Click here to view fulltext PDF

Permanent link:
https://www.ias.ac.in/article/fulltext/pram/002/04/0179-0188

Lattice dynamics; phonons; beryllium; neutron scattering

Phonon frequencies in beryllium along the principal symmetry directions have been determined by means of the slow neutron inelastic scattering technique. The data are analysed in terms of a six-neighbour force constant model and the force constants are evaluated. It is concluded that strong tensor forces are present in beryllium and the importance of this finding to basic theories of lattice dynamics is pointed out.

B A Dasannacharya¹ P K Iyengar¹ R V Nandedkar¹ K R Rao¹ A P Roy¹ C L Thaper¹

1. Nuclear Physics Division, Bhabha Atomic Research Centre, Trombay, Bombay - 400085

Published

April 1974

Manuscript received

15 January 1974