Probing the response of two-dimensional crystals by optical spectroscopy [electronic resource] / by Yilei Li.
Li, Yilei. author.
2016
QC454.O66
Available Online

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Title Probing the response of two-dimensional crystals by optical spectroscopy [electronic resource] / by Yilei Li.
Author Li, Yilei. author.
ISBN 9783319253763 (electronic book)
331925376X (electronic book)
9783319253749
DOI https://doi.org/10.1007/978-3-319-25376-3
Published Cham : Springer, 2016.
Language English
Description 1 online resource (xii, 69 pages) : illustrations.
Item Number 10.1007/978-3-319-25376-3 doi
Call Number QC454.O66
Dewey Decimal Classification 621.36
Summary This thesis focuses on the study of the optical response of new atomically thin two-dimensional crystals, principally the family of transition metal dichalcogenides like MoS2. One central theme of the thesis is the precise treatment of the linear and second-order nonlinear optical susceptibilities of atomically thin transition metal dichalcogenides. In addition to their significant scientific interest as fundamental material responses, these studies provide essential knowledge and convenient characterization tools for the application of these 2D materials in opto-electronic devices. Another important theme of the thesis is the valley physics of atomically thin transition metal dichalcogenides. It is shown that the degeneracy in the valley degree of freedom can be lifted and a valley polarization can be created using a magnetic field, which breaks time reversal symmetry in these materials. These findings enhance our basic understanding of the valley electronic states and open up new opportunities for valleytronic applications using two-dimensional materials.
Bibliography, etc. Note Includes bibliographical references.
Access Note Access limited to authorized users.
Digital File Characteristics text file PDF
Series Springer theses.
Available in Other Form Print version: 9783319253749
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Introduction and Background
Intrinsic Doping Dependence of Raman 2D Mode in Graphene: Signatures of Electron-Electron Interaction
Coupling of Strongly Localized Graphene Plasmons to Molecular Vibrations
Dielectric Response of a Thin Sheet
Measurement of the Optical Dielectric Function of Monolayer Transition Metal Dichalcogenides: MoS2, MoSe2, WS2, and WSe2
Measurement of the Second-Order Nonlinear Susceptibility and Probing Symmetry Properties of Few-Layer MoS2 and h-BN by Optical Second-Harmonic Generation
Valley Splitting and Polarization by Zeeman Effect in Monolayer MoSe2
Conclusion and Prospect.

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