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Nomoev AV, Bardakhanov SP, Schreiber M, et al. Synthesis, Characterization, and Mechanism of Formation of Janus-Like Nanoparticles of Tantalum Silicide-Silicon (TaSi₂/Si). Nanomaterials (Basel). 2014;5(1):26-35doi: 10.3390/nano5010026.
Nomoev, A. V., Bardakhanov, S. P., Schreiber, M., Bazarova, D. Z., Baldanov, B. B., & Romanov, N. A. (2014). Synthesis, Characterization, and Mechanism of Formation of Janus-Like Nanoparticles of Tantalum Silicide-Silicon (TaSi₂/Si). Nanomaterials (Basel, Switzerland), 5(1), 26-35. https://doi.org/10.3390/nano5010026
Nomoev, Andrey V, et al. "Synthesis, Characterization, and Mechanism of Formation of Janus-Like Nanoparticles of Tantalum Silicide-Silicon (TaSi₂/Si)." Nanomaterials (Basel, Switzerland) vol. 5,1 (2014): 26-35. doi: https://doi.org/10.3390/nano5010026
Nomoev AV, Bardakhanov SP, Schreiber M, Bazarova DZ, Baldanov BB, Romanov NA. Synthesis, Characterization, and Mechanism of Formation of Janus-Like Nanoparticles of Tantalum Silicide-Silicon (TaSi₂/Si). Nanomaterials (Basel). 2014 Dec 25;5(1):26-35. doi: 10.3390/nano5010026. PMID: 28346996; PMCID: PMC5312862.
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Nanomaterials (Basel). 2014 Dec 25;5(1):26-35. doi: 10.3390/nano5010026.

Synthesis, Characterization, and Mechanism of Formation of Janus-Like Nanoparticles of Tantalum Silicide-Silicon (TaSi₂/Si).

Nanomaterials (Basel, Switzerland)

Andrey V Nomoev, Sergey P Bardakhanov, Makoto Schreiber, Dashima Zh Bazarova, Boris B Baldanov, Nikolai A Romanov

Affiliations

  1. Institute of Physical Materials Science, Siberian Branch of the Russian Academy of Sciences, Sakhyanovoy str., 6, Ulan-Ude 670047, Russia. [email protected].
  2. Department of Physics and Engineering, Buryat State University, Smolina str., 24a, Ulan-Ude 670000, Russia. [email protected].
  3. Department of Physics and Engineering, Buryat State University, Smolina str., 24a, Ulan-Ude 670000, Russia. [email protected].
  4. Institute of Applied and Theoretical Mechanics, Siberian Branch of the Russian Academy of Sciences, Institutskaya str., 4/1, Novosibirsk 630090, Russia. [email protected].
  5. Department of Physics, Novosibirsk State University, Pirogova str., 2, Novosibirsk 630090, Russia. [email protected].
  6. Department of Physics and Engineering, Buryat State University, Smolina str., 24a, Ulan-Ude 670000, Russia. [email protected].
  7. Department of Physics and Engineering, Buryat State University, Smolina str., 24a, Ulan-Ude 670000, Russia. [email protected].
  8. Department of Physics and Engineering, Buryat State University, Smolina str., 24a, Ulan-Ude 670000, Russia. [email protected].
  9. Department of Physics and Engineering, Buryat State University, Smolina str., 24a, Ulan-Ude 670000, Russia. [email protected].

PMID: 28346996 PMCID: PMC5312862 DOI: 10.3390/nano5010026

Abstract

Metal-semiconductor Janus-like nanoparticles with the composition tantalum silicide-silicon (TaSi₂/Si) were synthesized for the first time by means of an evaporation method utilizing a high-power electron beam. The composition of the synthesized particles were characterized using high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), selective area electron diffraction (SAED), and energy dispersive X-ray fluorescence (EDX) analysis. The system is compared to previously synthesized core-shell type particles in order to show possible differences responsible for the Janus-like structure forming instead of a core-shell architecture. It is proposed that the production of Janus-like as opposed to core-shell or monophase particles occurs due to the ability of Ta and Si to form compounds and the relative content of Ta and Si atoms in the produced vapour. Based on the results, a potential mechanism of formation for the TaSi₂/Si nanoparticles is discussed.

Keywords: Janus-like; TaSi2/Si; XRD analysis; mechanism of formation; nanoparticles

References

  1. Nano Lett. 2006 Nov;6(11):2510-4 - PubMed
  2. Langmuir. 2008 Dec 2;24(23):13312-20 - PubMed
  3. Chem Mater. 2011 Apr 12;23(7):1985-1992 - PubMed

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