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The 181Hf/181Ta Probe in the Li and Nb Sites of Congruent Linbo3 Co-doped with Mg and Cr Ions Studied by γ–γ PAC

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Abstract

The results reported in this work show the relevance of the lithium deficiency for the Li lattice site occupation of dopants in congruent lithium niobate crystals co-doped with 0.1 mol% Cr2O3 and different concentrations of HfO2, up to 3 mol%. The same behavior is observed in a crystal doped with 1 mol% of HfO2 and co-doped with 4 mol% MgO where after annealing most of the Hf/Ta probes occupy the Nb lattice site.

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Authors and Affiliations

  1. CFNUL, Universidade de Lisboa, Av. Prof. Gama Pinto 2, P-1649-003, Lisboa, Portugal

    S. A. Dias, J. G. Marques, J. G. Correia & J. C. Soares

  2. Instituto Tecnológico e Nuclear, Estrada Nacional 10, P-2685-953, Sacavém, Portugal

    J. G. Marques & J. G. Correia

  3. Departamento de Física de Materiales, C-IV, Universidade Autónoma, E-28049, Madrid, Spain

    J. A. Sanz

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  1. S. A. Dias
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  2. J. G. Marques
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  3. J. G. Correia
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  4. J. A. Sanz
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  5. J. C. Soares
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Correspondence to S. A. Dias.

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Dias, S.A., Marques, J.G., Correia, J.G. et al. The 181Hf/181Ta Probe in the Li and Nb Sites of Congruent Linbo3 Co-doped with Mg and Cr Ions Studied by γ–γ PAC. Hyperfine Interact 158, 323–328 (2004). https://doi.org/10.1007/s10751-005-9060-0

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  • DOI: https://doi.org/10.1007/s10751-005-9060-0

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