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Anomalous Larmour Frequency Dependence of Proton Spin Lattice Relaxation Time $(T_1)$ in the Ferroelectric Glycine Phosphite

Kannan, R and Ramesh, KP and Ramakrishna, J (2001) Anomalous Larmour Frequency Dependence of Proton Spin Lattice Relaxation Time $(T_1)$ in the Ferroelectric Glycine Phosphite. In: Physica Status Solidi B, 225 (1). pp. 157-162.

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Abstract

We report here the results of our $^{1}H$ NMR spin lattice relaxation time $(T_1)$ studies in glycine phosphite which is ferroelectric below 224 K. The experiments have been carried out in the temperature range from 200 to 419 K and at two Larmour frequencies of 11.40 and 23.56 MHz. We have noticed a Larmour frequency dependence of $T_1$ on the high-temperature side of the $T_1$ minimum. A model is proposed based on the BPP theory to explain the observation.

Item Type: Journal Article
Additional Information: The copyright belongs to WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Keywords: spin lattice relaxation time;ferroelectric glycine phosphite;larmour frequencies
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 06 Oct 2005
Last Modified: 19 Sep 2010 04:20
URI: http://eprints.iisc.ernet.in/id/eprint/3775

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