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Author : Sara Olibet
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (716 download)
Download or read book Properties of Interfaces in Amorphous written by Sara Olibet and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sara Olibet
Publisher :
ISBN 13 :
Total Pages : 239 pages
Book Rating : 4.:/5 (428 download)
Download or read book Properties of Interfaces in Amorphous/crystalline Silicon Heterojunctions written by Sara Olibet and published by . This book was released on 2009 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Properties of Interfaces in Amorphous written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The main focus of this work is the study of interfaces in amorphous/crystalline silicon (a-Si:H/c-Si) heterostructures, especially the investigation of the a-Si:H/c-Si heterointerface's electronic quality and its effect on the consecutive a-Si:H/c-Si heterojunction (HJ) solar cell fabrication. c-Si based solar cells have the potential for achieving high conversion efficiencies, but the standard simple fabrication processes lead to medium module efficiencies. Thin-film Si based technologies offer the prospect of low-cost fabrication but yield lower efficiencies. a-Si:H/c-Si HJ solar cells combine the advantages of both technologies, i.e., the high efficiency potential of c-Si and the low fabrication cost of a-Si:H. In this way the c-Si cost becomes reasonable because it is possible to use very thin wafers to produce highly efficient solar cells. The electronic quality of the heterostructure interface was evaluated experimentally with photogenerated carrier lifetime measurements. In this study, carrier recombination at the interface is the step limiting photogenerated carriers' lifetime. In the theoretical part of this work, c-Si surface recombination is modeled by considering for the first time the amphoteric nature of Si dangling bonds. For this, a model previously established for bulk a-Si:H recombination, is extended to the description of the c-Si surface recombination through amphoteric defects. Its differences and similarities compared to existing interface recombination models are discussed. This new model is currently the simplest that allows an understanding of the largest set of experimentally observed behaviors of passivation layers on c-Si. The potential of the model's applicability to passivation by silicon dioxide (SiOsub2/sub) and silicon nitride (SiNsubx
Author : M.F. Thorpe
Publisher : Springer Science & Business Media
ISBN 13 : 9401009147
Total Pages : 451 pages
Book Rating : 4.4/5 (1 download)
Download or read book Properties and Applications of Amorphous Materials written by M.F. Thorpe and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this NATO ASI has been to present an up-to-date overview of current areas of interest in amorphous materials, with particular emphasis on electronic properties and device applications. In order to limit the material to a manageable amount, the meeting was concerned almost exclusively with semiconducting materials. This volume should be regarded as a follow-on to the NATO ASI held in Sozopol, Bulgaria in 1996 and published as "Amorphous Insulators and Semiconductors" edited by M.F. Thorpe and M.1. Mitkova (Kluwer Academic Publishers, NATO ASI series, 3 High Technology - Vol. 23). The lectures and seminars fill the gap between graduate courses and research seminars. The lecturers and seminar speakers were chosen as experts in their respective areas, and the lectures and seminars that were given are presented in this volume. During the first week of the meeting, an emphasis was placed on introductory lectures while the second week focused more on research seminars. There were two very good poster sessions that generated a lot of discussion, but these are not reproduced in this volume as the editors wanted to have only larger contributions to make the proceedings more coherent.
Author : David Adler
Publisher : Springer Science & Business Media
ISBN 13 : 1489922601
Total Pages : 448 pages
Book Rating : 4.4/5 (899 download)
Download or read book Physical Properties of Amorphous Materials written by David Adler and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Institute for Amorphous Studies was founded in 1982 as the international center for the investigation of amorphous mate rials. It has since played an important role in promoting the und er standing of disordered matter in general. An Institute lecture series on "Fundamentals of Amorphous Materials and Devices" was held during 1982-83 with distinguished speakers from universities and industry. These events were free and open to the public ,and were attended by many representatives of the scientific community. The lectures themselves were highly successful inasmuch as they provided not only formal instruction but also an opportunity for vigorous and stimulating debate. That last element could not be captured within the pages of a book I but the lectures concentrated on the latest advances in the field I which is why their essential contents are he re reproduced in collective form. Together they constitute an interdisciplinary status report of the field. The speakers brought many different viewpoints and a variety of back ground experiences io bear on the problems involved I but though language and conventions vary I the essential unity of the concerns is very clear I as indeed are the ultimate benefits of the many-sided approach.
Author : Sara Olibet
Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838109718
Total Pages : 252 pages
Book Rating : 4.1/5 (97 download)
Download or read book Interface properties of amorphous/crystalline silicon heterojunctions written by Sara Olibet and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2009-09 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solar cells based on monocrystalline silicon (c-Si) can potentially achieve high sunlight energy conversion efficiencies and thus could reach grid parity despite the high cost of c-Si. The efficiency of standard c-Si solar cells featuring diffused emitters and aluminum back surface fields (BSF) is limited by interface recombination. Alternatively the growth of intrinsic/doped amorphous silicon (a- Si: H) layer stacks on c-Si effectively passivates the c-Si surface and simultaneously forms the emitter and BSF. Such Si heterojunction (HJ) solar cells can use thin c-Si wafers, benefit from low production cost of a-Si: H layers and enable the highest efficiencies. The focus of this work is the study of interfaces in a-Si: H/c-Si heterostructures, particularly the electronic quality of the a-Si: H/c-Si heterointerface and its effect on the subsequent a- Si: H/c-Si HJ solar cell fabrication. Interface recombination modeling by considering the amphoteric nature of Si dangling bonds is in excellent agreement with measurements, and provides insight into the microscopic passivation mechan
Author : D. Wolf
Publisher : Springer Science & Business Media
ISBN 13 : 9780412412707
Total Pages : 748 pages
Book Rating : 4.4/5 (127 download)
Download or read book Materials Interfaces written by D. Wolf and published by Springer Science & Business Media. This book was released on 1992-10-31 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many of the most important properties of materials in high-technology applications are strongly influenced or even controlled by the presence of solid interfaces. In this work, leading international authorities review the broad range of subjects in this field focusing on the atomic level properties of solid interfaces.
Author : L. Cook
Publisher : The Electrochemical Society
ISBN 13 : 9781566774253
Total Pages : 362 pages
Book Rating : 4.7/5 (742 download)
Download or read book Interfaces in Electronic Materials written by L. Cook and published by The Electrochemical Society. This book was released on 2006 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zhe Chuan Feng
Publisher : CRC Press
ISBN 13 : 9780750301800
Total Pages : 318 pages
Book Rating : 4.3/5 (18 download)
Download or read book Semiconductor Interfaces, Microstructures and Devices written by Zhe Chuan Feng and published by CRC Press. This book was released on 1993-01-01 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: A semiconductor interface is the contact between the semiconductor itself and a metal. The interface is a site of change, and it is imperative to ensure that the semiconducting material is sealed at this point to maintain its reliability. This book examines various aspects of interfaces, showing how they can affect microstructures and devices such as infrared photodetectors (as used in nightsights) and blue diode lasers. It presents various techniques for examining different types of semiconductor material and suggests future potential commercial applications for different semiconductor devices. Written by experts in their fields and focusing on metallic semiconductors (Cadmium Telluride and related compounds), this comprehensive overview of recent developments is an essential reference for those working in the semiconductor industry and provides a concise and comprehensive introduction to those new to the field.
Author : Hari Singh Nalwa
Publisher : Elsevier
ISBN 13 : 0080533825
Total Pages : 1915 pages
Book Rating : 4.0/5 (85 download)
Download or read book Handbook of Surfaces and Interfaces of Materials, Five-Volume Set written by Hari Singh Nalwa and published by Elsevier. This book was released on 2001-10-26 with total page 1915 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook brings together, under a single cover, all aspects of the chemistry, physics, and engineering of surfaces and interfaces of materials currently studied in academic and industrial research. It covers different experimental and theoretical aspects of surfaces and interfaces, their physical properties, and spectroscopic techniques that have been applied to a wide class of inorganic, organic, polymer, and biological materials. The diversified technological areas of surface science reflect the explosion of scientific information on surfaces and interfaces of materials and their spectroscopic characterization. The large volume of experimental data on chemistry, physics, and engineering aspects of materials surfaces and interfaces remains scattered in so many different periodicals, therefore this handbook compilation is needed.The information presented in this multivolume reference draws on two decades of pioneering research on the surfaces and interfaces of materials to offer a complete perspective on the topic. These five volumes-Surface and Interface Phenomena; Surface Characterization and Properties; Nanostructures, Micelles, and Colloids; Thin Films and Layers; Biointerfaces and Applications-provide multidisciplinary review chapters and summarize the current status of the field covering important scientific and technological developments made over past decades in surfaces and interfaces of materials and spectroscopic techniques with contributions from internationally recognized experts from all over the world. Fully cross-referenced, this book has clear, precise, and wide appeal as an essential reference source long due for the scientific community. The complete reference on the topic of surfaces and interfaces of materialsThe information presented in this multivolume reference draws on two decades of pioneering researchProvides multidisciplinary review chapters and summarizes the current status of the fieldCovers important scientific and technological developments made over past decades in surfaces and interfaces of materials and spectroscopic techniquesContributions from internationally recognized experts from all over the world
Author : Sadao Adachi
Publisher : Springer Science & Business Media
ISBN 13 : 1461552419
Total Pages : 272 pages
Book Rating : 4.4/5 (615 download)
Download or read book Optical Properties of Crystalline and Amorphous Semiconductors written by Sadao Adachi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical Properties of Crystalline and Amorphous Semiconductors: Materials and Fundamental Principles presents an introduction to the fundamental optical properties of semiconductors. This book presents tutorial articles in the categories of materials and fundamental principles (Chapter 1), optical properties in the reststrahlen region (Chapter 2), those in the interband transition region (Chapters 3 and 4) and at or below the fundamental absorption edge (Chapter 5). Optical Properties of Crystalline and Amorphous Semiconductors: Materials and Fundamental Principles is presented in a form which could serve to teach the underlying concepts of semiconductor optical properties and their implementation. This book is an invaluable resource for device engineers, solid-state physicists, material scientists and students specializing in the fields of semiconductor physics and device engineering.
Author : I. Ohdomari
Publisher : Elsevier
ISBN 13 : 1483290484
Total Pages : 600 pages
Book Rating : 4.4/5 (832 download)
Download or read book Control of Semiconductor Interfaces written by I. Ohdomari and published by Elsevier. This book was released on 2017-05-03 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses exclusively on control of interfacial properties and structures for semiconductor device applications from the point of view of improving and developing novel electrical properties. The following topics are covered: metal-semiconductors, semiconductor hetero-interfaces, characterization, semiconducting new materials, insulator-semiconductor, interfaces in device, control of interface formation, control of interface properties, contact metallization. A variety of up-to-date research topics such as atomic layer epitaxy, atomic layer passivation, atomic scale characterization including STM and SR techniques, single ion implementation, self-organization crystal growth, in situ measurements for process control and extremely high-spatial resolution analysis techniques, are also included. Furthermore it bridges the macroscopic, mesoscopic, and atomic-scale regimes of semicondutor interfaces, describing the state of the art in forming, controlling and characterizating unique semiconductor interfaces, which will be of practical importance in advanced devices. Intended for both technologists who require an up-to-date assessment of methods for interface formation, processing and characterization, and solid state researchers who desire the latest developments in understanding the basic mechanisms of interface physics, chemistry and electronics, this book will be a welcome addition to the existing literature.
Author : S. Ranganathan
Publisher : Trans Tech Publications Ltd
ISBN 13 : 3035739749
Total Pages : 400 pages
Book Rating : 4.0/5 (357 download)
Download or read book Interfaces - Structure and Properties written by S. Ranganathan and published by Trans Tech Publications Ltd. This book was released on 1993-01-01 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: The behaviour of many materials critically depends on processes at interfaces and surfaces. This volume presents up-to-date reviews on atomic structure and properties of interfaces.
Author : Lawrence P Demajo
Publisher : CRC Press
ISBN 13 : 9789056996826
Total Pages : 362 pages
Book Rating : 4.9/5 (968 download)
Download or read book Fundamentals of Adhesion and Interfaces written by Lawrence P Demajo and published by CRC Press. This book was released on 2000-10-31 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: The understanding of adhesion and interfacial effects has benefited from various technological advances in recent years. Advances in laboratory equipment, analytical tools such as the nanoindentor, SIMS, and ESCA, and improvements in computing technology have greatly expanded the relevant body of knowledge. Rapid progress in adhesion and interfacial science has made dissemination of results in a timely fashion more important than ever. Accordingly, the editors of this book organized an ACS symposium, sponsored by the Division of Polymer Chemistry, entitled Fundamentals of Adhesion and Interfaces. The papers in this volume were selected from those presented at the symposium.
Author :
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.:/5 (3 download)
Download or read book SERI Photovoltaic Advanced Research and Development Bibliography, 1982-1985 written by and published by . This book was released on 1986 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sokrates T. Pantelides
Publisher : Elsevier
ISBN 13 : 148313900X
Total Pages : 501 pages
Book Rating : 4.4/5 (831 download)
Download or read book The Physics of SiO2 and Its Interfaces written by Sokrates T. Pantelides and published by Elsevier. This book was released on 2013-09-17 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Physics of SiO2 and Its Interfaces covers the proceedings of the International Topical Conference on the Physics of SiO2 and its Interfaces, held at the IBM Thomas J. Watson Research Center, Yorktown Heights, New York on March 22-24, 1978. The book focuses on the properties, reactions, transformations, and structures of silicon dioxide (SiO2). The selection first discusses the electronic properties of vitreous SiO2 and small polaron formation and motion of holes in a-SiO2. Discussions focus on mobility edges and polarons, deep states in the gap, and excitons. The text also ponders on field-dependent hole and exciton transport in SiO2 and electron emission from SiO2 into vacuum. The publication takes a look at the electronic structures of crystalline and amorphous SiO2; band structures and electronic properties of SiO2; and optical absorption spectrum of SiO2. The text also tackles chemical bond and related properties of SiO2; topological effects on the band structure of silica; and properties of localized SiO2 clusters in layers of disordered silicon on silver. The selection is a good reference for physicists and readers interested in the physics of silicon dioxide.
Author : William A. Phillips
Publisher : Springer Science & Business Media
ISBN 13 : 3642815340
Total Pages : 179 pages
Book Rating : 4.6/5 (428 download)
Download or read book Amorphous Solids written by William A. Phillips and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is now ten years since it was first convincingly shown that below 1 K the ther mal conductivity and the heat capacity of amorphous solids behave in a way which is strikingly different to that of crystalline solids. Since that time there has been a wide variety of experimental and theoretical studies which have not only defined and clarified the low temperature problem more closely, but have also linked these differences between amorphous and crystalline solids to those suggested by older acoustic and thermal experiments (extending up to 100 K). The interest in this somewhat restricted branch of physics lies to a considerable extent in the fact that the differences were so unexpected. It might be thought that as the tempera ture, probing frequency, or more generally the energy decreases, a continuum de scription in which structural differences between glass and crystal are concealed should become more accurate. In a sense this is true, but it appears that there exists in an amorphous solid a large density of additional excitations which have no counterpart in normal crystals. This book presents a survey of the wide range of experimental investigations of these low energy excitations, together with a re view of the various theoretical models put forward to explain their existence and nature.
