Suppression of the magnetic order in CeFeAsO: non-equivalence of hydrostatic and chemical pressure

Abstract

We present a detailed investigation of the electronic properties of CeFeAsO under chemical (As by P substitution) and hydrostatic pressure by means of in-house and synchrotron Mössbauer spectroscopy. The Fe magnetism is suppressed due to both pressures and no magnetic order was observed above a P-substitution level of 40% or 5.2 GPa hydrostatic pressure. We compared both pressures and found that the isovalent As by P substitution change the crystallographic and electronic properties differently than hydrostatic pressure.

arXiv commentsupplement is included in the pdf file

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Cited by in corpus (4)

• Bandwidth controlled insulator-metal transition in BaFe${}_2$S${}_3$: A Mössbauer study under pressure
• Pressure induced collapse of magnetic order in jarosite
• Electron doping of the iron-arsenide superconductor CeFeAsO controlled by hydrostatic pressure
• Microscopic phase diagram of LaFeAsO single crystals under pressure