Anisotropic Dependence of Superconductivity on Uniaxial Pressure in CeIrIn5

Anisotropic Dependence of Superconductivity on Uniaxial Pressure in CeIrIn5

We measure the effect of uniaxial pressure on the superconducting transition temperature Tc in CeIrIn5. We find a linear change in Tc with both a-axis and c-axis pressure, with slopes of 56 mK/kbar and -66 mK/kbar, respectively. By comparing results from doping studies and different types of pressur...

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Veröffentlicht in:arXiv.org 2009-08
Hauptverfasser: Dix, O M, Swartz, A G, Zieve, R J, Cooley, J, Sayles, T R, Maple, M B
Format: Artikel
Sprache:eng
Schlagworte:
Dependence
Physics - Superconductivity
Pressure effects
Superconductivity
Transition temperature
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Zusammenfassung:We measure the effect of uniaxial pressure on the superconducting transition temperature Tc in CeIrIn5. We find a linear change in Tc with both a-axis and c-axis pressure, with slopes of 56 mK/kbar and -66 mK/kbar, respectively. By comparing results from doping studies and different types of pressure measurements, we separate the influences of hybridization and dimensionality on Tc. We find the true geometric influence, for constant hybridization, is dTc/d(c/a)=44 K.
ISSN:2331-8422
DOI:10.48550/arxiv.0908.4366