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Strain enhancement of superconductivity in CePd2Si2 under pressure

Published inJournal of physics. Condensed matter, vol. 14, no. 28, p. L529-L535
Publication date2002
Abstract

We report resistivity and calorimetric measurements on two single crystals of CePd2Si2 pressurized up to 7.4 GPa. A weak uniaxial stress induced in the pressure cell demonstrates the sensitivity of the physics to anisotropy. Stress applied along the c-axis extends the whole phase diagram to higher pressures and enhances the superconducting phase emerging around the magnetic instability, with a 40% increase of the maximum superconducting temperature, Tc, and a doubled pressure range. Calorimetric measurements demonstrate the bulk nature of the superconductivity.

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Citation (ISO format)
DEMUER, A., HOLMES, Alexander, JACCARD, Didier. Strain enhancement of superconductivity in CePd<sub>2</sub>Si<sub>2</sub> under pressure. In: Journal of physics. Condensed matter, 2002, vol. 14, n° 28, p. L529–L535. doi: 10.1088/0953-8984/14/28/102
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ISSN of the journal0953-8984
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