Superconductivity and hardness of the equiatomic high-entropy alloy HfMoNbTiZr

We have found that body-centered cubic (bcc) HfMoNbTiZr is a type-II BCS high-entropy alloy (HEA) superconductor with a superconducting critical temperature of Tc = 4.1 K. By employing a Debye temperature θD of 263 K and Tc, the electron-phonon coupling constant λe-p is calculated to be 0.63. The el...

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Veröffentlicht in:	Journal of alloys and compounds 2022-11, Vol.924, p.166473, Article 166473
Hauptverfasser:	Kitagawa, Jiro, Hoshi, Kazuhisa, Kawasaki, Yuta, Koga, Rikuo, Mizuguchi, Yoshikazu, Nishizaki, Terukazu
Format:	Artikel
Sprache:	eng
Schlagworte:	Correlation Debye temperature Diamond pyramid hardness Electron-phonon coupling Electronic structure Entropy Hardness High entropy alloys Mathematical analysis Phonons Superconductivity Superconductors Uncertainty principles
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