The electrical and transport properties of decorated ZrSe2 monolayer nano-sheet with copper clusters

Decorating two-dimensional materials can enhance their electrical and transport properties. Herein, the effect of the copper cluster on the electrical and the transport properties of the monolayer zirconium diselenide (ZrSe 2 ) nano-sheet is investigated using density functional theory joined with n...

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Veröffentlicht in:Applied physics. A, Materials science & processing Materials science & processing, 2022-07, Vol.128 (7), Article 586
Hauptverfasser: Karimi Khorrami, Soroush, Berahman, M., Sadeghi, Mojtaba
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Sadeghi, Mojtaba
description Decorating two-dimensional materials can enhance their electrical and transport properties. Herein, the effect of the copper cluster on the electrical and the transport properties of the monolayer zirconium diselenide (ZrSe 2 ) nano-sheet is investigated using density functional theory joined with non-equilibrium green function. The results show that the copper cluster can turn the ZrSe 2 monolayer into an n-type semiconductor with a reduction of band gap from 0.59 eV in the pristine one to 0.15 eV. Based on the size of the cluster, the current–voltage characteristic altered drastically. It shows that decorated ZrSe 2 exhibits negative differential resistance in its current–voltage characteristic and the lack of continuity in the density of states inside the channel is the main reason for such an effect. Graphical abstract
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subjects Applied physics
Characterization and Evaluation of Materials
Clusters
Condensed Matter Physics
Copper
Current voltage characteristics
Decoration
Density functional theory
Green's functions
Machines
Manufacturing
Materials science
Monolayers
N-type semiconductors
Nanotechnology
Optical and Electronic Materials
Physics
Physics and Astronomy
Processes
Surfaces and Interfaces
Thin Films
Transport properties
Two dimensional materials
Zirconium
title The electrical and transport properties of decorated ZrSe2 monolayer nano-sheet with copper clusters
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