Observation of Superconductivity in Heavy-Fermion Compounds of Ce2CoIn8
Genfu hen, Shigeo Ohara, Masato Hedo, Yoshiya Uwatoko, Kazuya Saito, Michio Sorai, Isao Sakamoto
Abstract
We succeeded in growing a single crystal of Ce2CoIn8 by the flux method. The results of specific heat and electrical resistivity measurements indicate that Ce2CoIn8 is a heavy-fermion superconductor below 0.4 K with an electronic specific heat coefficient gamma as large as 500 mJ/K2mol-Ce.
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