Magnetic and electronic properties unveil polaron formation in Eu 5 In 2 Sb 6

M. Victoria Ale Crivillero; Sahana Rößler; S. Granovsky; M. Doerr; M. S. Cook; Priscila F.S. Rosa; J. Müller; S. Wirth

doi:10.1038/s41598-023-28711-z

Magnetic and electronic properties unveil polaron formation in Eu ₅ In ₂ Sb ₆

M. Victoria Ale Crivillero
, Sahana Rößler
, S. Granovsky
, M. Doerr
, M. S. Cook
, Priscila F.S. Rosa
, J. Müller
, S. Wirth

Correlated Electron Materials

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

8 Scopus citations

Abstract

The intermetallic compound Eu₅In₂Sb₆, an antiferromagnetic material with nonsymmorphic crystalline structure, is investigated by magnetic, electronic transport and specific heat measurements. Being a Zintl phase, insulating behavior is expected. Our thermodynamic and magnetotransport measurements along different crystallographic directions strongly indicate polaron formation well above the magnetic ordering temperatures. Pronounced anisotropies of the magnetic and transport properties even above the magnetic ordering temperature are observed despite the Eu^{2 +} configuration which testify to complex and competing magnetic interactions between these ions and give rise to intricate phase diagrams discussed in detail. Our results provide a comprehensive framework for further detailed study of this multifaceted compound with possible nontrivial topology.

Original language	English
Article number	1597
Journal	Scientific Reports
Volume	13
Issue number	1
DOIs	https://doi.org/10.1038/s41598-023-28711-z
State	Published - Dec 2023

Funding

The authors thank U. K. Rößler for insightful discussions, Tim Thyzel for help with the analysis of the specific heat data, Ralf Koban for technical assistance and Horst Borrmann for help with the data deposition. SR acknowledges support by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) through SFB 1143. Work at the Max-Planck-Institute for Chemical Physics of Solids in Dresden and at Goethe University Frankfurt was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation), Project No. 449866704. Work at Los Alamos was performed under the auspices of the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering. MSC acknowledges support from the Laboratory Directed Research and Development program. The authors thank U. K. Rößler for insightful discussions, Tim Thyzel for help with the analysis of the specific heat data, Ralf Koban for technical assistance and Horst Borrmann for help with the data deposition. SR acknowledges support by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) through SFB 1143. Work at the Max-Planck-Institute for Chemical Physics of Solids in Dresden and at Goethe University Frankfurt was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation), Project No. 449866704. Work at Los Alamos was performed under the auspices of the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering. MSC acknowledges support from the Laboratory Directed Research and Development program.

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abstract = "The intermetallic compound Eu5In2Sb6, an antiferromagnetic material with nonsymmorphic crystalline structure, is investigated by magnetic, electronic transport and specific heat measurements. Being a Zintl phase, insulating behavior is expected. Our thermodynamic and magnetotransport measurements along different crystallographic directions strongly indicate polaron formation well above the magnetic ordering temperatures. Pronounced anisotropies of the magnetic and transport properties even above the magnetic ordering temperature are observed despite the Eu2 + configuration which testify to complex and competing magnetic interactions between these ions and give rise to intricate phase diagrams discussed in detail. Our results provide a comprehensive framework for further detailed study of this multifaceted compound with possible nontrivial topology.",

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AU - Ale Crivillero, M. Victoria

AU - Rößler, Sahana

AU - Granovsky, S.

AU - Doerr, M.

AU - Cook, M. S.

AU - Rosa, Priscila F.S.

AU - Müller, J.

AU - Wirth, S.

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AB - The intermetallic compound Eu5In2Sb6, an antiferromagnetic material with nonsymmorphic crystalline structure, is investigated by magnetic, electronic transport and specific heat measurements. Being a Zintl phase, insulating behavior is expected. Our thermodynamic and magnetotransport measurements along different crystallographic directions strongly indicate polaron formation well above the magnetic ordering temperatures. Pronounced anisotropies of the magnetic and transport properties even above the magnetic ordering temperature are observed despite the Eu2 + configuration which testify to complex and competing magnetic interactions between these ions and give rise to intricate phase diagrams discussed in detail. Our results provide a comprehensive framework for further detailed study of this multifaceted compound with possible nontrivial topology.

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JO - Scientific Reports

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ER -

Magnetic and electronic properties unveil polaron formation in Eu ₅ In ₂ Sb ₆

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