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^1H NMR on (Ni_xMn_{1-x})_3[Cr(CN)_6]_2 · nH_2O

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Bokor M., Tompa K., Kiss L., Zentková M., Zentko A., Mihalik M., Maťaš S., Mitróová Z.

Acta Physica Polonica A

2008

vol. 113

issue 1

485-488

We report on ^1H NMR of (Ni_xMn_{1-x})3[Cr(CN)_6]_2·15H_2O hexacyanochromates, where x changes from 0 to 1. The decay time constants of the free induction decay signals described by an effective spin-spin relaxation time T_{2eff} obtained from M(t) = M_0 exp(t/T_{2eff}) decrease as the local magnetic moments increase produced by the magnetic transition metal ions at the sites of the resonant ^1H nuclei. The recovery of the magnetization in the spin-lattice relaxation time (T_1) experiments was single-exponential.

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1 Acta Physica Polonica A

1 2008

1 Bokor M.

1 Kiss L.

1 Maťaš S.

1 Mihalik M.

1 Mitróová Z.

1 Tompa K.

1 Zentko A.

1 Zentková M.

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^1H NMR on (Ni_xMn_{1-x})_3[Cr(CN)_6]_2 · nH_2O