Single crystal growth and structural characterization of FeTe1-xSx
Yoshikazu Mizuguchi, Keita Deguchi, Toshinori Ozaki, Masanori Nagao,, Shunsuke Tsuda, Takahide Yamaguchi, Yoshihiko Takano
TL;DR
This study synthesized FeTe1-xSx single crystals, analyzed their structure and properties, and established a phase diagram, revealing limited S solubility and suppression of antiferromagnetism without inducing superconductivity.
Contribution
It provides new insights into the solubility limit and phase diagram of FeTe1-xSx, highlighting the effects of S substitution on magnetic properties.
Findings
S solubility limit around 12%
Suppression of antiferromagnetic transition with S substitution
No bulk superconductivity observed
Abstract
We have synthesized single crystals of FeTe1-xSx and investigated the structural and physical properties. The actual S concentration was found to be significantly smaller than the starting nominal value. The solubility limit of S for the Te site for the crystals grown using a self-flux method was estimated to be around 12 %. Although a suppression of antiferromagnetic transition was observed by S substitution, bulk superconductivity was not observed. A phase diagram of as-grown FeTe1-xSx single crystal was established on the basis of the structural and physical properties.
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