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Abstract
We report a successful synthesis of a high-purity intermetallic germanide Y2Pd1.25Ge2.75, crystallizing in the disordered variant of the AlB2-type structure. A single-phase sample was obtained via arc-melting by deliberately tuning the composition out of the ideal 2:1:3 ratio. Specific heat, electrical resistivity and magnetization measurements show that the compound is a weakly-coupled (λ e-p = 0.58) type-II superconductor with a superconducting transition at Tc = 2.72 K. Additional magnetization measurements conducted under pressure up to 0.55 GPa show suppression of Tc, at a rate of − 0.17 K/GPa. Electronic structure calculations reveal the deep similarity between Y2Pd1.25Ge2.75 and other AlB2-type germanide superconductors, especially the ordered YGa2 phase.
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jallcom.2023.172712
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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JOURNAL OF ALLOYS AND COMPOUNDS
no. 971,
ISSN: 0925-8388 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Świątek H., Królak S., Litzbarski L., Oshchapovskyy I., Winiarski M., Klimczuk T.: Detailed studies of superconducting properties of Y2Pd1.25Ge2.75// JOURNAL OF ALLOYS AND COMPOUNDS -Vol. 971, (2024), s.172712-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jallcom.2023.172712
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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