Effect of hybridization on structural and magnetic properties of iron-based superconductors

Details Effect of hybridization on structural and magnetic properties of iron-based superconductors Effect of hybridization on structural and magnetic properties of iron-based superconductors

2008-11-17

arxiv.org/abs/0811.2716v1

Physics

Condensed Matter

Superconductivity

4 pages, 2 figures

Scientific paper

We show that the strong hybridization between the iron 3d and the arsenic 4p orbitals, in the newly discovered iron-based high-T$_{c}$ superconductors, leads to an explanation of certain experimental observations that are presently not well understood. The existence of a lattice distortion, the smallness of the Fe magnetic moment in the undoped systems, and the suppression of both the lattice distortion and the magnetic order upon doping with fluorine, are all shown to result from this hybridization.

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