Intrinsic ferromagnetic impurity phases in SmFeAsO1-xFx detected by muSR
classification
❄️ cond-mat.supr-con
keywords
ferromagneticintrinsicmusrsmfeaso1-xfxtemperaturecharacterizedcloseconfused
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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.
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