Kinetic study of a solid-state reaction in Ag/Al multilayer thin films by in situ electron diffraction and simultaneous thermal analysis

被引：12

作者：

Zharkov, Sergey M. ^{[1
,2
]}

Altunin, Roman R. ^{[1
]}

Yumashev, Vladimir V. ^{[3
]}

Moiseenko, Evgeny T. ^{[1
]}

Belousov, Oleg V. ^{[1
,3
]}

Solovyov, Leonid A. ^{[3
]}

Volochaev, Mikhail N. ^{[2
,4
]}

Zeer, Galina M. ^{[1
]}

机构：

[1] Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia

[2] RAS, Kirensky Inst Phys, SB, Fed Res Ctr,KSC, Akademgorodok 50-38, Krasnoyarsk 660036, Russia

[3] RAS, Inst Chem & Chem Technol, SB, Fed Res Ctr,KSC, Akademgorodok 50-24, Krasnoyarsk 660036, Russia

[4] Reshetnev Siberian State Univ Sci & Technol, Krasnoyarskij Rabochij 31, Krasnoyarsk 660037, Russia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 871卷

基金：

俄罗斯科学基金会;

关键词：

Thin films; Intermetallic compound; Solid-state reaction; Phase transformations; Kinetic model; Activation energy; STRUCTURAL PHASE-TRANSFORMATIONS; COMMITTEE RECOMMENDATIONS; ICTAC KINETICS; AG; SILVER; AL; SUBSTRATE;

D O I：

10.1016/j.jallcom.2021.159474

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A solid-state reaction process in Ag/Al multilayer thin films has been investigated by the methods of in situ electron diffraction, simultaneous thermal analysis, transmission electron microscopy and X-ray diffraction with the aim of studying the phase formation kinetics of intermetallic compounds. The sequence of the phase transformations in the solid-state reaction has been established: Ag+Al ->(Ag)+(Al)->(Ag)+delta-Ag2Al ->mu-Ag3Al. The process of the solid-state interaction has been shown to consist of two steps; each of them is described by a kinetic model of the nth order reactions with autocatalysis. The kinetic parameters of the autocatalytic process of the phase formation for delta-Ag2Al and mu-Ag3Al, have been determined, in particular, their apparent activation energy: 126 kJ/mol and 106 kJ/mol, respectively. (C) 2021 Elsevier B.V. All rights reserved.

引用

页数：9

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