Overview
- Nominated as an outstanding Ph.D. thesis by the University of Manchester, Manchester, UK
- A comprehensive theoretical description of electronic and optical properties of monolayer and few-layer InSe to aid understanding of this novel 2D material
- Provides a full tight-binding model and hybrid k.p tight-binding approach which may be used for further calculations of properties
Part of the book series: Springer Theses (Springer Theses)
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Table of contents (5 chapters)
Keywords
About this book
This thesis provides the first comprehensive theoretical overview of the electronic and optical properties of two dimensional (2D) Indium Selenide: atomically thin films of InSe ranging from monolayers to few layers in thickness. The thesis shows how the electronic propertes of 2D InSe vary significantly with film thickness, changing from a weakly indirect semiconductor for the monolayer to a direct gap material in the bulk form, with a strong band gap variation with film thickness predicted and recently observed in optical experiments. The proposed theory is based on a specially designed hybrid k.p tight-binding model approach (HkpTB), which uses an intralayer k.p Hamiltonian to describe the InSe monolayer, and tight-binding-like interlayer hopping. Electronic and optical absorption spectra are determined, and a detailed description of subbands of electrons in few-layer films and the influence of spin-orbit coupling is provided. The author shows that the principal optical excitations of InSe films with the thickness from 1 to 15 layers broadly cover the visible spectrum, with the possibility of extending optical functionality into the infrared and THz range using intersubband transitions.
Authors and Affiliations
Bibliographic Information
Book Title: Theory of Electronic and Optical Properties of Atomically Thin Films of Indium Selenide
Authors: Samuel J. Magorrian
Series Title: Springer Theses
DOI: https://doi.org/10.1007/978-3-030-25715-6
Publisher: Springer Cham
eBook Packages: Physics and Astronomy, Physics and Astronomy (R0)
Copyright Information: Springer Nature Switzerland AG 2019
Hardcover ISBN: 978-3-030-25714-9Published: 24 August 2019
Softcover ISBN: 978-3-030-25717-0Published: 25 August 2020
eBook ISBN: 978-3-030-25715-6Published: 13 August 2019
Series ISSN: 2190-5053
Series E-ISSN: 2190-5061
Edition Number: 1
Number of Pages: XII, 87
Number of Illustrations: 6 b/w illustrations, 26 illustrations in colour
Topics: Surface and Interface Science, Thin Films, Solid State Physics, Theoretical, Mathematical and Computational Physics