ,
D.J. Keeble ,
E.H. Poindexter ,
P. Mascher  and
R. Ramesh
T. Friessnegg
Affiliation:
Department of Materials Science and Nuclear Engineering, University of Maryland, College Park, Maryland 20742
B. Nielsen
Affiliation:
Materials Science Division, Brookhaven National Laboratory, Upton, New York 11973
V. J. Ghosh
Affiliation:
Materials Science Division, Brookhaven National Laboratory, Upton, New York 11973
A.R. Moodenbaugh
Affiliation:
Materials Science Division, Brookhaven National Laboratory, Upton, New York 11973
S. Madhukar
Affiliation:
Department of Materials Science and Nuclear Engineering, University of Maryland, College Park, Maryland 20742
S. Aggarwal
Affiliation:
Department of Materials Science and Nuclear Engineering, University of Maryland, College Park, Maryland 20742
D.J. Keeble
Affiliation:
Carnegie Laboratory of Physics, University of Dundee, Dundee DDI 4HN, United Kingdom
E.H. Poindexter
Affiliation:
Army Research Laboratory, Adelphi, Maryland 20783
P. Mascher
Affiliation:
Department of Engineering Physics, McMaster University, Hamilton, Ontario L8S 4L7, Canada
R. Ramesh
Affiliation:
Department of Materials Science and Nuclear Engineering, University of Maryland, College Park, Maryland 20742
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Abstract

Vacancy type defects in bulk La1−xSrxCoO3−δ samples were investigated by positron lifetime spectroscopy. The effects of Sr-doping as well as the effect of oxygen deficiency were determined. Comparing the resolved lifetimes with calculated values permits defect identification.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 541: Symposium O – Ferroelectric Thin Films VII , 1998 , 161
Copyright
Copyright © Materials Research Society 1999

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References

REFERENCES

[1] Goodenough, J.B. and Raccah, R.C., J. Appl. Phys. 36, 1031 (1963).Google Scholar
[2] Teraoka, Y., Zhang, H., Furukawa, S., and Yamazoe, N., Chem. Lett., 1743 (1985).Google Scholar
[3] Ramesh, R., Gilchrist, H., Sands, T., Keramidas, V. G., Haakenaasen, R., and Fork, D.K., Appl. Phys. Lett. 63, 3592 (1993).Google Scholar
[4] Positron Solid-State Physics, Proceedings of the International School of Physics “Enrico Fermi”, Varena, 1981, edited by Brandt, W. and Dupasquier, A (North-Holland, Amsterdam, 1983).Google Scholar
[5] Positron Spectroscopy of Solids, Proceedings of the International School of Physics “Enrico Fermi”, Varena, 1993, edited by Dupasquier, A. and Mills, A.P. Jr (IOS Press).Google Scholar
[6] Keeble, D.J., Krishnan, A., Friessnegg, T., Nielsen, B., Madhukar, S., Aggarwal, S., Ramesh, R., and Poindexter, E.H., J. Appl. Phys. 81, 3543 (1997).Google Scholar
[7] Friessnegg, T., Madhukar, S., Nielsen, B., Moodenbaugh, A.R., Aggarwal, S., Keeble, D.J., Poindexter, E.H., Mascher, P. and Ramesh, R., submitted to Phys. Rev. B (June 1998)Google Scholar
[8] Itoh, M., Natori, I., Kubota, S., and Motoya, K., J. Phys. Soc. Jpn. 63, 1486 (1994).Google Scholar
[9] Puska, M.J. and Nieminen, R.M., J. Phys. F 13, 333 (1983).Google Scholar
[10] West, R.N., Adv. Phys. 22, 263 (1973).Google Scholar
[11] Petrov, A.N., Kononchuk, O. F., Andreev, A. V., Cherepanov, V. A., and Kofstad, P., Solid State Ionics 80, 189 (1995).Google Scholar