Archive: 2013 - Moldavian Journal of the Physical Sciences

03 Jun 2013

2013
V. 12
3-4
(p.181 - 191)

The physical properties of (As2Se3)1-x:Snx and (As4S3Se3)1-x:Snx glasses

Authors:

Iaseniuc, Oxana; Harea, Diana; Harea, Evghenii; Volodina, Galina; Iovu, Mihail

Summary:

Experimental results on some physical and optical properties of (As2Se3)1-x:Snx and (As4S3Se3)1-x:Snx (x = 0÷10 at %) glasses and amorphous films (d~2.0 µm) are presented. The bulk chalcogenide glasses are studied by X-ray diffraction spectroscopy and nanoindentation methods. It is established that the addition of these amounts of tin (x = 0÷10 at %) does not lead to significant changes in the physical properties of the glass, such as values of stress and Young’s modulus related to the modification of the density and compactness. The XRD measurements show that the Sn impurities in the (As4S3Se3)1-x:Snx do not significantly change the shape of the first sharp diffraction peak (FSDP) of the X-ray diffraction patterns either; the intensity and the position of the FSDP nonmonotonically depend on the Sn concentration. It has been found that the addition of these amounts of tin in (As4S3Se3)1-x:Snx does not lead to significant changes in the glass physical properties, such as values of stress and Young’s modulus related to the modification of the density and compactness. The study of the photoplastic effect is performed in situ, with illumination of the bulk and thin film samples during indentation as well as their indentation after illumination with a green laser (λ = 532 nm) at a power of P = 50 mV/cm2. The hardness is calculated from load-displacement curves by the Oliver-Pharr method. A sharp increase in hardness is registered if the tin concentration exceeds a value of 34% Sn. The hardness H of (As2Se3)1-x:Snx films varies between 115 and 130 kg/mm2. It is found that the hardness H of amorphous thin films is generally higher than the hardness of bulk samples with the same chemical composition. In this study, we are focused on the mechanical characteristics of high-purity As2Se3:Snx thin films.

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BibTeX

@article{ibn_29782,
author = {Iaseniuc, O.V. and Harea, D.V. and Harea, E.E. and Volodina, G.F. and Iovu, M.S.},
title = {The physical properties of (As2Se3)1-x:Snx and (As4S3Se3)1-x:Snx glasses},
journal = {Moldavian Journal of the Physical Sciences},
year = {2013},
volume = {12 (3-4)},
pages = {181-191},
month = {Jun},
abstract = {(EN) Experimental results on some physical and optical properties of (As2Se3)1-x:Snx and (As4S3Se3)1-x:Snx (x = 0÷10 at %) glasses and amorphous films (d~2.0 µm) are presented. The bulk chalcogenide glasses are studied by X-ray diffraction spectroscopy and nanoindentation methods. It is established that the addition of these amounts of tin (x = 0÷10 at %) does not lead to significant changes in the physical properties of the glass, such as values of stress and Young’s modulus related to the modification of the density and compactness. The XRD measurements show that the Sn impurities in the (As4S3Se3)1-x:Snx do not significantly change the shape of the first sharp diffraction peak (FSDP) of the X-ray diffraction patterns either; the intensity and the position of the FSDP nonmonotonically depend on the Sn concentration. It has been found that the addition of these amounts of tin in (As4S3Se3)1-x:Snx does not lead to significant changes in the glass physical properties, such as values of stress and Young’s modulus related to the modification of the density and compactness. The study of the photoplastic effect is performed in situ, with illumination of the bulk and thin film samples during indentation as well as their indentation after illumination with a green laser (λ = 532 nm) at a power of P = 50 mV/cm2. The hardness is calculated from load-displacement curves by the Oliver-Pharr method. A sharp increase in hardness is registered if the tin concentration exceeds a value of 34% Sn. The hardness H of (As2Se3)1-x:Snx films varies between 115 and 130 kg/mm2. It is found that the hardness H of amorphous thin films is generally higher than the hardness of bulk samples with the same chemical composition. In this study, we are focused on the mechanical characteristics of high-purity As2Se3:Snx thin films.},
url = {https://ibn.idsi.md/vizualizare_articol/29782},
}

DataCite

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“ ... ”

SM ISO690:2012

IASENIUC, Oxana; HAREA, Diana; HAREA, Evghenii; VOLODINA, Galina; IOVU, Mihail. The physical properties of (As2Se3)1-x:Snx and (As4S3Se3)1-x:Snx glasses. In: Moldavian Journal of the Physical Sciences. 2013, nr. 3-4(12), pp. 181-191. ISSN 1810-648X.