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Proton NMR study of molecular dynamics and phase transitions in methylammonium hexachloro plumbate, [NH3CH3](2)PbCl6

Murthy, BVS and Ramesh, KP and Ramakrishna, J (2000) Proton NMR study of molecular dynamics and phase transitions in methylammonium hexachloro plumbate, [NH3CH3](2)PbCl6. In: Phase Transitions, 70 (04). pp. 253-261.

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Abstract

Proton spin lattice relaxation time (T-1), measured as a function of temperature in the range 375-77 K. shows slope changes at 333, 321 and 111 K, in addition to a first order phase transition at 150 K. The observed T-1 behaviour and second moment (M-2) variation with temperature are explained on the basis of the different possible motions of CH3 and NH3 groups.

Item Type: Journal Article
Additional Information: Copyright of this articel belongs to Taylor and Francis Group.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 20 Nov 2009 09:07
Last Modified: 20 Nov 2009 09:07
URI: http://eprints.iisc.ernet.in/id/eprint/18643

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