| Issue |
E3S Web Conf.
Volume 496, 2024
International Conference on Energy, Infrastructure and Environmental Research (EIER 2024)
|
|
|---|---|---|
| Article Number | 01004 | |
| Number of page(s) | 4 | |
| Section | Advanced Functional Materials | |
| DOI | https://doi.org/10.1051/e3sconf/202449601004 | |
| Published online | 12 March 2024 | |
Momentum-dependent dielectric function of cubic BaTiO3
1 National Institute of Applied Mechanics and Informatics, Vietnam Academy of Science and Technology, 291 Dien Bien Phu, District 3, Ho Chi Minh City, 700000, Vietnam
2 Division of Applied Physics, Dong Nai Technology University, Bien Hoa City, Vietnam
3 Faculty of Engineering, Dong Nai Technology University, Bien Hoa City, Vietnam
* e-mail: nguyentruongthanhhieu@dntu.edu.vn
We study the momentum-dependent dielectric function of barium titanateperovskite in the cubic phase. We perform first-principle calculations within the time-dependent density functional theory, including local effects. The results show that these effects play an important role on the high energy side of the obtained function.
© The Authors, published by EDP Sciences, 2024
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