Abstract
The enhanced \(^{51}\hbox {V}\) NMR in \(\hbox {Al}_{2} \hbox {O}_{{3}}\) and [C(\(\hbox {NH}_{2})_{3}\)]Al(\(\hbox {SO}_{4})_{2} {\cdot }6\hbox {H}_{2}\)O have been studied. Both systems are Van Vleck paramagnets. Analysis of enhanced \(^{51}\hbox {V}\) NMR and \(\hbox {V}^{{3+}}\) ESR data allowed us to estimate vanadium nuclear quadrupole frequencies and hyperfine interaction constant B for \(^{51} \hbox {V}^{{3+}}\) ions in corundum for the first time.
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Data Availability Statement
This manuscript has no associated data or the data will not be deposited. [Authors’ comment: The data that support the relevant results within this paper are available from the corresponding author on reasonable request.]
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Acknowledgements
This work was funded by the subsidy allocated to Kazan Federal University for the state assignment in the sphere of scientific activities (project number: 0671-2020-0051).
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The article preparation took very long time starting from the \(^{51}\hbox {V}\) NMR experiments in GASH (1984). It has been followed by the first analysis of experimental data, initiation of the common analysis of \(^{51}\hbox {V}\) NMR in corundum and GASH, and the final outline of enhanced NMR in the ions of the iron transition group. The authors contributed equally into these items.
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Egorov, A.V., Kondratyeva, E.I. & Tagirov, M.S. Enhanced NMR of \(^{51}\hbox {V}\). Eur. Phys. J. B 94, 184 (2021). https://doi.org/10.1140/epjb/s10051-021-00197-6
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DOI: https://doi.org/10.1140/epjb/s10051-021-00197-6