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GocInstitute of Molecular Physics, Polish Academy of Sciences, Poznań, PolandInstitute of Physics, Adam Mickiewicz University, Poznań, Polandby J. KuhlThe second moments of the proton magnetic resonance lines and relaxation times in the laboratory frame T1, in polycrystalline glycinum phosphite (NH+3CH2COOH)(H2PO−3) were measured. The proton spin-lattice relaxation measurements reveal one minimum due to the C3 reorientations of the amino groups of glycinum cations. Analysis of the relaxation data yields the activation energy barrier of 28.7kJmol−1. Second moment measurements confirm the phase transition at Tc=224K known from different studies. The molecular mechanism of the order–disorder phase transition is discussed.A. ferroelectricsB. crystal growthC. nuclear magnetic resonanceD. spin dynamics
The second moments of the proton magnetic resonance lines and relaxation times in the laboratory frame T 1 , in polycrystalline glycinum phosphite (NH +3 CH 2 COOH)(H 2 PO -3 ) were measured. The proton spin-lattice relaxation measurements reveal one minimum due to the C 3 reorientations of the amino groups of glycinum cations. Analysis of...
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