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American Institute of Physics, Journal of Applied Physics, 8(107), p. 084108

DOI: 10.1063/1.3342599

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Lithium niobate crystals doped with iron by thermal diffusion: Relation between lattice deformation and reduction degree

Journal article published in 2010 by M. V. Ciampolillo, Ciampolillo Mv, A. Zaltron, M. Bazzan, N. Argiolas ORCID, C. Sada ORCID, M. Bianconi
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This paper is available in a repository.

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Abstract

We report, to our knowledge for the first time, on the experimental observation that the maximum lattice deformation induced at the surface of iron doped lithium niobate crystal by thermal diffusion depends on both the Fe concentration and the reduction degree of the doped layer itself. By exploiting a simple linear model, we suggest a description of this experimental evidence and we point out a procedure that allows the characterization of the in-depth profile of the [ Fe 2+]/[ Fe 3+] ratio.