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Fizika Tverdogo Tela, 2020, Volume 62, Issue 7, Pages 1070–1073
DOI: https://doi.org/10.21883/FTT.2020.07.49475.041 (Mi ftt8376) 		 
This article is cited in 2 scientific papers (total in 2 papers)

Mechanical properties, strength physics and plasticity

Formation of silicon nanocrystals under friction

V. I. Vettegren, R. I. Mamalimov, I. P. Shcherbakov, V. B. Kulik

Ioffe Institute, St. Petersburg
Full-text PDF (365 kB) Citations (2)
DOI: https://doi.org/10.21883/FTT.2020.07.49475.041
Abstract: It is found using triboluminescence (TL) that nanocrystals of silicon (ncSi) with linear dimensions of about 4 nm are formed from a single crystal of silicon (Si) under friction. The time dependence of the intensity of TL signals is investigated. It consists of many superimposed signals. An analysis of their dynamics shows that nanocrystals are located on the microcrack faces formed during fracture. At the same time, a powder flies out of the friction region. Using the photoluminescence (PL) and Raman spectroscopy methods, the size of silicon nanocrystals in the powder was determined. It is about 2.2 nm. Probably, microcracks grow further in the time interval between friction and recording the Raman and PL spectra (several hours), which leads to an approximately twofold decrease in the size of nanocrystals.
Keywords: friction, nanocrystal dimensions, luminescence.
Funding agency Grant number
Russian Foundation for Basic Research 20-05-00155 а
This study was supported by the Russian Foundation for Basic Research, grant no. 20-05-00155a.
Received: 26.12.2019
Revised: 26.12.2019
Accepted: 03.03.2020
English version:
Physics of the Solid State, 2020, Volume 62, Issue 7, Pages 1210–1213
DOI: https://doi.org/10.1134/S1063783420070276
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. I. Vettegren, R. I. Mamalimov, I. P. Shcherbakov, V. B. Kulik, “Formation of silicon nanocrystals under friction”, Fizika Tverdogo Tela, 62:7 (2020), 1070–1073; Phys. Solid State, 62:7 (2020), 1210–1213
Citation in format AMSBIB
\Bibitem{VetMamShc20}
\by V.~I.~Vettegren, R.~I.~Mamalimov, I.~P.~Shcherbakov, V.~B.~Kulik
\paper Formation of silicon nanocrystals under friction
\jour Fizika Tverdogo Tela
\yr 2020
\vol 62
\issue 7
\pages 1070--1073
\mathnet{http://mi.mathnet.ru/ftt8376}
\crossref{https://doi.org/10.21883/FTT.2020.07.49475.041}
\elib{https://elibrary.ru/item.asp?id=43800529}
\transl
\jour Phys. Solid State
\yr 2020
\vol 62
\issue 7
\pages 1210--1213
\crossref{https://doi.org/10.1134/S1063783420070276}
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  • https://www.mathnet.ru/eng/ftt/v62/i7/p1070
    • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
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