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Experimental verification of semi-metallic band structure in PtSe2via thermoelectric power measurements

Title
Experimental verification of semi-metallic band structure in PtSe2via thermoelectric power measurements
Authors
Kim, JeongminYoun, SeonhyeBang, JoonhoMoon, HongjaeJang, WoosunRoh, Jong WookKim, Dong HwanChang, JoonyeonLee, Wooyoung
DGIST Authors
Kim, Jeongmin; Youn, Seonhye; Bang, Joonho; Moon, Hongjae; Jang, Woosun; Roh, Jong Wook; Kim, Dong Hwan; Chang, Joonyeon; Lee, Wooyoung
Issue Date
2022-01
Citation
Applied Physics Letters, 120(4)
Type
Article
ISSN
0003-6951
Abstract
We present an investigation of the band structure in the semi-metallic two-dimensional (2D) PtSe2 based on thermoelectric transport phenomena. The gate-tuned electrical conductivity and thermoelectric power were measured by varying the temperature using mechanically exfoliated PtSe2 nanosheets, including naturally doped non-neutral samples. Through the synergy of the gate-tuning effect and shifted zero-gate energy level, the semi-metallic band structure of 2D PtSe2 was confirmed by the transport properties in the band over a wide energy range. The temperature dependence of the transport properties was also investigated to determine the band structure and intrinsic properties. © 2022 Author(s).
URI
http://hdl.handle.net/20.500.11750/16472
DOI
10.1063/5.0076972
Publisher
American Institute of Physics
Related Researcher
Files:
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Collection:
Division of Nanotechnology1. Journal Articles


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