Probing Distinctive Electron Conduction in Multilayer Rhenium Disulfide

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 31(2019), 6 vom: 30. Feb., Seite e1805860
1. Verfasser: Lee, Byung Chul (VerfasserIn)
Weitere Verfasser: Na, Junhong, Choi, Jun Hee, Ji, Hyunjin, Kim, Gyu-Tae, Joo, Min-Kyu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Coulomb screening anisotropy transport charge conduction mechanism multilayer rhenium disulfide
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520 |a Charge carrier transport in multilayer van der Waals (vdW) materials, which comprise multiple conducting layers, is well described using Thomas-Fermi charge screening (λTF ) and interlayer resistance (Rint ). When both effects occur in carrier transport, a channel centroid migrates along the c-axis according to a vertical electrostatic force, causing redistribution of the conduction centroid in a multilayer system, unlike a conventional bulk material. Thus far, numerous unique properties of vdW materials are discovered, but direct evidence for distinctive charge transport behavior in 2D layered materials is not demonstrated. Herein, the distinctive electron conduction features are reported in a multilayer rhenium disulfide (ReS2 ), which provides decoupled vdW interaction between adjacent layers and much high interlayer resistivity in comparison with other transition-metal dichalcogenides materials. The existence of two plateaus in its transconductance curve clearly reveals the relocation of conduction paths with respect to the top and bottom surfaces, which is rationalized by a theoretical resistor network model by accounting of λTF and Rint coupling. The effective tunneling distance probed via low-frequency noise spectroscopy further supports the shift of electron conduction channel along the thickness of ReS2 
650 4 |a Journal Article 
650 4 |a Coulomb screening 
650 4 |a anisotropy transport 
650 4 |a charge conduction mechanism 
650 4 |a multilayer 
650 4 |a rhenium disulfide 
700 1 |a Na, Junhong  |e verfasserin  |4 aut 
700 1 |a Choi, Jun Hee  |e verfasserin  |4 aut 
700 1 |a Ji, Hyunjin  |e verfasserin  |4 aut 
700 1 |a Kim, Gyu-Tae  |e verfasserin  |4 aut 
700 1 |a Joo, Min-Kyu  |e verfasserin  |4 aut 
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856 4 0 |u http://dx.doi.org/10.1002/adma.201805860  |3 Volltext 
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