Effect of hydrostatic pressure on the ambient pressure superconductor CePt_3Si
M. Nicklas, G. Sparn, R. Lackner, E. Bauer, F. Steglich
TL;DR
This study investigates how hydrostatic pressure influences superconductivity and antiferromagnetism in CePt_3Si, revealing suppression of antiferromagnetism at 0.5 GPa and a decrease in superconducting transition temperature.
Contribution
It provides a detailed pressure-temperature phase diagram for CePt_3Si, showing the interplay between superconductivity and antiferromagnetism under pressure.
Findings
Antiferromagnetism is suppressed at 0.5 GPa.
Superconducting transition temperature decreases with pressure.
Pressure induces a phase transition affecting magnetic and superconducting states.
Abstract
We studied the evolution of superconductivity (sc) and antiferromagnetism (afm) in the heavy fermion compound CePt_3Si with hydrostatic pressure. We present a pressure-temperature phase diagram established by electrical transport measurements. Pressure shifts the superconducting transition temperature, T_c, to lower temperatures. Antiferromagnetism is suppressed at a critical pressure P_c=0.5 GPa.
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