Raman scattering study of NaFe0.53Cu0.47As

W. L. Zhang, Y. Song, W. Y. Wang, C. D. Cao, P. C. Dai, C. Q. Jin, G. Blumberg

Research output: Contribution to journalArticlepeer-review


We use polarization-resolved Raman scattering to study lattice dynamics in NaFe0.53Cu0.47As single crystals. We identify four A1g phonon modes, at 126, 172, 183, and 197 cm-1, and four B3g phonon modes at 101, 139, 173, and 226 cm-1(D4h point group). The phonon spectra are consistent with the Ibam space group, which confirms that the Cu and Fe atoms form a stripe order. The temperature dependence of the phonon spectra suggests weak electron-phonon and magnetoelastic interactions.

Original languageEnglish (US)
Article number094512
JournalPhysical Review B
Issue number9
StatePublished - Sep 13 2018

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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