Research output: Contribution to journal › Article › peer-review
Peculiarities of the Effect of Silver Chalcogenides on the Glass-Formation Temperature of Chalcogenide Glasses with Ionic Conduction. / Тверьянович, Юрий Станиславович; Фазлетдинов, Тимур Равильевич; Томаев, Владимир Владимирович.
In: Russian Journal of Electrochemistry, Vol. 59, No. 8, 01.08.2023, p. 567-572.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Peculiarities of the Effect of Silver Chalcogenides on the Glass-Formation Temperature of Chalcogenide Glasses with Ionic Conduction
AU - Тверьянович, Юрий Станиславович
AU - Фазлетдинов, Тимур Равильевич
AU - Томаев, Владимир Владимирович
PY - 2023/8/1
Y1 - 2023/8/1
N2 - Abstract: The glass-formation temperature of chalcogenide glasses with silver-ionic conduction is analyzed as a function of the content of silver chalcogenides. The peculiarities of the changes in the glass-formation temperature for glasses based on silver chalcogenides are explained by the coexistence of covalent bonds silver–chalcogene (Ag–Ch) and metallophilic bonds silver–silver (Ag–Ag). A large number of systems demonstrate the general relationship that allows one to conclude that the connectivity factor of silver in chalcogenide glasses substantially exceeds its formal oxidation state because silver forms metallophilic bonds in addition to covalent bonds. It is assumed that the metallophilic interactions affect not only the glass-formation temperature but also many other important properties of these glasses including the mechanism of silver-ionic conduction.
AB - Abstract: The glass-formation temperature of chalcogenide glasses with silver-ionic conduction is analyzed as a function of the content of silver chalcogenides. The peculiarities of the changes in the glass-formation temperature for glasses based on silver chalcogenides are explained by the coexistence of covalent bonds silver–chalcogene (Ag–Ch) and metallophilic bonds silver–silver (Ag–Ag). A large number of systems demonstrate the general relationship that allows one to conclude that the connectivity factor of silver in chalcogenide glasses substantially exceeds its formal oxidation state because silver forms metallophilic bonds in addition to covalent bonds. It is assumed that the metallophilic interactions affect not only the glass-formation temperature but also many other important properties of these glasses including the mechanism of silver-ionic conduction.
KW - chalcogenide glasses
KW - glass network
KW - ionic conduction
KW - metallophilic bonds
KW - plasticity
KW - silver chalcogenides
KW - silver ions
UR - https://www.mendeley.com/catalogue/d0848420-edf9-33b9-85a5-7df3d38c5245/
U2 - 10.1134/S1023193523080086
DO - 10.1134/S1023193523080086
M3 - Article
VL - 59
SP - 567
EP - 572
JO - Russian Journal of Electrochemistry
JF - Russian Journal of Electrochemistry
SN - 1023-1935
IS - 8
ER -
ID: 113801200