Successive phase transitions under high pressure in FeTe0.92

Details Successive phase transitions under high pressure in FeTe0.92 Successive phase transitions under high pressure in FeTe0.92

2009-04-20

arxiv.org/abs/0904.2945v2

J. Phys. Soc. Jpn. 78 (2009) 083709.

Physics

Condensed Matter

Superconductivity

15 pases, 5 figures, added mangnetization data

Scientific paper

10.1143/JPSJ.78.083709

We performed magnetization and electrical resistivity measurements under high pressures of up to 19 GPa for FeTe0.92. The compound shows an anomaly in magnetization and resistivity at atmospheric pressure due to a structural distortion accompanied by a magnetic transition. We also observed magnetic and resistive anomalies under high pressure, suggesting that two pressure-induced phases exist at a low temperature. Unlike in FeAs-based compounds, no superconductivity was detected under high pressures of up to 19 GPa, although the anomaly at atmospheric pressure was suppressed by applying pressure.

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