journal article·2018-02-21Open access

Magnetic Phase Transition in Spark-Produced Ternary LaFeSi Nanoalloys

Jicheng Feng, Ruben Geutjens, Nguyen V. Thang, Junjie Li, Xiaoai Guo, Albert Kéri, Shibabrata Basak, Gábor Galbács, George Biskos, Hermann Nirschl, Henny W. Zandbergen, Ekkes Brück, Andreas Schmidt-Ott

Abstract

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.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Inorganic Chemistry and Materials · Heusler alloys: electronic and magnetic properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Faculty of Applied Sciences, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands

Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2300 RA Leiden, The Netherlands

Fundamental Aspects of Materials and Energy, Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB Delft, The Netherlands

International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga, 4715-330 Braga, Portugal

Institute for Mechanical Process Engineering and Mechanics, Karlsruhe Institute of Technology, Strasse am Forum 8, 76131 Karlsruhe, Germany

Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm square 7, H-6720 Szeged, Hungary

Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands

Energy Environment and Water Research Center, The Cyprus Institute, Nicosia 2121, Cyprus

Faculty of Civil Engineering and Geosciences, Delft University of Technology, 2628 CN Delft, The Netherlands

Funding

BASF · FP7 Nanosciences, Nanotechnologies, Materials and new Production Technologies · Nederlandse Organisatie voor Wetenschappelijk Onderzoek

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