Open AccessBinding energy of exciton in monolayer semiconductor WS2 with Yukawa-like screening potential
Author(s) -
Dai-Nam Le,
Hoàng Đỗ Ngọc Trầm
Publication year - 2019
Publication title -
tạp chí khoa học đại học sư phạm thành phố hồ chí minh
Language(s) - English
Resource type - Journals
ISSN - 2734-9918
DOI - 10.54607/hcmue.js.14.9.289(2017
Subject(s) - yukawa potential , monolayer , exciton , semiconductor , binding energy , transformation (genetics) , chemistry , energy (signal processing) , screening effect , operator (biology) , physics , condensed matter physics , atomic physics , materials science , nanotechnology , quantum mechanics , biochemistry , repressor , transcription factor , gene
The Yukawa-like screening potential is suggested to describe the effect of environment on the binding energy of an exciton in the monolayer semiconductor WS2. The FK Operator Method combined with the Levi-Civita transformation is used to retrieve energies for the states of n= 1, 2, 3 which agree with experimental data. Experimental values of the parameters in the screening potential expression are also obtained for further use in the case of presence of external field.