Synthesis, structure, magnetic and transport properties of CeFeSb3

Manuel Schulze; Bastian Rubrecht; Felix Seewald; Kati Finzel; Bernd Büchner; Anja U. B. Wolter; Hans-Henning Klauss; Thomas Doert; Michael Ruck

doi:10.1039/D5DT01387A

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Synthesis, structure, magnetic and transport properties of CeFeSb₃†

Manuel Schulze,

^a Bastian Rubrecht,

^b Felix Seewald,

^c Kati Finzel,

^a Bernd Büchner,

^b Anja U. B. Wolter,

^b Hans-Henning Klauss,

^c Thomas Doert

*^a and Michael Ruck

Author affiliations

* Corresponding authors

^a Faculty of Chemistry and Food Chemistry, TUD Dresden University of Technology, 01062 Dresden, Germany
E-mail: thomas.doert@tu-dresden.de

^b Leibniz Institute for Solid State and Materials Research (IFW) Dresden, 01069 Dresden, Germany

^c Institute of Solid State and Materials Physics, TUD Dresden University of Technology, 01062 Dresden, Germany

Abstract

Crystals of CeFeSb₃ were synthesised using a Bi-flux. The compound crystallises in the CePdSb₃ structure type and contains alternating slabs of Fe-centered Sb octahedra pairs and Sb square layers separated by layers of Ce atoms. Short Fe–Fe distances of 2.682 Å in the octahedra pairs suggest a covalent bond, which was confirmed by quantum chemical calculations. Magnetisation measurements indicate a complex antiferromagnetic ordering at T_N = 4.7 K, attributed to localised Ce 4f moments, likely mediated by RKKY interactions. Mößbauer spectroscopy confirms the non-magnetic behaviour of the Fe atoms. Electrical transport data corroborate CeFeSb₃ as a metal with Kondo-like interactions competing with the magnetic ordering.

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Article information

DOI: https://doi.org/10.1039/D5DT01387A
Article type: Paper
Submitted: 12 Jun 2025
Accepted: 09 Jul 2025
First published: 11 Jul 2025
This article is Open Access

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Dalton Trans., 2025,54, 11833-11844

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Synthesis, structure, magnetic and transport properties of CeFeSb₃

M. Schulze, B. Rubrecht, F. Seewald, K. Finzel, B. Büchner, A. U. B. Wolter, H. Klauss, T. Doert and M. Ruck, Dalton Trans., 2025, 54, 11833 DOI: 10.1039/D5DT01387A

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