Observatorio de I+D+i UPM

Memorias de investigación
Communications at congresses:
Elongation of metallic nanoparticles embedded in a dielectric matrix produced by irradiation with swift heavy ions
Year:2017
Research Areas
  • Molecular dynamic,
  • Nanomaterials,
  • Synthesis,
  • Interaction mechanisms,
  • Optical properties,
  • Engineering
Information
Abstract
The aligned rod formation from spherical metallic nanoparticles embedded in a dielectric matrix produced by swift heavy ion irradiation has been known for many years and it is interesting for many industrial applications. Although diverse experimental and theoretical techniques have already been employed in order to explain this process, it is still not well-understood. One of the reasons that complicate this task is the lack of information concerning the intermediate stages of the deformation mechanism. In this work we have studied the elongation of silver nanoparticles embedded in a silica matrix irradiated with 40 MeV Br ions by means of in situ optical measurements, TEM and molecular dynamics simulations. The agreement between these techniques is excellent. We have analyzed the nanoparticle deformation after several impacts with different ion energies, and studied the influence of Ostwald ripening, internal stress and heat diffusion.
International
No
Congress
Industrial Research Meeting (IRM17)
960
Place
Madrid (España)
Reviewers
Si
ISBN/ISSN
978-84-16397-58-7
Start Date
04/04/2017
End Date
05/04/2017
From page
94
To page
94
Proceedings
Participants
  • Autor: Alejandro Prada Valverde (UPM)
  • Autor: Ovidio Yordanis Peña Rodriguez (UPM)
  • Autor: José Olivares (Centro de Micro-Análisis de Materiales (CMAM-UAM) y Instituto de Óptica (CSIC))
  • Autor: Alicia Oliver (Instituto de Física (UNAM))
  • Autor: Luis Rodríguez Fernández (Instituto de Física (UNAM))
  • Autor: Eduardo Bringa (CONICET y Falcultad de Ciencias Exactas y Naturales (UNCuyo))
  • Autor: Jose Manuel Perlado Martin (UPM)
  • Autor: Antonio Juan Rivera de Mena (UPM)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Fusión Nuclear Inercial y Tecnología de fusión
  • Centro o Instituto I+D+i: Instituto de Fusión Nuclear
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