Magneto-optical absorption coefficients in monolayer MoSe2
Vol. 130 No. 1B (2021), Original Article
Vol. 130 No. 1B (2021)

Magneto-optical absorption coefficients in monolayer MoSe2

Original Article
https://doi.org/10.26459/hueunijns.v130i1B.6162
Published 2021-10-05
Tran N. Bich
Division of Physics, Quang Binh University, Quang Binh, Vietnam
Huynh V. Phuc
Division of Theoretical Physics, Dong Thap University, Cao Lanh, Dong Thap, Vietnam
Le Dinh
Center for Theoretical and Computational Physics, University of Education, Hue University, 34 Le Loi St., Hue, Vietnam
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Keywords

monolayer MoSe2
magneto-optical absorption coefficients MoSe2 đơn lớp
Hệ số hấp thụ quang từ

How to Cite

1.
Bich TN, Phuc HV, Dinh L. Magneto-optical absorption coefficients in monolayer MoSe2 . hueuni-jns [Internet]. 2021Oct.5 [cited 2024Nov.23];130(1B):21-6. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/6162
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Abstract

We study the linear, third-order nonlinear, and total absorption coefficients (OACs) caused by intra- and inter-band transitions in monolayer MoSe2 in the presence of a magnetic field by using the compact density matrix approach. The results show that the OACs display the blue-shift behaviour with an increase in the magnetic field. The Zeeman fields do not affect the peak positions but reduce peak intensities slightly. Besides, the strong spin-orbit coupling in monolayer MoSe2 causes the peaks to differ significantly due to spin-up and spin-down. The OACs due to intra-band transition display only one peak in the THz range, while the inter-band spectra show a series of peaks in the near-infrared optical range, making monolayer MoSe2 a promising candidate for novel optoelectronic applications.

https://doi.org/10.26459/hueunijns.v130i1B.6162
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