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Published in: Journal of Materials Science: Materials in Electronics 5/2014

01-05-2014

Synthesis of new members of Pb-based 1222 superconductors containing sulfur: (Pb0.75S0.25)Sr2(RE1.6Ce0.4)Cu2O z (RE = Sm, Gd, Dy, and Ho)

Authors: Hiroyuki Sasakura, Yoshiya Akagi, Masashi Tanaka, Shigeki Tsukui, Motoaki Adachi

Published in: Journal of Materials Science: Materials in Electronics | Issue 5/2014

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Abstract

We have discovered new members of the Pb-based 1222 layered cuprates containing sulfur of (Pb0.75S0.25)Sr2(RE1.6Ce0.4)Cu2O z with RE = Sm, Gd, Dy, and Ho. All the samples are of almost-single 1222 phase. From the ρT and χT measurements, they are found to be superconductors after annealing under 125 atm O2 atmosphere at 400 °C. Among them, the sample with RE = Gd is found to show superconductivity at the highest temperature of 30 K.

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Metadata
Title
Synthesis of new members of Pb-based 1222 superconductors containing sulfur: (Pb0.75S0.25)Sr2(RE1.6Ce0.4)Cu2O z (RE = Sm, Gd, Dy, and Ho)
Authors
Hiroyuki Sasakura
Yoshiya Akagi
Masashi Tanaka
Shigeki Tsukui
Motoaki Adachi
Publication date
01-05-2014
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 5/2014
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-014-1857-7

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