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From quaternary to senary high entropy antimonide nanoparticles by a facile and scalable thermal treatment method

Soltani, Nayereh ; Rahman, Jamil Ur ; Carvalho, Patricia Almeida ; Bazioti, Calliope ; Finstad, Terje

Materials research bulletin, 2022-09, Vol.153, p.111873, Article 111873 [Periódico revisado por pares]

Elsevier Ltd

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  • Título:
    From quaternary to senary high entropy antimonide nanoparticles by a facile and scalable thermal treatment method
  • Autor: Soltani, Nayereh ; Rahman, Jamil Ur ; Carvalho, Patricia Almeida ; Bazioti, Calliope ; Finstad, Terje
  • Assuntos: Crystal structure ; Electron microscopy ; Intermetallic compounds ; Nanostructures ; X-ray diffraction
  • É parte de: Materials research bulletin, 2022-09, Vol.153, p.111873, Article 111873
  • Notas: NFR/197405
  • Descrição: •Preparing a new class of multicomponent/high entropy antimonide nanoparticles.•Substituting the lattice sites of intermetallic nanoparticles by a variety of metals.•Obtaining uniform elemental distributions (from quaternary to senary) in a single NP.•A facile, reproducible, and scalable method to prepare new nanoscale compounds. Transition metal antimonides form a class of intermetallic compounds, which has drawn considerable attention due to their potential applications in various fields. However, the formation of nanostructures containing multiple transition metal elements has been a challenge. Here, a new class of multicomponent antimonide nanoparticles with chemical composition ranging from quaternary to senary were synthesized via a simple, reproducible, and scalable thermal treatment method. This method allows uniform elemental distributions in a single nanoparticle, demonstrating the ability to obtain medium- and high-entropy antimonide nanostructures. The mechanism of formation was proposed and the characteristics of obtained nanoparticles were investigated by X-ray diffraction, field emission scanning electron microscopy, and high-resolution transmission electron microscopy. Under the achieved optimal synthesis conditions, the formation of a single-phase with a hexagonal structure (P63/mmc) was observed for the quaternary and quinary samples, whereas in the case of the senary samples, a trace of minor impurity can be observed. [Display omitted]
  • Editor: Elsevier Ltd
  • Idioma: Inglês;Norueguês
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