Physical Chemistry Chemical Physics, volume 23, issue 32, pages 17374-17381

Three-band perfect absorber with high refractive index sensing based on an active tunable Dirac semimetal

Zhiyou Li 1
Zao Yi 1
Tinting Liu 1
Liu Li 1
Liu Li 1
Xifang Chen 1
Fusheng Zheng 1
Jianguo Zhang 2
HAILIANG LI 3
Pinghui Wu 4
Peiguang Yan 5
Show full list: 11 authors
Publication typeJournal Article
Publication date2021-07-17
scimago Q2
SJR0.721
CiteScore5.5
Impact factor2.9
ISSN14639076, 14639084
PubMed ID:  34350442
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract

We designed a perfect absorber based on bulk Dirac semi-metallic. The minimum bandwidth is 0.02 THz, the maximum quality factor is 106, and the maximum refractive index sensitivity is 0.1525 THz RIU−1. The device can be tuned by Fermi level.

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