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Theory of electronic and optical pro...

Magorrian, Samuel J.

Theory of electronic and optical properties of atomically thin films of indium selenide

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Theory of electronic and optical properties of atomically thin films of indium selenideby Samuel J. Magorrian.
作者:	Magorrian, Samuel J.
出版者:	Cham :Springer International Publishing :2019.
面頁冊數:	xii, 87 p. :ill., digital ;24 cm.
Contained By:	Springer Nature eBook
標題:	Thin filmsElectric properties.
電子資源:	https://doi.org/10.1007/978-3-030-25715-6
ISBN:	9783030257156$q(electronic bk.)

Theory of electronic and optical properties of atomically thin films of indium selenide
Magorrian, Samuel J.

Theory of electronic and optical properties of atomically thin films of indium selenide[electronic resource] /by Samuel J. Magorrian. - Cham :Springer International Publishing :2019. - xii, 87 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Part I: Introduction and basics -- Scienti?c context and motivation -- Laser-plasmas -- Part II: Experimental methods -- High-power lasers -- Transportable Paul trap for isolated micro-targets in vacuum -- Part III: Laser-microplasma interactions -- Laser-driven ion acceleration using isolated micro-sphere targets -- Laser-driven micro-source for bi-modal radiographic imaging -- Part IV: Summary and perspectives -- Summary -- Challenges and perspectives -- Appendix.

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.

ISBN: 9783030257156$q(electronic bk.)

Standard No.: 10.1007/978-3-030-25715-6doiSubjects--Topical Terms:

455652
Thin films
--Electric properties.

LC Class. No.: QC176.84.E5 / M34 2019

Dewey Class. No.: 530.41

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520 $a 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.
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