1H and 23Na nuclear magnetic resonance study of V6 magnetic molecular clusters

J. K. Jung*, D. Procissi, Z. H. Jang, B. J. Suh, F. Borsa, M. Luban, P. Kögerler, A. Müller

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

We report 1H and 23Na nuclear magnetic resonance (NMR) and relaxation measurements in two variants of the V6 cluster with formula [CH 3H 6] 4Na 2[H 4V 3L 2P 4O 4]ṡ14H 2O and Na 6[H 4V 3L 2P 4O 4]ṡ18H 2O, respectively. Both the NMR linewidth and the spin-lattice relaxation (NSLR) data can be explained semiquantitatively by assuming a dipolar coupling between the proton (sodium) nuclei and the three V(IV) magnetic moments forming an almost equilateral triangle with nearest neighbor antiferromagnetic exchange interactions. From the temperature dependence of the 23Na NSLR we obtain the value of the two gaps separating the lower energy total spin states.

Original languageEnglish (US)
Pages (from-to)7391-7393
Number of pages3
JournalJournal of Applied Physics
Volume91
Issue number10 I
DOIs
StatePublished - May 15 2002

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molecular clusters
spin-lattice relaxation
nuclear magnetic resonance
magnetic relaxation
triangles
magnetic moments
sodium
methylidyne
temperature dependence
nuclei
protons
interactions
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Jung, J. K., Procissi, D., Jang, Z. H., Suh, B. J., Borsa, F., Luban, M., ... Müller, A. (2002). 1H and 23Na nuclear magnetic resonance study of V6 magnetic molecular clusters. Journal of Applied Physics, 91(10 I), 7391-7393. https://doi.org/10.1063/1.1448788
Jung, J. K. ; Procissi, D. ; Jang, Z. H. ; Suh, B. J. ; Borsa, F. ; Luban, M. ; Kögerler, P. ; Müller, A. / 1H and 23Na nuclear magnetic resonance study of V6 magnetic molecular clusters. In: Journal of Applied Physics. 2002 ; Vol. 91, No. 10 I. pp. 7391-7393.
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Jung, JK, Procissi, D, Jang, ZH, Suh, BJ, Borsa, F, Luban, M, Kögerler, P & Müller, A 2002, '1H and 23Na nuclear magnetic resonance study of V6 magnetic molecular clusters', Journal of Applied Physics, vol. 91, no. 10 I, pp. 7391-7393. https://doi.org/10.1063/1.1448788

1H and 23Na nuclear magnetic resonance study of V6 magnetic molecular clusters. / Jung, J. K.; Procissi, D.; Jang, Z. H.; Suh, B. J.; Borsa, F.; Luban, M.; Kögerler, P.; Müller, A.

In: Journal of Applied Physics, Vol. 91, No. 10 I, 15.05.2002, p. 7391-7393.

Research output: Contribution to journalArticle

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AU - Jung, J. K.

AU - Procissi, D.

AU - Jang, Z. H.

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AU - Borsa, F.

AU - Luban, M.

AU - Kögerler, P.

AU - Müller, A.

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AB - We report 1H and 23Na nuclear magnetic resonance (NMR) and relaxation measurements in two variants of the V6 cluster with formula [CH 3H 6] 4Na 2[H 4V 3L 2P 4O 4]ṡ14H 2O and Na 6[H 4V 3L 2P 4O 4]ṡ18H 2O, respectively. Both the NMR linewidth and the spin-lattice relaxation (NSLR) data can be explained semiquantitatively by assuming a dipolar coupling between the proton (sodium) nuclei and the three V(IV) magnetic moments forming an almost equilateral triangle with nearest neighbor antiferromagnetic exchange interactions. From the temperature dependence of the 23Na NSLR we obtain the value of the two gaps separating the lower energy total spin states.

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