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45
Sep 22, 2013
09/13
by
D. Kaczorowski; A. P. Pikul; D. Gnida; V. H. Tran
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Single crystals of Ce2PdIn8 were studied by means of magnetic susceptibility, electrical resistivity and specific heat measurements. The compound was found to be a heavy fermion clean-limit superconductor with Tc = 0.68 K. Most remarkably, the superconductivity in this system emerges out of the antiferromagnetic state that sets in at TN = 10 K, and both cooperative phenomena coexist in a bulk at ambient pressure conditions.
Source: http://arxiv.org/abs/0906.1881v2
50
50
Sep 21, 2013
09/13
by
Y. Tokiwa; P. Gegenwart; D. Gnida; D. Kaczorowski
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We report low-temperature specific heat measurements in magnetic fields up to 12 T applied parallel and perpendicular to the tetragonal c-axis of the heavy fermion superconductor Ce$_2$PdIn$_8$. In contrast to its quasi-two-dimensional (2D) relative CeCoIn$_5$, the system displays an almost isotropic upper critical field. While there is no indication for a FFLO phase in Ce$_2$PdIn$_8$, the data suggest a smeared weak first-order superconducting transition close to $H_{c2}\approx 2$ T. The...
Source: http://arxiv.org/abs/1108.2362v2
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41
Sep 22, 2013
09/13
by
K. Hashimoto; Y. Mizukami; R. Katsumata; H. Shishido; M. Yamashita; H. Ikeda; Y. Matsuda; J. A. Schlueter; J. D. Fletcher; A. Carrington; D. Gnida; D. Kaczorowski; T. Shibauchi
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When a second-order magnetic phase transition is tuned to zero temperature by a non-thermal parameter, quantum fluctuations are critically enhanced, often leading to the emergence of unconventional superconductivity. In these `quantum critical' superconductors it has been widely reported that the normal-state properties above the superconducting transition temperature $T_c$ often exhibit anomalous non-Fermi liquid behaviors and enhanced electron correlations. However, the effect of these strong...
Source: http://arxiv.org/abs/1302.2945v1
