Formation of alkali-metal nanoparticles in alkali-silicate glasses under electron irradiation and thermal processing


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Abstract

Experiments and numerical simulation show that the irradiation of alkali-containing glasses using electrons at an energy of 35 keV and the subsequent thermal processing at a temperature above the vitrification point lead to the formation of spherical metal (lithium, sodium, and potassium) nanoparticles with oxide sheaths that exhibit plasmon resonances in the visible spectral range. Glasses containing two alkali metals exhibit mutual effect of metals on the formation of nanoparticles with two compositions due to the difference of ion radii and mobilities of metal ions.

About the authors

E. S. Bochkareva

ITMO University

Email: aisidorov@qip.ru
Russian Federation, Kronverkskii pr. 49, St. Petersburg, 197101

A. I. Sidorov

ITMO University; Saint Petersburg Electrotechnical University “LETI,”

Author for correspondence.
Email: aisidorov@qip.ru
Russian Federation, Kronverkskii pr. 49, St. Petersburg, 197101; ul. Professora Popova 5, St. Petersburg, 197376

A. I. Ignat’ev

ITMO University

Email: aisidorov@qip.ru
Russian Federation, Kronverkskii pr. 49, St. Petersburg, 197101

N. V. Nikonorov

ITMO University

Email: aisidorov@qip.ru
Russian Federation, Kronverkskii pr. 49, St. Petersburg, 197101

O. A. Podsvirov

St. Petersburg State Technical University

Email: aisidorov@qip.ru
Russian Federation, ul. Politekhnicheskaya 29, St. Petersburg, 195251

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