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  New ternary aluminides RERh4Al15 (RE = La, Ce, Pr, Sm, Gd)

Nesterenko, S., Avzuragova, V., Tursina, A., & Strydom, A. M. (2019). New ternary aluminides RERh4Al15 (RE = La, Ce, Pr, Sm, Gd). Journal of Alloys and Compounds, 792, 1061-1067. doi:10.1016/j.jallcom.2019.04.026.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-A864-F Version Permalink: http://hdl.handle.net/21.11116/0000-0003-A866-D
Genre: Journal Article

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 Creators:
Nesterenko, S.1, Author
Avzuragova, V.1, Author
Tursina, A.1, Author
Strydom, A. M.2, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              

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 Abstract: The aluminum-rich intermetallic rare earth compounds RERh4Al15 (RE = La, Ce Pr, Sm, Gd) were synthesized by arc melting of the elements under an argon atmosphere. The samples were characterized by powder X-ray diffraction which revealed a straight-forward agreement of the synthesized materials with tetragonal space group P4(2)/nmc, NdRh4Al15.37 structure type. The structures of CeRh4Al15 and PrRh4Al15 were refined from single-crystal X-ray diffraction data. CeRh4Al15 is a new correlated electron compound with Kondo interaction. There is no magnetic ordering above 0.05 K despite the localized Ce3+ magnetic moment behaviour near room temperature. The electronic specific heat, magnetic susceptibility and electrical resistivity indicate that the compound may be accidently poised near a magnetic quantum critical point. (C) 2019 Elsevier B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2019-04-092019-04-09
 Publication Status: Published in print
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Title: Journal of Alloys and Compounds
  Abbreviation : J. Alloy. Comp.
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Elsevier B.V.
Pages: - Volume / Issue: 792 Sequence Number: - Start / End Page: 1061 - 1067 Identifier: ISSN: 0925-8388
CoNE: https://pure.mpg.de/cone/journals/resource/954925567746