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  Superconductivity and magnetism in R4Be33Pt16 (R= Y, La-Nd, Sm-Lu): A family of crystallographically complex noncentrosymmetric compounds

Svanidze, E., Amon, A., Nicklas, M., Prots, Y., Juckel, M., Rosner, H., et al. (2021). Superconductivity and magnetism in R4Be33Pt16 (R= Y, La-Nd, Sm-Lu): A family of crystallographically complex noncentrosymmetric compounds. Physical Review Materials, 074801, pp. 1-11. doi:10.1103/PhysRevMaterials.5.074801.

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Genre: Journal Article
Alternative Title : Physical Review Materials

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 Creators:
Svanidze, E.1, Author              
Amon, A.1, Author              
Nicklas, M.2, Author              
Prots, Yu.3, Author              
Juckel, M.1, Author              
Rosner, H.4, Author              
Burkhardt, U.5, Author              
Avdeev, M.6, Author
Grin, Yu.7, Author              
Leithe-Jasper, A.8, Author              
Affiliations:
1Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
2Michael Nicklas, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863472              
3Yuri Prots, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863424              
4Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
5Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863422              
6External Organizations, ou_persistent22              
7Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              
8Andreas Leithe-Jasper, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863406              

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Free keywords: Atoms, Beryllium alloys, Binary alloys, Electronic structure, Ground state, Lanthanum alloys, Lutetium alloys, Magnetism, Neodymium alloys, Platinum alloys, Rare earths, Samarium alloys, Samarium compounds, Complex compounds, Constituent elements, Magnetic ground state, Non-centrosymmetric, Non-centrosymmetry, Ordering temperature, Sommerfeld coefficient, Superconductivity and magnetism, Lutetium compounds
 Abstract: Crystallographically complex compounds often possess peculiar physical properties, the evolution of which can be tracked by changing one of the constituent elements at a time. We report the discovery and synthesis of isotypic R4Be33Pt16 (R = Y, La-Nd, Sm-Lu) compounds, which crystallize with the noncentrosymmetric cubic space group I4¯3d. The lattice parameters vary from a=13.6682(4)Å for R = La to a=13.4366(3)Å for R = Lu. R4Be33Pt16 phases exhibit a wide range of ground states. R = Y, La, and Lu analogs display superconductivity. Their calculated electronic structures show nonzero density of states at the Fermi level, with the value of the Sommerfeld coefficient consistent with those obtained experimentally. The rest of the R4Be33Pt16 compounds exhibit magnetic ground states with ordering temperatures ranging from Tmag=0.4 K (R = Yb) to Tmag=40 K (R = Pr). The diversity of physical properties of R4Be33Pt16 compounds can likely be attributed to the nature of the individual rare-earth elements, structural noncentrosymmetry, the large number of atoms per unit cell (212), as well as the complex multicenter interactions within the Be-Pt framework. © 2021 authors. Published by the American Physical Society.

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Language(s): eng - English
 Dates: 2021-07-142021-07-14
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1103/PhysRevMaterials.5.074801
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Title: Physical Review Materials
  Abbreviation : Phys. Rev. Mater.
Source Genre: Journal
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Publ. Info: College Park, MD : American Physical Society
Pages: - Volume / Issue: - Sequence Number: 074801 Start / End Page: 1 - 11 Identifier: ISSN: 2475-9953
CoNE: https://pure.mpg.de/cone/journals/resource/2475-9953