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Abstract
The synthesis, structural, magnetic, thermal, and transport properties are reported for polycrystalline PrIr3. At room temperature PrIr3 displays the rhombohedral space group R-3m and a PuNi3-type structure. At around 70 K a phase transition to a monoclinic C2/m structure is observed and continued cooling reveals temperature independent behavior of the unit cell volume. Further, PrIr3 undergoes a paramagnetic to ferromagnetic transition with Tc = 7.5K. The temperature dependent magnetic susceptibility follows the Curie-Weiss law with a positive Curie-Weiss temperature, and an effective moment that is close to the theoretical effective moment for a free Pr+3 ion. The structural transition introduces further complexity into the behavior of PuNi3-type materials and highlights the importance of temperature-dependent structural studies to complement physical property measurements in intermetallic compounds.
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Authors (5)
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Robert J. Cava
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Michael A. McGuire
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
PHYSICAL REVIEW B
no. 110,
ISSN: 2469-9950 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Górnicka K., Winiarski M., Cava R. J., McGuire M. A., Klimczuk T.: Ferromagnetism and structural phase transition in rhombohedral PrIr3// PHYSICAL REVIEW B -Vol. 110,iss. 6 (2024), s.064431-
- DOI:
- Digital Object Identifier (open in new tab) 10.1103/physrevb.110.064431
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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