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나노 구조 물리 연구단
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van der Waals Metallic Transition Metal Dichalcogenides

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Title
van der Waals Metallic Transition Metal Dichalcogenides
Author(s)
Gang Hee Han; Dinh Loc Duong; Dong Hoon Keum; Seok Joon Yun; Young Hee Lee
Publication Date
2018-07
Journal
CHEMICAL REVIEWS, v.118, no.13, pp.6297 - 6336
Publisher
AMER CHEMICAL SOC
Abstract
Transition metal dichalcogenides are layered materials which are composed of transition metals and chalcogens of the group VIA in a 1:2 ratio. These layered materials have been extensively investigated over synthesis and optical and electrical properties for several decades. It can be insulators, semiconductors, or metals revealing all types of condensed matter properties from a magnetic lattice distorted to superconducting characteristics. Some of these also feature the topological manner. Instead of covering the semiconducting properties of transition metal dichalcogenides, which have been extensively revisited and reviewed elsewhere, here we present the structures of metallic transition metal dichalcogenides and their synthetic approaches for not only high-quality wafer-scale samples using conventional methods (e.g., chemical vapor transport, chemical vapor deposition) but also local small areas by a modification of the materials using Li intercalation, electron beam irradiation, light illumination, pressures, and strains. Some representative band structures of metallic transition metal dichalcogenides and their strong layer-dependence are reviewed and updated, both in theoretical calculations and experiments. In addition, we discuss the physical properties of metallic transition metal dichalcogenides such as periodic lattice distortion, magnetoresistance, superconductivity, topological insulator, and Weyl semimetal. Approaches to overcome current challenges related to these materials are also proposed
URI
https://pr.ibs.re.kr/handle/8788114/5553
ISSN
0009-2665
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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