Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 10, Issue 7, Pages 6073-6078Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b15441
Keywords
Curie temperature; hydrogen uptake; magnetocaloric effect; rare earths; spark ablation
Funding
- European Union's Seventh Framework Program (EU FP7) [280765]
- NWO [IPP I28]
- BASF New Business
- EU [EFOP-3.6.2-16-2017-00005]
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Using the magnetocaloric effect in nanoparticles holds great potential for efficient refrigeration and energy conversion. The most promising candidate materials for tailoring the Curie temperature to room temperature are rare-earth-based magnetic nanoalloys. However, only few high-nuclearity lanthanide/transition-metal nanoalloys have been produced so far. Here we report, for the first time, the observation of magnetic response in spark produced LaFeSi nanoalloys. The results suggest that these nanoalloys can be used to exploit the magnetocaloric effect near room temperature; such a finding can lead to the creation of unique multicomponent materials for energy conversion, thus helping toward the realization of a sustainable energy economy.
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