http://www.cnr.it/ontology/cnr/individuo/prodotto/ID207799
Crystal structure of Tb5Ni2In4 and Y5Ni2In4, and magnetic properties of Dy5Ni2In4 (Articolo in rivista)
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- Crystal structure of Tb5Ni2In4 and Y5Ni2In4, and magnetic properties of Dy5Ni2In4 (Articolo in rivista) (literal)
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- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.3673432 (literal)
- Alternative label
A. Provino1,2, Y. Mudryk2, D. Paudyal2, V. Smetana2, P. Manfrinetti1,2, V. K. Pecharsky 2, K. A. Gschneidner, Jr 2, and J. D. Corbett 3 (2012)
Crystal structure of Tb5Ni2In4 and Y5Ni2In4, and magnetic properties of Dy5Ni2In4
in Journal of applied physics
(literal)
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- A. Provino1,2, Y. Mudryk2, D. Paudyal2, V. Smetana2, P. Manfrinetti1,2, V. K. Pecharsky 2, K. A. Gschneidner, Jr 2, and J. D. Corbett 3 (literal)
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- 1Department of Chemistry, University of Genoa, Via Dodecaneso 31, 16146 Genoa, Italy and CNR-SPIN, Corso Perrone 24, 16152 Genoa, Italy
2The Ames Laboratory, U.S. Department of Energy and Department of Material Science and Engineering, Iowa State University, Ames, Iowa 50011, USA
3Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA (literal)
- Titolo
- Crystal structure of Tb5Ni2In4 and Y5Ni2In4, and magnetic properties of Dy5Ni2In4 (literal)
- Abstract
- The crystal structure of the R5Ni2In4 intermetallic compounds was earlier reported for R = Ho, Er, Tm, and Lu (Lu5Ni2In4-type, oP22, Pbam); more recently the isostructural phases Dy5Ni2In4 and Sc5Ni2In4 have also been identified. Three inequivalent crystallographic sites are occupied by the R atoms in these compounds. We have synthesized and characterized Dy5Ni2In4 and the two new isotypic compounds Tb5Ni2In4 and Y5Ni2In4. So far, none of the physical properties have been reported on any of these phases; in this article we report on the physical properties of the Dy5Ni2In4 and the crystal structure of Tb5Ni2In4 and Y5Ni2In4 compounds. Measurements of the magnetic properties performed on Dy5Ni2In4 show a ferromagnetic-like ordering with a TC ?105 K, followed by multiple magnetic orderings at lower temperatures. The fit of the inverse susceptibility in the paramagnetic state follows the Curie-Weiss law, where ?eff. = 10.3 ?B/Dy-atom (close to theoretical value of 10.64 ?B for the free ion Dy3+) and a positive paramagnetic Curie temperature ?p = 58 K. Ni atoms are most likely to be nonmagnetic. The heat capacity also shows three peaks: a large one at 103 K and two weaker at 12 and 8 K, respectively; the in-field heat capacity data corroborate these results, suggesting ferromagnetic and antiferromagnetic orderings at the temperature of 103 and 12 K, respectively. Low temperature x-ray diffraction has shown that the compound does not undergo any structural change down to 5 K (literal)
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