Correlated pressure effects on structure and superconductivity in LaFeAsO0.9F0.1

Details Correlated pressure effects on structure and superconductivity in LaFeAsO0.9F0.1 Correlated pressure effects on structure and superconductivity in LaFeAsO0.9F0.1

2008-08-07

arxiv.org/abs/0808.1131v2

Physics

Condensed Matter

Superconductivity

15 pages, 4 figures, 1 table

Scientific paper

10.1103/PhysRevB.78.100507

We have studied the structural and superconductivity properties of the compound LaFeAsO0.9F0.1 under pressures up to 32GPa using synchrotron radiation and diamond anvil cells. We obtain an ambient pressure bulk modulus K_0 = 78(2)GPa, compressibility comparable to some cuprates. At high pressures, the sample is in the overdoped region, with a linear decrease with pressure variation of the superconducting transition temperature.

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