Raman Scattering Study of the Lattice Dynamics of Superconducting LiFeAs

Details Raman Scattering Study of the Lattice Dynamics of Superconducting LiFeAs Raman Scattering Study of the Lattice Dynamics of Superconducting LiFeAs

2011-09-27

arxiv.org/abs/1109.5797v2

Physical Review B 85 012501 (2012)

Physics

Condensed Matter

Superconductivity

5 pages, 3 figures, 1 table

Scientific paper

10.1103/PhysRevB.85.012501

We report an investigation of the lattice dynamical properties of LiFeAs using inelastic light scattering. Five out of the six expected phonon modes are observed. The temperature evolution of their frequencies and linewidths is in good agreement with an anharmonic-decay model. We find no evidence for substantial electron-phonon coupling, and no superconductivity-induced phonon anomalies.

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