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Non-Stoichiometric Transfer of Complex Oxides by Pulsed Laser Deposition at Low Fluences

Published online by Cambridge University Press:  15 February 2011

B. Dam ,
J.H. Rector ,
J. Johansson ,
DG. DE Groot  and
R. Griessen
B. Dam
Affiliation:
Faculty of Physics and Astronomy, Free University, De Boelelaan 1081, NL-1081 HV Amsterdam, The Netherlands
J.H. Rector
Affiliation:
Faculty of Physics and Astronomy, Free University, De Boelelaan 1081, NL-1081 HV Amsterdam, The Netherlands
J. Johansson
Affiliation:
Faculty of Physics and Astronomy, Free University, De Boelelaan 1081, NL-1081 HV Amsterdam, The Netherlands
DG. DE Groot
Affiliation:
Faculty of Physics and Astronomy, Free University, De Boelelaan 1081, NL-1081 HV Amsterdam, The Netherlands
R. Griessen
Affiliation:
Faculty of Physics and Astronomy, Free University, De Boelelaan 1081, NL-1081 HV Amsterdam, The Netherlands
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Abstract

We provide evidence that non-stoichiometric ablation of YBa2Cu3O7δ at low fluences is due to a phase separation of the target surface. On the other hand, in SrTiO3 we find at low fluences evidence for preferential ablation which is assisted by volume-diffusion. As a result, the Sr/Ti ratio of the ablated films can be tuned by choosing the appropriate fluence.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 397: Symposium B – Advanced laser Processing of Materials-Fundamentals and Applications , 1995 , 175
Copyright
Copyright © Materials Research Society 1996

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References

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