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- Publisher Website: 10.1016/j.physe.2016.01.040
- Scopus: eid_2-s2.0-84956912740
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Article: Low-frequency interlayer vibration modes in two-dimensional layered materials
Title | Low-frequency interlayer vibration modes in two-dimensional layered materials |
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Authors | |
Keywords | Layered materials Interlayer coupling Raman scattering low-frequency interlayer mode linear chain model |
Issue Date | 2016 |
Citation | Physica E: Low-Dimensional Systems and Nanostructures, 2016, v. 80, p. 130-141 How to Cite? |
Abstract | © 2016 Elsevier B.V. All rights reserved. Two-dimensional (2D) layered materials have been attracted tremendous research interest because of their novel photoelectric properties. If a single atomic layer instead of individual atoms is taken as a rigid motion object, two unique interlayer vibrations, i.e. compression/breathing and shear motions, at ultra-low frequencies can be expected and actually have been observed in many layered materials. The vibrations stem from the interlayer van der Waals interaction and can be well described by a conventional linear-chain model in most cases. The vibration frequencies strongly depend on layer thickness, which enables an accurate determination of layer numbers. A quick and nondestructive determination of flake thickness is particularly important for the materials, since the physical properties can be dramatically changed in the cases of several atomic layers. As a measure of interlayer coupling, the low-frequency modes are also sensitive to the stacking methods of atomic layers and the overlapping of different kinds of 2D materials. This allows the modes to play a key role in the applications like van der Waals heterojunctions. In this paper, we will give a brief review on the experimental observations and theoretical understanding of the interlayer modes in several typical 2D systems, as well as their actual and potential applications. |
Persistent Identifier | http://hdl.handle.net/10722/254554 |
ISSN | 2021 Impact Factor: 3.369 2020 SCImago Journal Rankings: 0.581 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Ji, Jianting | - |
dc.contributor.author | Dong, Shan | - |
dc.contributor.author | Zhang, Anmin | - |
dc.contributor.author | Zhang, Qingming | - |
dc.date.accessioned | 2018-06-19T15:40:52Z | - |
dc.date.available | 2018-06-19T15:40:52Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Physica E: Low-Dimensional Systems and Nanostructures, 2016, v. 80, p. 130-141 | - |
dc.identifier.issn | 1386-9477 | - |
dc.identifier.uri | http://hdl.handle.net/10722/254554 | - |
dc.description.abstract | © 2016 Elsevier B.V. All rights reserved. Two-dimensional (2D) layered materials have been attracted tremendous research interest because of their novel photoelectric properties. If a single atomic layer instead of individual atoms is taken as a rigid motion object, two unique interlayer vibrations, i.e. compression/breathing and shear motions, at ultra-low frequencies can be expected and actually have been observed in many layered materials. The vibrations stem from the interlayer van der Waals interaction and can be well described by a conventional linear-chain model in most cases. The vibration frequencies strongly depend on layer thickness, which enables an accurate determination of layer numbers. A quick and nondestructive determination of flake thickness is particularly important for the materials, since the physical properties can be dramatically changed in the cases of several atomic layers. As a measure of interlayer coupling, the low-frequency modes are also sensitive to the stacking methods of atomic layers and the overlapping of different kinds of 2D materials. This allows the modes to play a key role in the applications like van der Waals heterojunctions. In this paper, we will give a brief review on the experimental observations and theoretical understanding of the interlayer modes in several typical 2D systems, as well as their actual and potential applications. | - |
dc.language | eng | - |
dc.relation.ispartof | Physica E: Low-Dimensional Systems and Nanostructures | - |
dc.subject | Layered materials | - |
dc.subject | Interlayer coupling | - |
dc.subject | Raman scattering | - |
dc.subject | low-frequency interlayer mode | - |
dc.subject | linear chain model | - |
dc.title | Low-frequency interlayer vibration modes in two-dimensional layered materials | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.physe.2016.01.040 | - |
dc.identifier.scopus | eid_2-s2.0-84956912740 | - |
dc.identifier.volume | 80 | - |
dc.identifier.spage | 130 | - |
dc.identifier.epage | 141 | - |
dc.identifier.isi | WOS:000371337300021 | - |
dc.identifier.issnl | 1386-9477 | - |