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Solid solubility and superconductivity of FeyTe1−xXx (X = Se, S)

Published online by Cambridge University Press:  09 March 2015

Z. N. Guo ,
B. L. Han ,
P. Li ,
H. H. Zhang  and
W. X. Yuan
Z. N. Guo
Affiliation:
Department of Chemistry, School of Chemical and Biological engineering, University of Science and Technology Beijing, Beijing 100083, China
B. L. Han
Affiliation:
Department of Chemistry, School of Chemical and Biological engineering, University of Science and Technology Beijing, Beijing 100083, China
P. Li
Affiliation:
Department of Chemistry, School of Chemical and Biological engineering, University of Science and Technology Beijing, Beijing 100083, China
H. H. Zhang
Affiliation:
Department of Chemistry, School of Chemical and Biological engineering, University of Science and Technology Beijing, Beijing 100083, China
W. X. Yuan*
Affiliation:
Department of Chemistry, School of Chemical and Biological engineering, University of Science and Technology Beijing, Beijing 100083, China
*
a)Author to whom correspondence should be addressed. Electronic mail: wxyuanwz@163.com
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Abstract

In this work, we present a systematic study on the solid solution, lattice parameters and superconductivity on the FeyTe1−xXx (X = Se, S) system. It has been found that the limit of the Te-site doping with Se and S is around 0.5 and 0.15, respectively. The solid solution with the Fe content changing is also measured in this work, and the single-phase region for preparing pure sample is presented. Based on the magnetic susceptibility measurements, we presented a three-dimensional graph for showing the variation of superconducting critical temperature as a function of both the chalcogen and Fe content in FeyTe1−xXx.

Type
Technical Articles
Information
Powder Diffraction , Volume 30 , Issue 2 , June 2015 , pp. 117 - 121
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Copyright
Copyright © International Centre for Diffraction Data 2015 

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