Frequency distribution function of solid ammonia

Goyal, P. S. ; Dasannacharya, B. A. ; Thaper, C. L. ; Iyengar, P. K. (1972) Frequency distribution function of solid ammonia Physica Status Solidi B: Basic Research, 50 (2). pp. 701-708. ISSN 0370-1972

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The frequency distribution function, g(ω), for solid ammonia has been derived from neutron inelastic scattering experiments at 106°K. It is used to calculate the specific heat and to analyse it in terms of Debye temperatures for translational and rotational parts. A comparison of the Debye temperatures with those obtained from the measured specific heat shows an excellent agreement up to 100°K, suggesting that the anharmonicity is not large below this temperature. Translational and rotational moments of the frequency distribution function calculated from the obtained g(ω) and the specific heat data are found to agree within about 10%.

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ID Code:10157
Deposited On:03 Nov 2010 04:20
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