Search for pressure induced superconductivity in CeFeAsO and CeFePO iron pnictides
Zocco, Diego A. · Baumbach, Ryan E. · Hamlin, James J. · Janoschek, Marc · Lum, Ivy K. · McGuire, Michael A. · Sefat, Athena S. · Sales, Brian C. · Jin, Rongying · Mandrus, David · Jeffries, Jason R. · Weir, Samuel T. · Vohra, Yogesh K. · Maple, M. Brian
Original · EN
The CeFeAsO and CeFePO iron pnictide compounds were studied via electrical transport measurements under high-pressure. In CeFeAsO polycrystals, the magnetic phases involving the Fe and Ce ions coexist up to 15 GPa, with no signs of pressure-induced superconductivity up to 50 GPa. For the CeFePO single crystals, pressure stabilizes the Kondo screening of the Ce 4f-electron magnetic moments.
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