FeTe as a candidate material for new iron-based superconductor

Details FeTe as a candidate material for new iron-based superconductor FeTe as a candidate material for new iron-based superconductor

2008-10-29

arxiv.org/abs/0810.5191v1

Physica C 469, 1027 (2009)

Physics

Condensed Matter

Superconductivity

15 pages, 5 figures, ISS2008

Scientific paper

10.1016/j.physc.2009.05.177

Tetragonal FeSe is a superconductor with a transition temperature Tc of 8 K and shows a huge enhancement of Tc with applying pressure. Tetragonal FeTe has a structure very analogous to superconducting FeSe, but does not show superconducting transition. We investigated the pressure effect of resistivity on FeTe. The resistivity at room temperature decreased with increasing pressure. An anomaly in resistivity around 80 K shifted towards a lower temperature with increasing pressure.

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