Theory Of Electronic And Optical Properties Of Atomically Thin Films Of Indium Selenide
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Theory Of Electronic And Optical Properties Of Atomically Thin Films Of Indium Selenide
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Author : Samuel J. Magorrian
language : en
Publisher: Springer
Release Date : 2019-08-13
Theory Of Electronic And Optical Properties Of Atomically Thin Films Of Indium Selenide written by Samuel J. Magorrian and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-13 with Science categories.
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.
2d Materials And Van Der Waals Heterostructures
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Author : Antonio Di Bartolomeo
language : en
Publisher: MDPI
Release Date : 2020-06-23
2d Materials And Van Der Waals Heterostructures written by Antonio Di Bartolomeo and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-23 with Science categories.
The advent of graphene and, more recently, two-dimensional materials has opened new perspectives in electronics, optoelectronics, energy harvesting, and sensing applications. This book, based on a Special Issue published in Nanomaterials – MDPI covers experimental, simulation, and theoretical research on 2D materials and their van der Waals heterojunctions. The emphasis is the physical properties and the applications of 2D materials in state-of-the-art sensors and electronic or optoelectronic devices.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Inorganic Ternary Thin Films Anaysis Of Optical Properties
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Author : Cliff Orori Mosiori
language : en
Publisher: diplom.de
Release Date : 2015-01-01
Inorganic Ternary Thin Films Anaysis Of Optical Properties written by Cliff Orori Mosiori and has been published by diplom.de this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-01 with Technology & Engineering categories.
Thin films can be used to fabricate optoelectronic devices. Technology is currently focusing on ternary thin film composition because of their structure, inter-band transitions and other optical properties that can be maximized. This book discusses in detail the optical characteristics of ternary thin films and further investigates the behavior of Iron Zinc Sulphide, Lead Silver Sulphide, Copper Silver Sulphide, Copper Zinc Sulphide and Cadmium Zinc Sulphide. Thin films are of fundamental importance in modern technology.
Structure And Electronic Properties Of Ultrathin In Films On Si 111
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Author : Shigemi Terakawa
language : en
Publisher: Springer Nature
Release Date : 2022-11-07
Structure And Electronic Properties Of Ultrathin In Films On Si 111 written by Shigemi Terakawa and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-07 with Technology & Engineering categories.
This book reports the establishment of a single-atomic layer metal of In and a novel (In, Mg) ultrathin film on Si(111) surfaces. A double-layer phase of In called “rect” has been extensively investigated as a two-dimensional metal. Another crystalline phase called “hex” was also suggested, but it had not been established due to difficulty in preparing the sample. The author succeeded in growing the large and high-quality sample of the hex phase and revealed that it is a single-layer metal. The author also established a new triple-atomic layer (In, Mg) film with a nearly freestanding character by Mg deposition onto the In double layer. This work proposes a novel method to decouple ultrathin metal films from Si dangling bonds. The present study demonstrates interesting properties of indium itself, which is a p-block metal both with metallicity and covalency. In this book, readers also see principles of various surface analysis techniques and learn how to use them and analyze the results in the real systems. This book is useful to researchers and students interested in surface science, particularly ultrathin metal films on semiconductor surfaces.
Metals Abstracts
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Author :
language : en
Publisher:
Release Date : 1981
Metals Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Metallurgy categories.
Dekker Encyclopedia Of Nanoscience And Nanotechnology
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Author : James A. Schwarz
language : en
Publisher: CRC Press
Release Date : 2004
Dekker Encyclopedia Of Nanoscience And Nanotechnology written by James A. Schwarz and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Science categories.
Physics Briefs
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Author :
language : en
Publisher:
Release Date : 1991
Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Physics categories.
Transparent Electronics
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Author : Antonio Facchetti
language : en
Publisher: John Wiley & Sons
Release Date : 2010-03-25
Transparent Electronics written by Antonio Facchetti and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-03-25 with Technology & Engineering categories.
The challenge for producing “invisible” electronic circuitry and opto-electronic devices is that the transistor materials must be transparent to visible light yet have good carrier mobilities. This requires a special class of materials having “contra-indicated properties” because from the band structure point of view, the combination of transparency and conductivity is contradictory. Structured to strike a balance between introductory and advanced topics, this monograph juxtaposes fundamental science and technology / application issues, and essential materials characteristics versus device architecture and practical applications. The first section is devoted to fundamental materials compositions and their properties, including transparent conducting oxides, transparent oxide semiconductors, p-type wide-band-gap semiconductors, and single-wall carbon nanotubes. The second section deals with transparent electronic devices including thin-film transistors, photovoltaic cells, integrated electronic circuits, displays, sensors, solar cells, and electro-optic devices. Describing scientific fundamentals and recent breakthroughs such as the first “invisible” transistor, Transparent Electronics: From Synthesis to Applications brings together world renowned experts from both academia, national laboratories, and industry.
Crystal Growth Bibliography
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Author :
language : en
Publisher: Springer Nature
Release Date : 1981
Crystal Growth Bibliography written by and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.