Effect of non-magnetic rare earth substitution for Zr on mixed anion Zr(P, Se)2 superconductors II

K. Iwakiri, T. Nishio, K. Kawashima, S. Ishida, K. Oka, H. Fujihisa, Y. Gotoh, I. Hase, A. Iyo, H. Ogino, H. Eisaki, Y. Yoshida, H. Kitô

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Abstract

In ZrP1.25Se0.75, the superconducting transition temperature T c is increased from 5.8 K to 7.6 K when Sc atoms are partially substituted for Zr atoms having almost the same atomic radius as Sc atoms. Transport measurements show that holes are doped with substituting Sc atoms. The density of states in (Zr, Sc)P1.25Se0.75 is derived from band structure calculations and its implication in the doping behaviour and the increase of T c is discussed.

Original languageEnglish
Article number012003
JournalJournal of Physics: Conference Series
Volume1293
Issue number1
DOIs
Publication statusPublished - 15 Oct 2019
Event31st International Symposium on Superconductivity, ISS 2018 - Tsukuba, Ibaraki, Japan
Duration: 12 Dec 201814 Dec 2018

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