Crystal Dynamics of Cesium Iodide | Zendy

Bühner W. | Zendy; Hälg W. | Zendy

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Crystal Dynamics of Cesium Iodide

Author(s) -

Bühner W.,

Hälg W.

Publication year - 1971

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.2220460225

Subject(s) - caesium , inelastic neutron scattering , inelastic scattering , crystal (programming language) , spectrometer , atomic physics , symmetry (geometry) , scattering , neutron scattering , physics , iodide , thermal , shell (structure) , vibration , chemistry , molecular physics , materials science , optics , nuclear physics , thermodynamics , quantum mechanics , geometry , mathematics , organic chemistry , programming language , composite material , computer science

Frequencies of the normal modes of vibration of cesium iodide at room temperature propagating in certain symmetry directions were determined by means of slow‐neutron inelastic scattering using a triple axis spectrometer. The data are in reasonable agreement with thermal diffuse X‐ray scattering investigations of Eldridge [1]. The shell model was fitted to the frequencies with good results. This 14‐parameter model was used to compute a frequency distribution and related thermodynamic data.

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