Mössbauer study of proton-exchanged LiNbO3:Fe |
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| Authors: | H. Engelmann G. Andler I. Dézsi |
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| Affiliation: | (1) Werkstoffwissenschaften, Universität des Saarlandes, D-6600 Saarbrücken, F.R. Germany |
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| Abstract: | Topotactic proton exchange (Li against H) can be achieved by treating LiBnO3 with appropriate acids. In order to investigate the effect of proton exchange on Fe-impurities we studied LiNbO3:Fe powder material treated in sulphuric acid and LiNbO3:Fe single crystals treated in benzoic acid by Mössbauer spectroscopy. During the topotactic ion exchange only the Li-ions are exchanged for protons, whereas the Fe-impurities are retained in the material. |
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