Combinations of anion and cation doping. The Nd2-xCexCuO4-yFy superconductor

U. Asaf; I. Felner; U. Yaron

doi:10.1016/0921-4534(93)90727-8

Combinations of anion and cation doping. The Nd_2-xCe_xCuO_4-yF_y superconductor

U. Asaf^*, I. Felner, U. Yaron

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

This is the first report on combined anion (F^-) and cation (Ce⁴⁺) substitution to achieve superconductive properties of the parent material Nd₂CuO₄, which is usually doped either with Ce or F. We synthesized Nd_2-xCe_xCuO_4-yF_y samples using a variety of combinations of x+y. In this "double-doped" system the effect of the anion and cation is additive. The contribution of the Ce⁴⁺ and F^- to the change carrier concentration is similar. Superconducting properties are obtained for x+y≥0.13, independently of the Ce/F ratio.

Original language	English
Pages (from-to)	45-48
Number of pages	4
Journal	Physica C: Superconductivity and its Applications
Volume	211
Issue number	1-2
DOIs	https://doi.org/10.1016/0921-4534(93)90727-8
State	Published - 10 Jun 1993

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abstract = "This is the first report on combined anion (F-) and cation (Ce4+) substitution to achieve superconductive properties of the parent material Nd2CuO4, which is usually doped either with Ce or F. We synthesized Nd2-xCexCuO4-yFy samples using a variety of combinations of x+y. In this {"}double-doped{"} system the effect of the anion and cation is additive. The contribution of the Ce4+ and F- to the change carrier concentration is similar. Superconducting properties are obtained for x+y≥0.13, independently of the Ce/F ratio.",

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AU - Asaf, U.

AU - Felner, I.

AU - Yaron, U.

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Y1 - 1993/6/10

N2 - This is the first report on combined anion (F-) and cation (Ce4+) substitution to achieve superconductive properties of the parent material Nd2CuO4, which is usually doped either with Ce or F. We synthesized Nd2-xCexCuO4-yFy samples using a variety of combinations of x+y. In this "double-doped" system the effect of the anion and cation is additive. The contribution of the Ce4+ and F- to the change carrier concentration is similar. Superconducting properties are obtained for x+y≥0.13, independently of the Ce/F ratio.

AB - This is the first report on combined anion (F-) and cation (Ce4+) substitution to achieve superconductive properties of the parent material Nd2CuO4, which is usually doped either with Ce or F. We synthesized Nd2-xCexCuO4-yFy samples using a variety of combinations of x+y. In this "double-doped" system the effect of the anion and cation is additive. The contribution of the Ce4+ and F- to the change carrier concentration is similar. Superconducting properties are obtained for x+y≥0.13, independently of the Ce/F ratio.

UR - https://www.scopus.com/pages/publications/0027608925

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IS - 1-2

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Combinations of anion and cation doping. The Nd_2-xCe_xCuO_4-yF_y superconductor

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