Extended Magnetic Dome Induced by Low Pressures in Superconducting FeSe 1− x S xстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 11 ноября 2019 г.
Аннотация:We report muon spin rotation (µSR) and magnetization measurements under pressure on FeSe1-x-δSx let's write Fe(Se1-xSx)1-δ in this place with x 0.09. We find an extended dome of long range magnetic order above p 0.6 GPa spanning a pressure range between previously reported separated magnetic phases. The magnetism initially competes with coexisting superconductivity leading to a local maximum and minimum of the superconducting Tc(p). The maximum of Tc corresponds to the onset of mag- netism while the minimum coincides with the pressure of strongest competition. A shift of the maximum of Tc(p) for a series of single crystals with x up to 0.14 roughly extrapolates to a putative magnetic and superconducting state at ambient pressure for x ≥ 0.2.