Superconductivity and ferromagnetism in Pd doped Y9Co7

Judyta Strychalska-Nowak; Joe D. Thompson; Robert J. Cava; Tomasz Klimczuk

doi:10.1016/j.intermet.2016.01.002

Superconductivity and ferromagnetism in Pd doped Y9Co7

Abstract

The ferromagnetic superconductor Y9Co7 was chemically doped to yield the solid solution Y9Co7-xPdx for 0 < x < 0.4. The lattice parameter a does not depend on x, whereas c increases with increasing Pd content up to x ¼ 0.2, the palladium solubility limit. The transition from ferromagnetism (TC ¼ 4.25 K) to superconductivity (Tsc ¼ 2.4 K) was observed only for the parent Y9Co7 compound. For the lowest tested Pd doping level (x ¼ 0.05), ferromagnetism is enhanced strongly (TC ¼ 9.35 K) and superconductivity is not seen above 1.8 K. The Curie temperature rapidly increases from 4.25 K to about 10 K for a Pd concentration of x ¼ 0.1 and remains almost unchanged for Y9Co6.8Pd0.2.

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Authors (4)

Judyta Strychalska-Nowak
Joe D. Thompson
- Los Alamos National Lab -
Robert J. Cava
- Princeton University -
Tomasz Klimczuk prof. dr hab. inż.

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Category:: Articles
Type:: artykuł w czasopiśmie wyróżnionym w JCR
Published in:: INTERMETALLICS no. 71, pages 73 - 75,
ISSN: 0966-9795
Language:: English
Publication year:: 2016
Bibliographic description:: Strychalska J., Thompson J., Cava R., Klimczuk T.: Superconductivity and ferromagnetism in Pd doped Y9Co7// INTERMETALLICS. -Vol. 71, (2016), s.73-75
DOI:: Digital Object Identifier (open in new tab) 10.1016/j.intermet.2016.01.002
Verified by:: Gdańsk University of Technology