Inelastic neutron scattering studies on the crystal field excitations in superconducting NdFeAsO0.85F0.15

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • Peng Cheng
  • Sergey Danilkin
  • Tiesong Zhao
  • Jieming Sheng
  • Juanjuan Liu
  • Wei Luo
  • Jinchen Wang

Detail(s)

Original languageEnglish
Article number605160
Journal / PublicationAdvances in Condensed Matter Physics
Volume2015
Publication statusPublished - 2015
Externally publishedYes

Link(s)

Abstract

Inelastic neutron scattering experiments were performed on polycrystalline samples of NdFeAsO0.85F0.15 over a wide temperature range (3 K-250 K). Based on the analysis of the experimental data, a Nd3+ CF energy level scheme is proposed to give a consistent explanation about the observed CF transitions. The observed extra ground-state CF transitions could not be simply explained by the transitions between five Kramers doublets split from the Nd3+ 4I9/2 ground state in the C4v point symmetry. A reliable explanation would be a superposition of crystal fields due to different local symmetries around the Nd3+ ions induced by the fluorine doping.

Research Area(s)

Citation Format(s)

Inelastic neutron scattering studies on the crystal field excitations in superconducting NdFeAsO0.85F0.15. / Cheng, Peng; Bao, Wei; Danilkin, Sergey; Zhao, Tiesong; Sheng, Jieming; Liu, Juanjuan; Luo, Wei; Wang, Jinchen.

In: Advances in Condensed Matter Physics, Vol. 2015, 605160, 2015.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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