Ultrasonic attenuation in a cooperative Jahn-Teller system: TmZn

K. M. Leung; D. L. Huber; B. Lüthi

doi:10.1063/1.327185

Ultrasonic attenuation in a cooperative Jahn-Teller system: TmZn

K. M. Leung, D. L. Huber, B. Lüthi

Research output: Contribution to journal › Article › peer-review

Abstract

A general expression for the ultrasonic attenuation coefficient α (T) in systems undergoing strain-induced cooperative Jahn-Teller transitions has been derived. The theory makes use of the temperature dependent line widths of the crystal field manifolds. These have been calculated assuming the damping comes from aspherical coulomb scattering involving the rare-earth (RE) ion and the conduction electrons. With the theoretical expression for α (T) and the widths we make a comparison with experimental results for the RE intermetallic compound TmZn.

Original language	English (US)
Pages (from-to)	1831-1833
Number of pages	3
Journal	Journal of Applied Physics
Volume	50
Issue number	B3
DOIs	https://doi.org/10.1063/1.327185
State	Published - 1979

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.327185

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abstract = "A general expression for the ultrasonic attenuation coefficient α (T) in systems undergoing strain-induced cooperative Jahn-Teller transitions has been derived. The theory makes use of the temperature dependent line widths of the crystal field manifolds. These have been calculated assuming the damping comes from aspherical coulomb scattering involving the rare-earth (RE) ion and the conduction electrons. With the theoretical expression for α (T) and the widths we make a comparison with experimental results for the RE intermetallic compound TmZn.",

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AU - Huber, D. L.

AU - Lüthi, B.

PY - 1979

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AB - A general expression for the ultrasonic attenuation coefficient α (T) in systems undergoing strain-induced cooperative Jahn-Teller transitions has been derived. The theory makes use of the temperature dependent line widths of the crystal field manifolds. These have been calculated assuming the damping comes from aspherical coulomb scattering involving the rare-earth (RE) ion and the conduction electrons. With the theoretical expression for α (T) and the widths we make a comparison with experimental results for the RE intermetallic compound TmZn.

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Ultrasonic attenuation in a cooperative Jahn-Teller system: TmZn

Abstract

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