Suppression of the magnetic order in CeFeAsO: Nonequivalence of hydrostatic and in-plane chemical pressure

We present a detailed investigation of the electronic properties of CeFeAsO under in-plane 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 abo...

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Bibliographic Details
Published in:Physical review. B 2018-07, Vol.98 (1), Article 014517
Main Authors: Materne, Philipp, Bi, Wenli, Alp, Esen Ercan, Zhao, Jiyong, Hu, Michael Yu, Jesche, Anton, Geibel, Christoph, Kappenberger, Rhea, Aswartham, Saicharan, Wurmehl, Sabine, Büchner, Bernd, Zhang, Dongzhou, Goltz, Til, Spehling, Johannes, Klauss, Hans-Henning
Format: Article
Language:English
Subjects:
Crystallography
Hydrostatic pressure
iron-based superconductors
Magnetism
MATERIALS SCIENCE
Mossbauer spectroscopy
Mössbauer
Organic chemistry
pressure
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Summary:We present a detailed investigation of the electronic properties of CeFeAsO under in-plane 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 changes the crystallographic and electronic properties differently than hydrostatic pressure.
ISSN:2469-9950
2469-9969
DOI:10.1103/PhysRevB.98.014517