Non-stoichiometric transfer of complex oxides by pulsed laser deposition at low fluences

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Non-stoichiometric transfer of complex oxides by pulsed laser deposition at low fluences

Journal Article (1996)

Author(s)

B. Dam (Vrije Universiteit Amsterdam)

J. Rector (Vrije Universiteit Amsterdam)

J. Johansson (Vrije Universiteit Amsterdam)

D. G. De Groot (Vrije Universiteit Amsterdam)

R. Griessen (Vrije Universiteit Amsterdam)

Affiliation

External organisation

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Publication Year

1996

Language

English

Affiliation

External organisation

Volume number

397

Pages (from-to)

175-180

Abstract

We provide evidence that non-stoichiometric ablation of YBa₂Cu₃O_7-δ 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.

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