期刊
PHYSICAL REVIEW B
卷 85, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.85.012501
关键词
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资金
- European project SOPRANO [PITN-GA-2008-214040]
- NRF [2010-0007487, 2010-0029136, 2006-2002165]
- Ministry of Education, Science and Technology of Korea
- National Research Foundation of Korea [2010-0007487, 2010-0029136, 2006-2002165] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We report an investigation of the lattice dynamical properties of LiFeAs using inelastic light scattering. Five 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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