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M J L Sangster1, G Peckham1 and D H Saunderson1
Published under licence by IOP Publishing Ltd
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Citation M J L Sangster et al 1970 J. Phys. C: Solid State Phys. 3 1026
DOI 10.1088/0022-3719/3/5/017
1967 Total downloads
Measurements of the inelastic neutron scattering by longitudinal optic phonons in MgO are reported. These results and those previously obtained for other branches are used in an investigation of various lattice dynamical models, including shell and breathing shell models. It is shown that the agreement with the measured data is improved by the inclusion of breathing effects.