Pressure-induced volumetric negative thermal expansion in CoZr2 superconductor

We investigate the thermal expansion and superconducting properties of a CuAl2-type (tetragonal) superconductor CoZr2 under high pressures. We perform high-pressure synchrotron X-ray diffraction in a pressure range of 2.9 GPa < P < 10.4 GPa and discover that CoZr2 exhibits volumetric negative...

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Veröffentlicht in:	arXiv.org 2023-10
Hauptverfasser:	Watanabe, Yuto, Arima, Hiroto, Kawaguchi-Imada, Saori, Kadobayashi, Hirokazu, Oka, Kenta, Usui, Hidetomo, Matsumoto, Ryo, Takano, Yoshihiko, Kawahata, Takeshi, Kawashima, Chizuru, Takahashi, Hiroki, Yamashita, Aichi, Mizuguchi, Yoshikazu
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical composition Crystal structure High pressure Physics - Materials Science Physics - Superconductivity Pressure dependence Superconductivity Synchrotron radiation Synchrotrons Temperature dependence Thermal expansion Transition temperature
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