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

Stanislav I Sadovnikov ¹

Aleksandr I. Gusev ¹

Andrey Rempel ^{1, 2}

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Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620990, Russia |

Ural Federal University Named After the First President of Russia B.N. Yeltsin, Ekaterinburg, Russia |

Publication type: Journal Article

Publication date: 2015-07-24

Royal Society of Chemistry (RSC)

Journal: Physical Chemistry Chemical Physics

SJR: 0.721

CiteScore: 5.5

Impact factor: 2.9

ISSN: 14639076, 14639084

DOI: 10.1039/c5cp02499d

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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

PB - Royal Society of Chemistry (RSC)

SP - 20495-20501

IS - 32

VL - 17

SN - 1463-9076

SN - 1463-9084

ER -

BibTex |

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BibTex (up to 50 authors) 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.

Found error?

Publisher

Royal Society of Chemistry (RSC)

Journal

Physical Chemistry Chemical Physics

SJR

0.721

CiteScore

5.5

Impact factor

2.9

ISSN

14639076 (Print)

14639084 (Electronic)

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