Excitation Spectra of Cubic Perovskite Titanates

Le Hong Phuc, Nguyen Quang Hien, Hieu T. Nguyen-Truong, Hung M. Le
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Authors

  • Le Hong Phuc \(^{1}\)Ho Chi Minh City Institute of Physics, Vietnam Academy of Science and Technology, 01 Mac Dinh Chi St, Dist 01 Ho Chi Minh City, Vietnam;
    \(^{2}\)Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
  • Nguyen Quang Hien Ho Chi Minh City Institute of Physics, Vietnam Academy of Science and Technology, 01 Mac Dinh Chi St, Dist 01 Ho Chi Minh City, Vietnam
  • Hieu T. Nguyen-Truong Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam https://orcid.org/0000-0002-1609-5206
  • Hung M. Le Department of Chemistry, Washington State University, Pullman, Washington 99164, United States

DOI:

https://doi.org/10.15625/0868-3166/16343

Abstract

We calculate excitation spectra of cubic perovskites ATiO3 (A = Ca, Sr, Ba, Pb). The calculations are performed within the time-dependent density functional theory, including local field effects. The theoretical calculations show that the perovskites have a plasmon mode at around 12 eV, which is not observed in experiments.

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Published

15-01-2022

How to Cite

[1]
L. H. Phuc, N. Q. Hien, H. T. Nguyen-Truong, and H. M. Le, “Excitation Spectra of Cubic Perovskite Titanates”, Comm. Phys., vol. 32, no. 1, p. 49, Jan. 2022.

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Vol. 32 No. 1 (2022)

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Papers

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Received 04-08-2021
Accepted 19-09-2021
Published 15-01-2022

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