Pressure-Induced Superconductivity in CePtSi<sub>2</sub>

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  • CePtSi<sub>2</sub>の圧力誘起超伝導
  • CePtSi₂の圧力誘起超伝導
  • CePtSi ₂ ノ アツリョク ユウキ チョウデンドウ

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Abstract

<p>In this article, I introduce the pressure-induced superconductivity in CePtSi2 with its discovering process. At ambient pressure, the orthorhombic CePtSi2 shows an antiferromagnetic order below TN=1.8 K. TN disappears above 1.2 GPa, and a superconducting phase appears with Tc～0.1 K. Significant decrease of the A coefficient in resistivity and discrepancy between quantum critical point (QCP) and the center of the superconducting phase suggest the valence mediated superconductivity as that observed in CeCu2 (Si,Ge)2.</p>

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