Physical Chemistry Chemical Physics, volume 17, issue 32, pages 20495-20501

An in situ high-temperature scanning electron microscopy study of acanthite–argentite phase transformation in nanocrystalline silver sulfide powder

Publication typeJournal Article
Publication date2015-07-24
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.3
ISSN14639076, 14639084
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
For the first time, the α-Ag2S (acanthite)-β-Ag2S (argentite) phase transformation in nanocrystalline and coarse-crystalline powders of silver sulfide has been observed in situ by the scanning electron microscopy method in real-time. The argentite crystals are formed on the surface of acanthite particles as a result of electron-beam heating. According to the differential thermal analysis data, the transformation occurs at a temperature of ∼449-450 K, and the enthalpy of transformation is equal to ∼3.7-3.9 kJ mol(-1). The presence of α-Ag2S (acanthite)-β-Ag2S (argentite) phase transformation is confirmed in situ by high-temperature X-ray diffraction data.

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Sadovnikov S. I. et al. An in situ high-temperature scanning electron microscopy study of acanthite–argentite phase transformation in nanocrystalline silver sulfide powder // Physical Chemistry Chemical Physics. 2015. Vol. 17. No. 32. pp. 20495-20501.
GOST all authors (up to 50) Copy
Sadovnikov S. I., Gusev A. I., Rempel A. An in situ high-temperature scanning electron microscopy study of acanthite–argentite phase transformation in nanocrystalline silver sulfide powder // Physical Chemistry Chemical Physics. 2015. Vol. 17. No. 32. pp. 20495-20501.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1039/c5cp02499d
UR - https://doi.org/10.1039/c5cp02499d
TI - An in situ high-temperature scanning electron microscopy study of acanthite–argentite phase transformation in nanocrystalline silver sulfide powder
T2 - Physical Chemistry Chemical Physics
AU - Sadovnikov, Stanislav I
AU - Gusev, Aleksandr I.
AU - Rempel, Andrey
PY - 2015
DA - 2015/07/24 00:00:00
PB - Royal Society of Chemistry (RSC)
SP - 20495-20501
IS - 32
VL - 17
SN - 1463-9076
SN - 1463-9084
ER -
BibTex |
Cite this
BibTex Copy
@article{2015_Sadovnikov,
author = {Stanislav I Sadovnikov and Aleksandr I. Gusev and Andrey Rempel},
title = {An in situ high-temperature scanning electron microscopy study of acanthite–argentite phase transformation in nanocrystalline silver sulfide powder},
journal = {Physical Chemistry Chemical Physics},
year = {2015},
volume = {17},
publisher = {Royal Society of Chemistry (RSC)},
month = {jul},
url = {https://doi.org/10.1039/c5cp02499d},
number = {32},
pages = {20495--20501},
doi = {10.1039/c5cp02499d}
}
MLA
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MLA Copy
Sadovnikov, Stanislav I., et al. “An in situ high-temperature scanning electron microscopy study of acanthite–argentite phase transformation in nanocrystalline silver sulfide powder.” Physical Chemistry Chemical Physics, vol. 17, no. 32, Jul. 2015, pp. 20495-20501. https://doi.org/10.1039/c5cp02499d.
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