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

doi:10.1063/1.1448788

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

Radiology

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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 language	English (US)
Pages (from-to)	7391-7393
Number of pages	3
Journal	Journal of Applied Physics
Volume	91
Issue number	10 I
DOIs	https://doi.org/10.1063/1.1448788
State	Published - May 15 2002

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Physics and Astronomy(all)

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@article{f6cc3b800cc7465db20b4949b0447d63,

title = "1H and 23Na nuclear magnetic resonance study of V6 magnetic molecular clusters",

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.",

author = "Jung, {J. K.} and D. Procissi and Jang, {Z. H.} and Suh, {B. J.} and F. Borsa and M. Luban and P. K{\"o}gerler and A. M{\"u}ller",

year = "2002",

month = may,

day = "15",

doi = "10.1063/1.1448788",

language = "English (US)",

volume = "91",

pages = "7391--7393",

journal = "Journal of Applied Physics",

issn = "0021-8979",

publisher = "American Institute of Physics Publising LLC",

number = "10 I",

}

TY - JOUR

T1 - 1H and 23Na nuclear magnetic resonance study of V6 magnetic molecular clusters

AU - Jung, J. K.

AU - Procissi, D.

AU - Jang, Z. H.

AU - Suh, B. J.

AU - Borsa, F.

AU - Luban, M.

AU - Kögerler, P.

AU - Müller, A.

PY - 2002/5/15

Y1 - 2002/5/15

N2 - 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.

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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DO - 10.1063/1.1448788

M3 - Article

AN - SCOPUS:0037095012

SN - 0021-8979

VL - 91

SP - 7391

EP - 7393

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 10 I

ER -

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

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