Inelastic Neutron Scattering by Cerium Hydrides. II. Lattice Dynamical Approach | Zendy

Vorderwisch P. | Zendy; Hautecler S. | Zendy; Deckers H. | Zendy

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Inelastic Neutron Scattering by Cerium Hydrides. II. Lattice Dynamical Approach

Author(s) -

Vorderwisch P.,

Hautecler S.,

Deckers H.

Publication year - 1974

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220650115

Subject(s) - cerium , inelastic neutron scattering , lattice constant , inelastic scattering , neutron scattering , neutron , lattice (music) , force constant , chemistry , scattering , atomic physics , physics , condensed matter physics , molecular physics , nuclear physics , molecule , inorganic chemistry , quantum mechanics , diffraction , acoustics

A central force lattice dynamical model, previously applied by Slaggie to the CaF 2 structure of ZrH 2 , is extended to the BiF 3 structure. It is used for the analysis of inelastic neutron scattering data on cerium hydrides CeH 1.98 and CeH 2.72 . For both samples the force constants are derived. The values of the corresponding force constants in both hydrides are different. The additional hydrogen in the CeH 2 structure is found to be weakly bound.

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