Intrinsic ferromagnetic impurity phases in SmFeAsO1-xFx detected by muSR

S. Sanna; R. De Renzi; G. Lamura; C. Ferdeghini; A. Martinelli; A. Palenzona; M. Putti; M. Tropeano; T. Shiroka

doi:10.1007/s10948-009-0472-y

Intrinsic ferromagnetic impurity phases in SmFeAsO1-xFx detected by muSR

Superconductivity 2009-09-17 v1

Authors: S. Sanna , R. De Renzi , G. Lamura , C. Ferdeghini , A. Martinelli , A. Palenzona , M. Putti , M. Tropeano , T. Shiroka

View on arXiv ↗ PDF ↗ DOI ↗

Abstract

We report about muSR measurements on SmFeAsO1-xFx which helped us to identify the signature of diluted ferromagnetic inclusions, ubiquitous in the iron pnictides. These impurities are characterized by a Curie temperature close to room temperature and they seem responsible for a non negligible magnetic relaxation of the implanted muons, that should not be confused with intrinsic pnictide properties.

Keywords

muSR SmFeAsO1-xFx iron pnictides ferromagnetic impurities magnetic relaxation

Cite

@article{arxiv.0909.3004,
  title  = {Intrinsic ferromagnetic impurity phases in SmFeAsO1-xFx detected by muSR},
  author = {S. Sanna and R. De Renzi and G. Lamura and C. Ferdeghini and A. Martinelli and A. Palenzona and M. Putti and M. Tropeano and T. Shiroka},
  journal= {arXiv preprint arXiv:0909.3004},
  year   = {2009}
}

Comments

The International Conference on FeAs High Tc Superconducting Multilayers and Related Phenomena (Superstripes2008), Rome, Italy, December 9-13, 2008

Intrinsic ferromagnetic impurity phases in SmFeAsO1-xFx detected by muSR

Abstract

Keywords

Cite

Comments

Related papers