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Electron beams in scanning transmission electron microscopy (STEM) exert forces and torques on study samples, with magnitudes that allow the controlled manipulation of nanoparticles (a technique called electron tweezers). Related…

Mesoscale and Nanoscale Physics · Physics 2025-01-30 José Ángel Castellanos-Reyes , Jesús Castrejón-Figueroa , Alejandro Reyes-Coronado

Swift electrons from highly focused beams produced in aberration-corrected scanning transmission electron microscopes offer a powerful route for probing and manipulating matter at the nanoscale. Although linear momentum transfer from swift…

The optical properties of rod-like two-layer nanoparticles are studied using the notions of equivalent prolate spheroid. The calculations are presented for frequency dependencies for polarizability and the absorption and scattering…

Optics · Physics 2024-07-02 Ya. V. Karandas

The kinetic approach is applied to develop the Drude-Sommerfeld model for studying of the optical and electrical transport properties of spheroidal metallic nanoparticles, when the free electron path is much greater than the particle size.…

Optics · Physics 2011-12-02 Nicolas I. Grigorchuk , Petro M. Tomchuk

Electron beams in Scanning Transmission Electron Microscopes (STEMs) can be used as a tool to induce movement on nanoparticles. Employing a classical-electrodynamics approach, it has been reported that the linear momentum transfer from a…

Materials Science · Physics 2021-12-21 J. Castrejón-Figueroa , J. Á. Castellanos-Reyes , A. Reyes-Coronado

The theory of nonlinear dipole plasma oscillations generated in a metal spheroidal nanoparticle by a laser-wave field has been developed. Approximate (to within the cubic term) analytic expressions for the nanoparticle dipole moment have…

Mesoscale and Nanoscale Physics · Physics 2011-12-07 P. M. Tomchuk , D. V. Butenko

We study the surface plasmon (SP) resonance energy of isolated spherical Ag nanoparticles dispersed on a silicon nitride substrate in the diameter range 3.5-26 nm with monochromated electron energy-loss spectroscopy. A significant blueshift…

The theory for the electric and magnetic fields energy absorption by small metallic particles subjected to the irradiation by ultrashort laser pulses of different duration in the region of surface plasmon excitation is developed. For the…

Mesoscale and Nanoscale Physics · Physics 2011-07-26 Nicolas I. Grigorchuk , Petro M. Tomchuk

We report on the observation and measurement of the transfer of transverse angular momentum to birefringent particles several wavelengths in size. A trapped birefringent particle is much larger than the nano-particles systems for which…

The effect of the electron temperature on both the light absorption and the scattering by metal nanoparticles (MNs) with excitation of the surface plasmon electron vibrations is studied in the framework of the kinetic theory. The formulae…

Mesoscale and Nanoscale Physics · Physics 2013-11-25 N. I. Grigorchuk

We study the radiative heat transfer between a spheroidal metallic nanoparticle and a planar metallic sample for near- and far-field distances. In particular, we investigate the shape dependence of the heat transfer in the near-field…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Oliver Huth , Felix Rüting , Svend-Age Biehs , Martin Holthaus

The theory of the ultrashort laser pulse scattered by metallic nanoparticles in the region of surface plasmon resonances is developed in the framework of kinetic approach. For the spheroidal particles, the dependence of the light scattering…

Mesoscale and Nanoscale Physics · Physics 2014-12-03 Petro M. Tomchuk , Danylo V. Butenko

The optical and plasmonic properties of the chains of prolate metallic spheroids of the dielectric substrate are studied in the work using the local field approximation. The case when spheroids are arranged in such a way that their major…

Optics · Physics 2024-12-31 M. S. Maniuk , A. V. Korotun , V. I. Reva , I. M. Titov

Raza et al. recently observed the extraordinarily large energy blueshifts of localized surface plasmon resonances and additional surface plasmon resonances in silver nanoparticles encapsulated in silicon nitride, which are not fully…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 Guozhong Wang

We present a theoretical study of the optical angular momentum transfer from a circularly polarized plane wave to thin metal nanoparticles of different rotational symmetries. While absorption has been regarded as the predominant mechanism…

Optics · Physics 2014-12-23 Yoonkyung E. Lee , Kin Hung Fung , Dafei Jin , Nicholas Fang

In this letter we propose an experiment to measure the Kondo effect for magnetic atoms adsorbed on the surface of a metallic nanowire. In addition to the traditional sp-d hybridization, by introducing the strong electromagnetic field of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Ren-Shou Huang , Yia-Chung Chang

The force exerted on nanoparticles and atomic clusters by fast passing electrons like those employed in transmission electron microscopes are calculated and integrated over time to yield the momentum transferred from the electrons to the…

Atomic and Molecular Clusters · Physics 2007-08-08 F. J. Garcia de Abajo

The force exerted on nanoparticles and atomic clusters by fast passing electrons like those employed in transmission electron microscopes are calculated and integrated over time to yield the momentum transferred from the electrons to the…

Other Condensed Matter · Physics 2009-11-13 F. J. Garcia de Abajo

We study the blueshift of the surface plasmon (SP) resonance energy of isolated Ag nanoparticles with decreasing particle diameter, which we recently measured using electron energy loss spectroscopy (EELS). As the particle diameter…

Optics · Physics 2013-11-05 Søren Raza , Wei Yan , Nicolas Stenger , Martijn Wubs , N. Asger Mortensen

The kinetic approach is applied to calculate oscillations of a surface plasmon linewidth in a spheroidal metal nanoparticle embedded in any dielectric media. The principal attention is focused on the case, when the free electron path is…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Nicolas I. Grigorchuk
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