Anomalous Larmour Frequency Dependence of Proton Spin-Lattice Relaxation Time (T$_1$) in the Ferroelectric Glycine Phosphite

Bangalore); IISc; J. Ramakrishna (Physics Dept; K. P. Ramesh; R. Kannan

arxiv: cond-mat/0007234 · v1 · pith:7ZL75GA6new · submitted 2000-07-13 · ❄️ cond-mat.mtrl-sci · cond-mat.dis-nn

Anomalous Larmour Frequency Dependence of Proton Spin-Lattice Relaxation Time (T₁) in the Ferroelectric Glycine Phosphite

R. Kannan , K. P. Ramesh , J. Ramakrishna (Physics Dept , IISc , Bangalore) This is my paper

classification ❄️ cond-mat.mtrl-sci cond-mat.dis-nn

keywords larmourdependenceferroelectricfrequencyglycinephosphiterelaxationspin-lattice

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We report here the results of $^1$H NMR spin-lattice relaxation time (T$_1$) studies in Glycine phosphite which is a ferroelectric below 224 K. The experiments have been carried out in the temperature range from 200 K to 419 K and at two Larmour frequencies of 11.40MHz and 23.56 MHz. We have noticed a Larmour frequency dependence on the high temperature side of the T$_1$ minimum >. A model is proposed based on the BPP theory to explain the observation.

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Anomalous Larmour Frequency Dependence of Proton Spin-Lattice Relaxation Time (T₁) in the Ferroelectric Glycine Phosphite

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