Specific Features of Thermal Dissolution of Silver
and Gold Thin Films in Silicate Glass

A. V. Nashchekin^a, M. V. Pogumirskii^b, P. V. Rostokin^b,
A. I. Sidorov^{b, c,} *, and T. A. Shakhverdov^b

^a Ioffe Physical-Technical Institute, Russian Academy of Sciences,
Politekhnicheskaya ul. 26, St. Petersburg, 194021 Russia

^b St. Petersburg National Research University of Information Technologies, Mechanics and Optics,
Kronverkskii pr. 49, St. Petersburg, 197101 Russia

^c St. Petersburg Electrotechnical University “LETI,” ul. Professora Popova 5, St. Petersburg, 197376 Russia

* e-mail: aisidorov@qip.ru

Received February 24, 2015

Abstract—It has been shown experimentally that the thermal dissolution of silver and gold thin films in silicate
glass is accompanied by the formation of a monolayer of silver and gold micro- and nanocrystals, respectively,
on the surface of the glass. These processes occur at temperatures well below the melting temperature of the
metal. Microcrystals are formed predominantly at the edges of islands of the metal film, where there is a suffi-
cient amount of the material for their growth. Silver and gold nanocrystals are formed in the case when atoms
of the metal dissolved in the glass repeatedly emerge on the glass surface. Silver and gold dissolved in the glass
exist not only in the form of atoms and ions but also in the form of charged and neutral molecular clusters.

DOI: 10.1134/S1063783415080211

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