Raman-scattering study of Kx Sr1-x Fe2 As2 (x=0.0,0.4)

A. P. Litvinchuk, V. G. Hadjiev, M. N. Iliev, Bing Lv, A. M. Guloy, C. W. Chu

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81 引文 斯高帕斯(Scopus)

摘要

Polarized Raman spectra of nonsuperconducting SrFe2 As2 and superconducting K0.4 Sr0.6 Fe2 As2 (Tc =37K) microcrystals are reported. All four-phonon modes (A1g + B1g +2 Eg) allowed by symmetry are found and identified. Shell model gives reasonable description of the spectra. No detectable anomalies are observed near the tetragonal-to-orthorhombic transition in SrFe2 As2 or the superconducting transition in K0.4 Sr0.6 Fe2 As2.

原文English
文章編號060503
期刊Physical Review B - Condensed Matter and Materials Physics
78
發行號6
DOIs
出版狀態Published - 2008 8月 14

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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