Details

Autor(en) / Beteiligte

• Sanna, S
• Carretta, P
• Moroni, M
• Prando, G
• Bonfà, P
• Allodi, G
• De Renzi, R
• Martinelli, A

Titel

Fast recovery of the pristine magnetic and structural phases in superconducting LaFeAsO0.89F0.11 by Mn/Fe substitution

Ist Teil von

• Journal of physics. Condensed matter, 2019-05, Vol.31 (17), p.174002-174002

Ort / Verlag

IOP Publishing

Erscheinungsjahr

2019

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• We report an experimental study on the effect of Mn impurities in the optimally doped compound. The results show that a very tiny amount of Mn, of the order of 0.1%, is enough to destroy superconductivity and to recover at low temperatures both the magnetic ground state and the orthorhombic structure of the pristine LaFeAsO parent compound. The results are discussed within a model where electron correlations enhance the Ruderman-Kittel-Kasuya-Yosida interaction among impurities.