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Computer Optics, 2017, Volume 41, Issue 4, Pages 577–580 (Mi co423)  

SHORT COMMUNICATIONS

Three-dimensional model of quantum dots' self-assembly under the action of laser radiation

V. A. Tkachenkoa, A. S. Tsipotana, A. S. Aleksandrovskiiab, V. V. Slabkoa

a Siberian Federal University, Krasnoyarsk, Russia
b Kirensky Institute of Physics, Russian Academy of Sciences, Krasnoyarsk, Russia

Abstract: This study considered a process of quantum dots' self-assembly into nanostructure arrays with predefined geometry, which proceeds in the external resonant laser field. We considered the simplest case of assembling a stable structure of two particles. The problem was solved numerically using a three-dimensional model of Brownian dynamics. The idea of the method is that the attraction of the dots occurs due to the interaction of resonantly induced dipole moments, with the dots being then captured by the Van der Waals force. Finally, a three-dimensional model was considered; the average nanoparticle aggregation time as a function of the laser radiation wavelength was calculated; the probability of such structures' being formed was estimated for the calculated average aggregation time and for the laser pulse duration used in the experiment. The wavelength of the maximum probability was found to be shifted from the single particle resonance wavelength of 525 nm to the red area of 535 nm, which is in qualitative agreement with the redshift of the resonance wavelength of interacting particles.

Keywords: Nanostructure fabrication; plasmonics; optical tweezers or optical manipulation.

Funding Agency Grant Number
Russian Foundation for Basic Research 16-42-240410r_a
16-32-00129-mol_a
Ministry of Education and Science of the Russian Federation 3.6341.2017/VU
The work was funded by the Russian Foundation for Basic Research (RFBR) and Krasnoyarsk Krai administration under research project No. 16-42-240410r_a, RFBR research project No. 16-32-00129 and by the Ministry of Education and Science of the Russian Federation (Grant 3.6341.2017/VU).


DOI: https://doi.org/10.18287/2412-6179-2017-41-4-577-580

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Full text: http://www.computeroptics.smr.ru/.../410417.html
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Received: 06.06.2017
Accepted:20.08.2017
Language:

Citation: V. A. Tkachenko, A. S. Tsipotan, A. S. Aleksandrovskii, V. V. Slabko, “Three-dimensional model of quantum dots' self-assembly under the action of laser radiation”, Computer Optics, 41:4 (2017), 577–580

Citation in format AMSBIB
\Bibitem{TkaTsiAle17}
\by V.~A.~Tkachenko, A.~S.~Tsipotan, A.~S.~Aleksandrovskii, V.~V.~Slabko
\paper Three-dimensional model of quantum dots' self-assembly under the action of laser radiation
\jour Computer Optics
\yr 2017
\vol 41
\issue 4
\pages 577--580
\mathnet{http://mi.mathnet.ru/co423}
\crossref{https://doi.org/10.18287/2412-6179-2017-41-4-577-580}


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