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Abstract
Single crystals of a new ternary aluminide ErV2Al20 were grown using a self-flux method. The crystal structure was determined by powder X-ray diffraction measurements and Rietveld refinement, and physical properties were studied by means of electrical resistivity, magnetic susceptibility and specific heat measurements. These measurements reveal that ErV2Al20 is a Curie-Weiss paramagnet down to 1.95 K with an effective magnetic moment μeff =9.27(1) μB and Curie-Weiss temperature ΘCW =−0.55(4) K. The heat capacity measurements show a broad anomaly at low temperatures that is attributed to the presence of a low-energy Einstein mode with characteristic temperature ΘE =44 K, approximately twice as high as in the isostructural ‘Einstein solid’ VAl10.1.
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jssc.2016.09.029
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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JOURNAL OF SOLID STATE CHEMISTRY
no. 245,
pages 10 - 16,
ISSN: 0022-4596 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Winiarski M., Klimczuk T.: Crystal structure and low-energy Einstein mode in ErV2Al20 intermetallic cage compound// JOURNAL OF SOLID STATE CHEMISTRY. -Vol. 245, (2017), s.10-16
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jssc.2016.09.029
- Verified by:
- Gdańsk University of Technology
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