Controlling topological electronic structure of multifunctional MXene layer

Erdem Balcı; Ünal Özden Akkuş; Savas Berber

doi:10.1063/1.5042828

Controlling topological electronic structure of multifunctional MXene layer

Erdem Balcı
, Ünal Özden Akkuş
, Savas Berber^*

^*Corresponding author for this work

Gebze Technical University

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

The electric field- and charge transfer-induced topological properties of Sc₂C(OH)₂ MXene layers are reported. The system transforms from a trivial insulator to a topological insulator and to a metal. The s-pd orbitals are exchanged during the topological phase transition. The modification of the bandgap along with the transition to the topological phase reveals that Sc₂C(OH)₂ MXene is a multifunctional material. The nearly free states, which form ideal conduction channels, are responsible for the topological electronic band structures.

Original language	English
Article number	083107
Journal	Applied Physics Letters
Volume	113
Issue number	8
DOIs	https://doi.org/10.1063/1.5042828
Publication status	Published - 20 Aug 2018
Externally published	Yes

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© 2018 Author(s).

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AU - Berber, Savas

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N2 - The electric field- and charge transfer-induced topological properties of Sc2C(OH)2 MXene layers are reported. The system transforms from a trivial insulator to a topological insulator and to a metal. The s-pd orbitals are exchanged during the topological phase transition. The modification of the bandgap along with the transition to the topological phase reveals that Sc2C(OH)2 MXene is a multifunctional material. The nearly free states, which form ideal conduction channels, are responsible for the topological electronic band structures.

AB - The electric field- and charge transfer-induced topological properties of Sc2C(OH)2 MXene layers are reported. The system transforms from a trivial insulator to a topological insulator and to a metal. The s-pd orbitals are exchanged during the topological phase transition. The modification of the bandgap along with the transition to the topological phase reveals that Sc2C(OH)2 MXene is a multifunctional material. The nearly free states, which form ideal conduction channels, are responsible for the topological electronic band structures.

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Controlling topological electronic structure of multifunctional MXene layer

Abstract

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