MieLab: A Software Tool to Perform Calculations on the Scattering of Electromagnetic Waves by Multilayered Spheres

Peña‐Rodríguez, Ovidio; Pérez, Pedro Pablo González; Pal, U.

doi:10.1155/2011/583743

Cited by 81 publications

(39 citation statements)

References 33 publications

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“…For immiscible materials, the extinction spectra are often much more difficult to interpret. Even though silver has a clear resonance peak and the spectrum of core–shell nanoparticles can be calculated using, for example, Mie theory or the discrete dipole approximation, the multitude of particle shapes and compositions in thin films remains a strongly limiting factor if one wants to draw conclusions on the internal cluster structures. For example, in the experiments in Ref.…”

Section: Introductionmentioning

confidence: 99%

Molecular dynamics simulation of Ag–Cu cluster growth on a thin polymer film

Abraham

Bönitz

2018

Contributions to Plasma Physics

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We present molecular dynamics (MD) simulation results for the growth of silver–copper nanoparticles on a polymeric surface during sputter deposition. The simulation procedure extends a previous implementation for gold nanoparticles to bimetallic nanoparticles. Making use of an accelerated version of MD, the timescales of the simulations become comparable to those of an actual deposition process, which may take several minutes in experiments. While silver and copper are known to be immiscible in the bulk, we trace the concentration profiles of Ag and Cu atoms in the clusters for film thicknesses up to 1.8 nm and are thus able to investigate the early stages of phase separation on the nanoscale.

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Section: Introductionmentioning

confidence: 99%

Molecular dynamics simulation of Ag–Cu cluster growth on a thin polymer film

Abraham

Bönitz

2018

Contributions to Plasma Physics

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“…Numerical calculations of the Mie series are performed at discrete points in the wavelength range from 200 to 1200 nm. Calculations of the optical properties such as absorption and scattering efficiency of considered core-shell nanoparticles were performed by using a computer code employing Mie scattering for multi-layered spherical geometry developed by Ovidio Pena-Rodriguez team [25]. Mielab offers tools to perform several tasks related to the calculation of optical properties of nanoparticles and particles ensembles.…”

Section: Calculation Methodsmentioning

confidence: 99%

Size-dependent Optical Response of Magneto-plasmonic Core-shell Nanoparticles

2017

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A B S T R A C TFunctional properties tunability prospect of multi-layered and multi-metallic nanoparticles with respect to their emerging applications has always been the area of attraction. Magnetoplasmonic nanoparticles (MPNPs) present the possibility to exhibit their tuneable magnetic and optical properties with broad applications in magnetic resonance imaging (MRI), cancer therapy, photovoltaic solar cells, biological microscopy, optical imaging, and biosensing. Present studies found that the optical properties (absorption and scattering efficiencies) of MPNPs using Fe, Co and Ni as magnetic materials coated with single noble metal (Au or Ag) or double (both Au & Ag) coating layer, can be effectively tuned with the controlled size of core and shell layers. It is found that absorption and scattering LSPR peaks occur in Ultraviolet (UV) and visible region of EM for single core-shell MNP@Ag nanoparticles respectively. The absorption LSPR are found in the visible region, and scattering LSPR in NIR region and also get blue shifted for single core-shell of MNP@Au nanospheres. In case of double core-shell layers of MNP@Ag@Au nanoparticles, the absorption and scattering LSPR peaks show spectra in visible and NIR region of EM spectrum and the absorption LSPR peak shifts from visible to UV region and scattering LSPR are found in NIR region with broadening peaks of EM spectrum. It is concluded that the LSPR peak depends upon the thickness of the shell, size of core and material. The shifting of optical peaks towards the longer wavelengths depends on gold shell thickness whereas optical efficiencies depend on silver (as core or shell) thickness.

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“…Spectra were taken with SD2000 Ocean Optics spectrometers in the UV-vis-NIR region. The nano particles' radii were measured from the surface plasmon resonance in the extinction spectra and fitted by the MieLab code [9,10].…”

Section: Methodsmentioning

confidence: 99%

Metallic Nano Particles Embedded in Sapphire

et al. 2015

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Sapphire is best known for its hardness that makes it ideal for many mechanical and optical applications, but its resistance to radiation damage and its optical properties, combined with metallic nano-particles, make it promising for future opto-electronic and plasmonic devices. In this paper, we present an overview of our work on the fabrication of metallic nano-particles embedded in synthetic sapphire by means of ion implantation, thermal annealing and high energy ion irradiation. We show that we can have control over the amount and size of the nano particles formed inside the matrix by carefully choosing the parameters during the preparation process. Furthermore, we show that anisotropic nano particles can be obtained by an adequate high energy ion irradiation of the originally spherical nano particles. We also have studied the linear and non-linear optical properties of these nano-composites and have confirmed that they are large enough for future applications.

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MieLab: A Software Tool to Perform Calculations on the Scattering of Electromagnetic Waves by Multilayered Spheres

Cited by 81 publications

References 33 publications

Molecular dynamics simulation of Ag–Cu cluster growth on a thin polymer film

Molecular dynamics simulation of Ag–Cu cluster growth on a thin polymer film

Size-dependent Optical Response of Magneto-plasmonic Core-shell Nanoparticles

Metallic Nano Particles Embedded in Sapphire

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