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Tuning the magnetic and structural phase transitions of PrFeAsO via Fe/Ru spin dilution
Yuen Yiu, Pietro Bonfà, Samuele Sanna +5
Neutron diffraction and muon spin relaxation measurements are used to obtain a detailed phase diagram of Pr(Fe,Ru)AsO. The isoelectronic substitution of Ru for Fe acts effectively…
Crossover between magnetism and superconductivity in low H-doped LaFeAsO
G. Lamura, T. Shiroka, P. Bonfa' +7
By a systematic study of the hydrogen-doped LaFeAsO system by means of dc resistivity, dc magnetometry, and muon-spin spectroscopy we addressed the question of universality of the…
Understanding the SR spectra of MnSi without magnetic polarons
A. Amato, P. Dalmas de Réotier, D. Andreica +8
Transverse-field muon-spin rotation (SR) experiments were performed on a single crystal sample of the non-centrosymmetric system MnSi. The observed angular dependence of the muo…
The poisoning effect of Mn in LaFe(1-x)Mn(x)AsO(0.89)F(0.11): unveiling a quantum critical point in the phase diagram of iron-based superconductors
F. Hammerath, P. Bonfá, S. Sanna +5
A superconducting-to-magnetic transition is reported for LaFeMnAsOF where a per thousand amount of Mn impurities is dispersed. By employing local spec…