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Spin-rotational relaxation of protons in some solid ammonium compounds

✍ Scribed by K. Shimomura; M. Yoshida; A. Sanjoh; H. Negita

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
229 KB
Volume
81
Category
Article
ISSN
0375-9601

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πŸ“œ SIMILAR VOLUMES

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Proton spin-&t&u refasation times rvere measured in soIid NI-I.+CIOq from 80 to 400Β°K. Relow 200Β°K the observed relsstltion times are due to dipoh interaction, abox that iemp--rature spin-rotational interactions become predominani. A potential barrier of 0.70 kcal mole-' was obtained for the reorie

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Nuclear spin-lattice relaxation times T, for protons in polycrystalline (NH4)2GeF6 were measured by the NMR pulse method from room tempersture to liquid helium temperature at 8 MHz and at 52 MHz. An anomalous temperature dependence of T1 WIS observed below LS'K at 8 hlHz. Parameters of the reorienta