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Updated: May 28, 2026

The Effect of Anodization Parameters on the Aluminum Oxide Dielectric Layer of Thin-Film Transistors
Published on: May 24, 2020
Characterization upon electrical hysteresis and thermal diffusion of TiAl3Ox dielectric film
1Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, PR China. leishi@ustc.edu.cn.
Abstract:
In this paper, we have investigated the electrical properties of TiAl3Ox film as electrical gate insulator deposited by pulsed laser deposition and presented a simple method to describe the thermal diffusion behaviors of metal atoms at TiAl3Ox/Si interfacial region in detail. The TiAl3Ox films show obvious electrical hysteresis by the capacitance-voltage measurements after post-annealing treatment. By virtue of the diffusion models composed of TiAl3Ox film and silicon, the diffusion coefficient and the diffusion activation energy of the Ti and Al atoms are extracted. It is valuable to further investigate the pseudobinary oxide system in practice.PACS: 77.55.-g; 81.15.Fg; 81.40.Gh.
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