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  The Synthesis of a Quasi-One-Dimensional Iron-Based Telluride with Antiferromagnetic Chains and a Spin Glass State

Zhang, J., Duan, L., Wang, Z., Wang, X., Zhao, J., Jin, M., et al. (2020). The Synthesis of a Quasi-One-Dimensional Iron-Based Telluride with Antiferromagnetic Chains and a Spin Glass State. Inorganic Chemistry, 5377-5385. doi:10.1021/acs.inorgchem.9b03592.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-4E68-F Version Permalink: http://hdl.handle.net/21.11116/0000-0006-4E69-E
Genre: Journal Article

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 Creators:
Zhang, Jun1, Author
Duan, Lei1, Author
Wang, Zhe1, Author
Wang, Xiancheng1, Author
Zhao, Jianfa1, Author
Jin, Meiling1, Author
Li, Wenmin1, Author
Zhang, Changling1, Author
Cao, Lipeng1, Author
Deng, Zheng1, Author
Hu, Zhiwei2, Author              
Agrestini, Stefano3, Author              
Valvidares, Manuel1, Author
Lin, Hong-Ji1, Author
Chen, Chien-Te1, Author
Zhu, Jinlong1, Author
Jin, Changqing1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863461              
3Stefano Agrestini, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863459              

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 Abstract: The report on the superconductivity of the two-legged spin ladders BaFe2S3 and BaFe2Se3 has established 123-type iron chalcogenides as a novel subgroup in the iron-based superconductor family and has stimulated the continuous exploration of other iron-based materials with new structures and potentially novel properties. In this paper, we report the systematic study of a new quasi-one-dimensional (1D) iron-based compound, Ba9Fe3Te15, including its synthesis and magnetic properties. The high-pressure synthesized Ba9Fe3Te15 crystallized in a hexagonal structure that mainly consisted of face-sharing FeTe6 octahedral chains running along the c axis, with a lattice constant of a = 10.23668 Å this led to weak interchain coupling and an enhanced one-dimensionality. The systematic static and dynamic magnetic properties were comprehensively studied experimentally. The dc magnetic susceptibility showed typical 1D antiferromagnetic characteristics, with a Tmax at 190 K followed by a spin glass (SG) state with freezing at Tf ≈ 6.0 K, which were also unambiguously proved by ac susceptibility measurements. Additionally, X-ray magnetic circular dichroism (XMCD) experiments revealed an unexpected orbital moment for Fe2+, i.e., 0.84 μB per Fe in Ba9Fe3Te15. The transport property is electrically insulating, with a thermal activation gap of 0.32 eV. These features mark Ba9Fe3Te15 as an alternative type of iron-based compound, providing a diverse candidate for high-pressure studies in order to pursue some emerging physics. Copyright © 2020 American Chemical Society.

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Language(s): eng - English
 Dates: 2020-04-032020-04-03
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: DOI: 10.1021/acs.inorgchem.9b03592
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Title: Inorganic Chemistry
  Abbreviation : Inorg. Chem.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 5377 - 5385 Identifier: ISSN: 0020-1669
CoNE: https://pure.mpg.de/cone/journals/resource/0020-1669