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  High-pressure synthesis of SmGe3

Hübner, J.-M., Carrillo-Cabrera, W., Cardoso-Gil, R., Koželj, P., Burkhardt, U., Etter, M., et al. (2020). High-pressure synthesis of SmGe3. Zeitschrift für Kristallographie-Crystalline Materials, 235(8-9), 333-339. doi:10.1515/zkri-2020-0058.

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 Creators:
Hübner, Julia-Maria1, Author              
Carrillo-Cabrera, Wilder1, Author              
Cardoso-Gil, Raul2, Author              
Koželj, Primož1, Author              
Burkhardt, Ulrich3, Author              
Etter, Martin4, Author
Akselrud, Lev1, Author              
Grin, Yuri5, Author              
Schwarz, Ulrich6, Author              
Affiliations:
1Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
2Raul Cardoso, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863420              
3Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863422              
4External Organizations, ou_persistent22              
5Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              
6Ulrich Schwarz, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863423              

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 Abstract: The new samarium germanide SmGe3 is obtained by high-pressure high-temperature synthesis of pre-reacted mixtures of samarium and germanium at a pressure of 9.5 GPa and temperatures between 1073 and 1273 K. SmGe3 decomposes at 470(5) K into SmGe2, alpha-Sm3Ge5 and a hitherto unknown phase. SmGe3 exhibits a superstructure of the cubic Cu3Au-type. Transmission electron microscopy measurements of crystalline particles and prepared lamellae indicate a high density of defects on the nanoscale. Selected area electron diffraction and elaborate X-ray powder diffraction measurements consistently indicate a 2a(0) x 2a(0) x 2a(0) superstructure adopting space group Fm (3) over barm with a = 8.6719(2) angstrom.

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Language(s): eng - English
 Dates: 2020-08-102020-08-10
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000574564400011
DOI: 10.1515/zkri-2020-0058
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Title: Zeitschrift für Kristallographie-Crystalline Materials
  Abbreviation : Z. Kristallogr. - Cryst. Mater.
Source Genre: Journal
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Publ. Info: Berlin/Boston : de Gruyter
Pages: - Volume / Issue: 235 (8-9) Sequence Number: - Start / End Page: 333 - 339 Identifier: ISSN: 2194-4946
CoNE: https://pure.mpg.de/cone/journals/resource/2194-4946