EBookClubs

Read Books & Download eBooks Full Online

EBookClubs

Read Books & Download eBooks Full Online

Book The Effect of Deposition Conditions on Electrical and Optical Properties of Indium tin Oxide and Cadmium tin Oxide Films

Download or read book The Effect of Deposition Conditions on Electrical and Optical Properties of Indium tin Oxide and Cadmium tin Oxide Films written by Hassan Memarian and published by . This book was released on 1989 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Preparation and Post Annealing Effects on the Optical Properties of Indium Tin Oxide Thin Films

Download or read book Preparation and Post Annealing Effects on the Optical Properties of Indium Tin Oxide Thin Films written by Rongxin Wang and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Preparation and Post-annealing Effects on the Optical Properties of Indium Tin Oxide Thin Films" by Rongxin, Wang, 王榮新, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled PREPARATION AND POST-ANNEALING EFFECTS ON THE OPTICAL PROPERTIES OF INDIUM TIN OXIDE THIN FILMS Submitted by WANG Rong Xin for the degree of Doctor of Philosophy at The University of Hong Kong in April 2005 Many opto-electronic devices, such as III-V compound devices, liquid crystal displays, solar cells, organic and inorganic light emitting devices, and ultraviolet photodetectors, demand transparent electrode materials simultaneously having high electrical conductance. To meet the requirements for particular applications, a great deal of basic research and studies have been carried out on the electrical and optical properties of these materials. As a most promising candidate for such materials, indium tin oxide (ITO) has attracted interest in recent years. Furthermore, ITO has many unique properties such as excellent adhesion on the substrate, thermal stability and ease of patterning. The deposition of high-quality ITO thin films is a key step for successful application of ITO thin films as transparent electrode materials. To obtain optimal electrical and optical properties of ITO films, the growth parameters and conditions must be determined. Moreover, the optical and electrical properties of ITO contact layers, which can either be on the top side or the bottom side of a device, are influenced by various post-deposition treatments. For the present work, ITO thin films were deposited on glass and quartz substrates using e-beam evaporation with different deposition rates. The influence of substrate material, deposition rate, deposition gas environment and post-deposition annealing on the optical properties of the films was investigated in detail. Atomic force microscopy, X-ray diffraction and X-ray photoemission spectroscopy was employed to obtain information on the chemical state and crystallization of the films. Analysis of these data suggests that the substrate material, deposition rate, deposition gas environment and post-deposition annealing conditions strongly affect the chemical composition and the microstructure of the ITO films and these in turn influence the optical properties of the film. Oxygen incorporation transfers the In O phase to the In O phase and removes metallic In to form both indium oxide 2 3-x 2 3 phases. Both of these reactions are beneficial for the optical transmittance of ITO thin films. Moreover, it was found that the incorporation and decomposition reactions of oxygen can be controlled so as to change the optical properties of the ITO thin films reversibly. DOI: 10.5353/th_b3154617 Subjects: Thin films - Optical properties Indium compounds Annealing of metals

Book Transparent Conducting Pure and Tin Doped Indium Oxide Films   Preparation and Characterization

Download or read book Transparent Conducting Pure and Tin Doped Indium Oxide Films Preparation and Characterization written by Dr. B. Radhakrishna and published by Lulu.com. This book was released on with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Electrical and Optical Properties of Indium Oxide Thin Films

Download or read book Electrical and Optical Properties of Indium Oxide Thin Films written by Remesh Seth Nair and published by . This book was released on 1993 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Anneal Effects on the Electrical and Optical Properties of Indium Tin Oxide Films

Download or read book Anneal Effects on the Electrical and Optical Properties of Indium Tin Oxide Films written by Gul Mohammed and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Electrical and Optical Properties of Pyrolytically deposited Indium Oxide Thin Films

Download or read book Electrical and Optical Properties of Pyrolytically deposited Indium Oxide Thin Films written by Oladele Bolarinwa Ajayi and published by . This book was released on 1969 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Electrical  Optical and Structural Properties of Indium Tin Oxide Thin Films Deposited on Glass  Pet and Polycarbonate Substrates by Rf Sputtering

Download or read book Electrical Optical and Structural Properties of Indium Tin Oxide Thin Films Deposited on Glass Pet and Polycarbonate Substrates by Rf Sputtering written by Teck-Shiun Lim and published by . This book was released on 199? with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Thin Films and Heterostructures for Oxide Electronics

Download or read book Thin Films and Heterostructures for Oxide Electronics written by Satishchandra B. Ogale and published by Springer Science & Business Media. This book was released on 2005-07-15 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxides form a broad subject area of research and technology development which encompasses different disciplines such as materials science, solid state chemistry, physics etc. The aim of this book is to demonstrate the interplay of these fields and to provide an introduction to the techniques and methodologies involving film growth, characterization and device processing. The literature in this field is thus fairly scattered in different research journals covering one or the other aspect of the specific activity. This situation calls for a book that will consolidate this information and thus enable a beginner as well as an expert to get an overall perspective of the field, its foundations, and its projected progress.

Book The Effect of Atomic Oxygen on the Formation of Indium Tin Oxide Thin Films

Download or read book The Effect of Atomic Oxygen on the Formation of Indium Tin Oxide Thin Films written by Nelson A. Simpson and published by . This book was released on 2013 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indium Tin Oxide (ITO) is a transparent conducting oxide that is used in at paneldisplays and optoelectronics. Highly conductive and transparent ITO lms arenormally produced by heating the substrate to 300 C during deposition excluding plastics to be used as a substrate material. This thesis reports on an investigation whether or not dual ion beam sputtering can be used to create high quality ITO lms at room temperature. The e ect of exposing the sample to an atomic versusmolecular oxygen ux during deposition was investigated. The vacuum chamber ofthe Texas State dual ion beam sputtering system was refurbished resulting in a lowering of the base pressure from 3x106 torr to 1.3x107 torr. Thin ITO lms on glass and silicon substrates were made by reactive dual ion beam sputtering using an atomic oxygen assist beam and a molecular oxygen assist beam. The optical and electrical properties of the deposited lms were characterized by ellipsometry and four point probe measurements. The lm thickness and the ITO's optical properties, i.e. refraction and extinction coe cient, were determined from the ellipsometry data for lms sputtered at di erent oxygen ow rates (1-5 sccm). This data was used to calculate the resistivity and absorption coe cient of the sputtered ITO. The resistivity of the samples sputtered with atomic oxygen were lower than the resistivity for the samples made with molecular oxygen, achieving a minimum value of 2.67x103 cm. This value is comparable to what has been obtained by others using ion beam sputtering. The gure of merit (FOM), i.e. = , was calculated from the measurement data. The largest value obtained for the FOM was 0.08 1 Films sputtered with atomic oxygen had a FOM which was systematically 1.2 to 5 times larger than lms sputtered with molecular oxygen. Part of the work described in this thesis was presented at the spring 2012 meeting of the Texas Section of the American Physical Society.

Book Optical and Electrical Properties of Indium Tin Oxide Films Near Their Laser Damage Threshold  Electrical and Optical Properties of Indium Tin Oxide Films Under Multi pulse Laser Irradiation at 1064 Nm

Download or read book Optical and Electrical Properties of Indium Tin Oxide Films Near Their Laser Damage Threshold Electrical and Optical Properties of Indium Tin Oxide Films Under Multi pulse Laser Irradiation at 1064 Nm written by and published by . This book was released on 2017 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper, we investigated whether the optical and electrical properties of indium tin oxide (ITO) films are degraded under laser irradiation below their laser ablation threshold. While performing multi-pulse laser damage experiments on a single ITO film (4.7 ns, 1064 nm, 10 Hz), we examined the optical and electrical properties in situ. A decrease in reflectance was observed prior to laser damage initiation. However, under sub-damage threshold irradiation, conductivity and reflectance of the film were maintained without measurable degradation. This indicates that ITO films in optoelectronic devices may be operated below their lifetime laser damage threshold without noticeable performance degradation.

Book Optical and Electrical Properties of Indium Tin Oxide Films

Download or read book Optical and Electrical Properties of Indium Tin Oxide Films written by Dennis V. Savitskij and published by . This book was released on 1998 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Indium Tin Oxide  ITO  Deposition  Patterning  and Schottky Contact Fabrication

Download or read book Indium Tin Oxide ITO Deposition Patterning and Schottky Contact Fabrication written by Jianming Zhou and published by . This book was released on 2006 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: "As a transparent conductive material, indium tin oxide (ITO) has been utilized as electrodes in liquid crystal displays, solar cells, heat reflecting films and gas sensors. In general, the desired properties are high conductance and transmission. However, due to the complexity of ITO, the film properties strongly depend on the deposition processes. In this study, the deposition conditions for ITO film were optimized to get both high conductivity and transmission. The emphasis was on investigating the effects of various deposition parameters, such as oxygen partial pressure, total gas flow, annealing conditions and power. These are the most critical parameters for ITO deposition. A mathematical model to describe the material properties as functions of these parameters for a CVC model 601 Sputterer was developed utilizing JMP IN software. Films with resistivity 3x10-4[omega]-cm and transmittance above 90% were achieved on glass and silicon substrates with 20 hours of annealing. The processing window (power: 120-150W, oxygen ratio: 6-10%) is, to the author's knowledge, the largest reported by literature. However, the ITO film properties (electrical and optical) variation between runs needs to be further reduced. Patterning of ITO was also investigated. High but controllable etch rates are desired. Both wet and dry etch processes were developed. The etch rate of 48nm/min was achieved by using HCL aqueous solution (4:1 HCl to DI water volumetric ratio, where HCl is the standard 37% HCl solution) with almost infinite selectivity between the ITO film and the photoresisit. For dry etch, the etch rate is 1nm/min with just argon as the working gas and the etching selectivity between the photoresist and the ITO film is 13.02. To etch 100nm ITO film, the photoresist needs to be at least 1.5um to serve as etching mask. This dry etch process still needs to be improved. A Schottky contact was successfully fabricated by using ITO as the metal. The electrical barrier height was calculated to be 1.01eV. The current-voltage characteristics were investigated as well"--Abstract.

Book Fiber Optic Sensors

Download or read book Fiber Optic Sensors written by Ignacio R. Matias and published by Springer. This book was released on 2016-11-01 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes important recent developments in fiber optic sensor technology and examines established and emerging applications in a broad range of fields and markets, including power engineering, chemical engineering, bioengineering, biomedical engineering, and environmental monitoring. Particular attention is devoted to niche applications where fiber optic sensors are or soon will be able to compete with conventional approaches. Beyond novel methods for the sensing of traditional parameters such as strain, temperature, and pressure, a variety of new ideas and concepts are proposed and explored. The significance of the advent of extended infrared sensors is discussed, and individual chapters focus on sensing at THz frequencies and optical sensing based on photonic crystal structures. Another important topic is the resonances generated when using thin films in conjunction with optical fibers, and the enormous potential of sensors based on lossy mode resonances, surface plasmon resonances, and long-range surface exciton polaritons. Detailed attention is also paid to fiber Bragg grating sensors and multimode interference sensors. Each chapter is written by an acknowledged expert in the subject under discussion.

Book Electrical and Optical Properties of Indium Tin Oxide

Download or read book Electrical and Optical Properties of Indium Tin Oxide written by Wing Yui Lam and published by . This book was released on 2014 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: