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arXiv · 0809.1239

Pressure Study of Superconducting Oxypnictide LaFePO

K. Igawa·H. Okada·K. Arii·H. Takahashi·Y. Kamihara·M. Hirano·H. Hosono·S. Nakano·T. Kikegawa
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Abstract

Electrical resistivity and magnetic susceptibility measurements under high pressure were performed on an iron-based superconductor LaFePO. A steep increase in superconducting transition temperature (Tc) of LaFePO with dTc/dP > 4 K/GPa to a maximum of 8.8 K for P = 0.8 GPa was observed. These results are similar to isocrystalline LaFeAsO1-xFx system reported previously. X-ray diffraction measurements were also performed under high pressure up to 10 GPa, where linear compressibility ka and kc are presented.

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K. Igawa, H. Okada, K. Arii, H. Takahashi, Y. Kamihara, M. Hirano, H. Hosono, S. Nakano, T. Kikegawa. 2008-09-08. Pressure Study of Superconducting Oxypnictide LaFePO. https://doi.org/10.1143/jpsj.78.023701

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