Quantum oscillations in the parent magnetic phase of an iron arsenide high temperature superconductor

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dc.creatorSebastian, Suchitra E.
dc.creatorGillett, J.
dc.creatorHarrison, N.
dc.creatorLau, P. H. C.
dc.creatorMielke, C. H.
dc.creatorLonzarich, G. G.
dc.date2008-06-30
dc.date2008-11-17
dc.date.accessioned2026-07-07T10:18:18Z
dc.date.available2026-07-07T10:18:18Z
dc.descriptionWe report quantum oscillation measurements in SrFe2As2 - which is an antiferromagnetic parent of the iron-arsenide family of superconductors - known to become superconducting under doping and the application of pressure. The magnetic field and temperature dependences of the oscillations between 20 and 55 T in the liquid helium temperature range suggest that the electronic excitations are those of a Fermi liquid. We show that the observed Fermi surface comprising small pockets is consistent with the formation of a spin-density wave. Our measurements thus demonstrate that high Tc superconductivity can occur on doping or pressurizing a conventional metallic spin-density wave state.
dc.identifierhttps://arxiv.org/abs/0806.4726
dc.identifierhttp://arxiv.org/abs/0806.4726
dc.identifierJ. Phys.: Condens. Matter 20 422203 (2008)
dc.identifierdoi:10.1088/0953-8984/20/42/422203
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/174140
dc.subjectSuperconductivity
dc.titleQuantum oscillations in the parent magnetic phase of an iron arsenide high temperature superconductor
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