Commercial Applications Of Nanostructures Created With Ordered Porous Alumina

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Commercial Applications of Nanostructures Created with Ordered Porous Alumina

Author : Brendan Christopher Wells
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (64 download)

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Book Synopsis Commercial Applications of Nanostructures Created with Ordered Porous Alumina by : Brendan Christopher Wells

Download or read book Commercial Applications of Nanostructures Created with Ordered Porous Alumina written by Brendan Christopher Wells and published by . This book was released on 2004 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the drive from microfabrication to nanofabrication, porous alumina templates may play a key role in technological evolution. Under the right processing conditions, ordered pores can grow in anodic aluminum oxide, which is a high strength, thermally and electrically insulating material. There are many potential applications for porous alumina templates, ranging from the simple fabrication of nanostructure arrays to the more complex processing of components for end-user products such as nano-integrated circuits and gas sensors. Porous alumina templates can also be processed to have long-range pore ordering on an entire twelve-inch silicon wafer, which may be of unique benefit to processes requiring such pore precision, such as parallel electron beam lithography. The high aspect ratios which can be attained through porous alumina template technology may also offer unique advantages in applications such as field-emission-based devices. As a durable high strength material, porous alumina templates are not limited by extreme process conditions, further extending the reach of their application. The vast array of applications allows the technology to be financially attractive inside business models ranging from sustaining to disruptive innovation. Porous alumina template technology has the necessary multitude and diversity of attributes to play a crucial role in the future of nanotechnology.

Ordered Porous Nanostructures and Applications

Author : Ralf B. Wehrspohn
Publisher : Springer Science & Business Media
ISBN 13 : 0387251936
Total Pages : 212 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Ordered Porous Nanostructures and Applications by : Ralf B. Wehrspohn

Download or read book Ordered Porous Nanostructures and Applications written by Ralf B. Wehrspohn and published by Springer Science & Business Media. This book was released on 2006-06-14 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews the most interesting materials on the market concerning self-ordering, including macroporous silicon, porous alumina, MCM41 and photonic bandgap.

Nanostructured Semiconductors in Porous Alumina Matrices

Author : Rishat G. Valeev
Publisher : CRC Press
ISBN 13 : 0429675224
Total Pages : 263 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Nanostructured Semiconductors in Porous Alumina Matrices by : Rishat G. Valeev

Download or read book Nanostructured Semiconductors in Porous Alumina Matrices written by Rishat G. Valeev and published by CRC Press. This book was released on 2019-08-20 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, Nanostructured Semiconductors in Porous Alumina Matrices: Modeling, Synthesis, and Properties, explores new developments in the modeling, synthesis, and properties of functional semiconductor nanostructures in porous anodic alumina matrices. The book focuses on luminescent nanoparticles in organic and inorganic dielectric matrixes, specifically in porous alumina films, as these are most relevant due to their capacity for particle division and ability to provide environmental protection. With a particular emphasis on experimental and theoretical studies of the synthesis processes, the book informs readers about these nanostructures through rigorous investigation of their properties. The book, which is divided into ten chapters, begins with a discussion of the existing literature on nanostructural electroluminescent light sources (ELS). This overview establishes a foundation for the remaining nine chapters, which explore in depth many facets of nanostructured materials: their composition, processes they undergo, how they may be implemented, etc. Within these chapters, experimental studies and results are incorporated, in addition to detailed descriptions of simulations that highlight different uses of these materials.

Fabrication of Palladium Nanoparticles and Nanoporous Alumina Templates

Author : Pavani Chennapragada
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (627 download)

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Book Synopsis Fabrication of Palladium Nanoparticles and Nanoporous Alumina Templates by : Pavani Chennapragada

Download or read book Fabrication of Palladium Nanoparticles and Nanoporous Alumina Templates written by Pavani Chennapragada and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Nanostructured materials have potential technological applications due to their characteristic dimensions. The material performance will depend on the atomic structure, and composition of these materials. This thesis focuses on proposing a reliable method for fabricating nanoporous alumina and palladium nanoparticles inside the templates. Palladium nanoparticles were synthesized in commercial porous alumina templates using electrodeposition. Pores within these nanoporous membranes act as templates for the synthesis of nanostructures of the desired material. Electrodeposition is achieved using a three-terminal set-up and a potentiostat. Different types of deposition techniques were investigated to improve the distribution of the deposit. The nanoparticles were characterized by SEM/EDX for composition. The commercial templates have high aspect ratio, but are not hexagonally ordered. Hence porous alumina was fabricated in the laboratory by anodization of aluminum.

ELECTRO-CHEMO-MECHANICS OF ANO

Author : Chuan Cheng
Publisher : Open Dissertation Press
ISBN 13 : 9781360999463
Total Pages : 338 pages
Book Rating : 4.9/5 (994 download)

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Book Synopsis ELECTRO-CHEMO-MECHANICS OF ANO by : Chuan Cheng

Download or read book ELECTRO-CHEMO-MECHANICS OF ANO written by Chuan Cheng and published by Open Dissertation Press. This book was released on 2017-01-26 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Electro-chemo-mechanics of Anodic Porous Alumina Nano-honeycombs: Self-ordered Growth and Actuation" by Chuan, Cheng, 程川, 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: Self-ordered anodic porous alumina with a nano-honeycomb structure has recently been extensively used as templates for the synthesis of various nanomaterials for diverse applications. However, due to the insufficient knowledge on the combined electro-chemo-mechanical processes, the formation mechanism of self-ordering has been under debate for decades without clear conclusions. Also, fast fabrication of highly self-ordered and mechanically stable anodic porous alumina is still a challenge. Furthermore, the actuation behavior of anodic porous alumina upon external mechanical and electrical triggering in an electrochemical cell has not been exploited. In this work, firstly, we investigated the self-ordering mechanism by establishing a kinetics model involving the Laplacian electric potential distribution and a continuity equation for current density within the oxide body. Current densities governed by the Cabrera-Mott equation are formed by ion migration within the oxide as well as across the interfaces. The pore channel growth, due to electric-field-assisted reactions, is governed by Faraday's law. Real-time evolution of pre-patterned pore channel growth was simulated in two-dimensional cases by finite element method. The simulations revealed a parameter domain within which pre-patterned pore channels will continue to grow in a stable manner during the subsequent anodization if the pre-patterns are commensurate with the self-ordered configurations, or these are driven into stable if the pre-patterns do not initially match the self-ordered configurations. This was verified in experimentally observed pore channel growth under the guidance of pre-patterns made by focused-ion-beam milling. Furthermore, the simulations revealed that ionization reaction on (001) oriented Al grain is relatively easier than that on (101) grain, which results in stable and unstable pore channel growth on (001) and (101) Al grains, respectively, both of which were observed from the simulations and experiments. Secondly, a scheme on quantitative evaluation of self-ordering qualities in anodic porous alumina has been developed, based on which we systematically searched the optimum self-ordering conditions, by varying the key anodization factors, including substrate grain orientation, electrolyte concentration, temperature, voltage, and time. A high acid concentration and high temperature anodization method was found. Compared with conventional methods, the present method can realize fast formation of highly self-ordered, and mechanically stable anodic porous alumina under a continuous range of anodization voltage with tunable interpore distances. Thirdly, reversible bending was found in anodic porous alumina-Al composites upon cyclic electric actuation, as directly observed by an optical microscope and detected by in situ nanoindentation. The bending is thought to be the result of charge-induced surface stresses in the nanoporous alumina. The results suggest a new type of composite materials for applications as micro-scale actuators to transform electrical energy into mechanical energy. Furthermore, the composite exhibits significant softening during in situ nanoindentation when the estimated maximum stress underneath the indenter is exerted on the metal/oxide interface. Softening was further verified by in situ microindentation. Electron microscopy examination indicated that the softeni

Nanoporous Alumina

Author : Dusan Losic
Publisher : Springer
ISBN 13 : 3319203347
Total Pages : 371 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Nanoporous Alumina by : Dusan Losic

Download or read book Nanoporous Alumina written by Dusan Losic and published by Springer. This book was released on 2015-07-17 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives detailed information about the fabrication, properties and applications of nanoporous alumina. Nanoporous anodic alumina prepared by low-cost, simple and scalable electrochemical anodization process due to its unique structure and properties have attracted several thousand publications across many disciplines including nanotechnology, materials science, engineering, optics, electronics and medicine. The book incorporates several themes starting from the understanding fundamental principles of the formation nanopores and theoretical models of the pore growth. The book then focuses on describing soft and hard modification techniques for surface and structural modification of pore structures to tailor specific sensing, transport and optical properties of nano porous alumina required for diverse applications. These broad applications including optical biosensing, electrochemical DNA biosensing, molecular separation, optofluidics and drug delivery are reviewed in separated book chapters. The book appeals to researchers, industry professionals and high-level students.

Nanostructured Materials in Electrochemistry

Author : Ali Eftekhari
Publisher : John Wiley & Sons
ISBN 13 : 3527621512
Total Pages : 489 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Nanostructured Materials in Electrochemistry by : Ali Eftekhari

Download or read book Nanostructured Materials in Electrochemistry written by Ali Eftekhari and published by John Wiley & Sons. This book was released on 2008-06-25 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing the unique and vital link between the worlds of electrochemistry and nanomaterials, this reference and handbook covers advances in electrochemistry through the nanoscale control of electrode structures, as well as advances in nanotechnology through electrochemical synthesis strategies. It demonstrates how electrochemical methods are of great scientific and commercial interest due to their low cost and high efficiency, and includes the synthesis of nanowires, nanoparticles, nanoporous and layered nanomaterials of various compositions, as well as their applications -- ranging from superior electrode materials to energy storage, biosensors, and electroanalytical devices.

State-of-the-Art Program on Compound Semiconductors : (SOTAPOCS XLII) and Processes at the Compound-Semiconductor/Solution Interface

Author : P. C. Chang
Publisher : The Electrochemical Society
ISBN 13 : 9781566774628
Total Pages : 500 pages
Book Rating : 4.7/5 (746 download)

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Book Synopsis State-of-the-Art Program on Compound Semiconductors : (SOTAPOCS XLII) and Processes at the Compound-Semiconductor/Solution Interface by : P. C. Chang

Download or read book State-of-the-Art Program on Compound Semiconductors : (SOTAPOCS XLII) and Processes at the Compound-Semiconductor/Solution Interface written by P. C. Chang and published by The Electrochemical Society. This book was released on 2005 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nanostructured Semiconductors in Porous Alumina Matrices

Author : Rishat G. Valeev
Publisher :
ISBN 13 : 9781771887762
Total Pages : 0 pages
Book Rating : 4.8/5 (877 download)

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Book Synopsis Nanostructured Semiconductors in Porous Alumina Matrices by : Rishat G. Valeev

Download or read book Nanostructured Semiconductors in Porous Alumina Matrices written by Rishat G. Valeev and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book, Nanostructured Semiconductors in Porous Alumina Matrices: Modeling, Synthesis, and Properties, explores new developments in the modeling, synthesis, and properties of functional semiconductor nanostructures in porous anodic alumina matrices. The book focuses on luminescent nanoparticles in organic and inorganic dielectric matrixes, specifically in porous alumina films, as these are most relevant due to their capacity for particle division and ability to provide environmental protection. With a particular emphasis on experimental and theoretical studies of the synthesis processes, the book informs readers about these nanostructures through rigorous investigation of their properties. The book, which is divided into ten chapters, begins with a discussion of the existing literature on nanostructural electroluminescent light sources (ELS). This overview establishes a foundation for the remaining nine chapters, which explore in depth many facets of nanostructured materials: their composition, processes they undergo, how they may be implemented, etc. Within these chapters, experimental studies and results are incorporated, in addition to detailed descriptions of simulations that highlight different uses of these materials. The book also includes mathematical models of nanofilm formation to better illustrate the processes in question. Throughout the book, there is a large focus on outlining the formation of functional semiconductor nanostructures. The book concludes with research that emphasizes the results of simulation and experimental investigation and uses these findings to consider the trajectory for future research. Nanostructured Semiconductors in Porous Alumina Matrices will be especially helpful for professors, researchers, and students who wish to further explore the field. It also provides substantial information to engineers working in the field of nanotechnology, as well as to other individuals expressing interest in this topic."--

Electrocrystallization in Nanotechnology

Author : Georgi T. Staikov
Publisher : John Wiley & Sons
ISBN 13 : 3527610200
Total Pages : 279 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Electrocrystallization in Nanotechnology by : Georgi T. Staikov

Download or read book Electrocrystallization in Nanotechnology written by Georgi T. Staikov and published by John Wiley & Sons. This book was released on 2007-02-27 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, the well-known editor in the field of electrocrystallization and his team of excellent international authors guarantee the high quality of the contributions. Clearly structured in two main parts, this book reviews the fundamentals and applications of electrocrystallization processes in nanotechnology. The first part, "Fundamentals" covers the basic concepts of electrocrystallization, computer simulations of low-dimensional metal phase formation, electrodeposition in templates and nanocavities, nanoscale electrocrystallization from ionic liquids, and superconformal electrodeposition of metals. The second part, "Preparation and properties of nanostructures", includes nanostructuring by STM tip induced localized electrocrystallization of metals, fabrication of ordered anodic nanoporous Al2O3 layers and their application, preparation of nanogaps, nanocontacts, nanowires and nanodots by selective electrochemical deposition, as well as electrodeposition of magnetic nanostructures and multilayers

Electro-Chemo-Mechanics of Anodic Porous Alumina Nano-Honeycombs: Self-Ordered Growth and Actuation

Author : Chuan Cheng
Publisher :
ISBN 13 : 9783662472699
Total Pages : pages
Book Rating : 4.4/5 (726 download)

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Book Synopsis Electro-Chemo-Mechanics of Anodic Porous Alumina Nano-Honeycombs: Self-Ordered Growth and Actuation by : Chuan Cheng

Download or read book Electro-Chemo-Mechanics of Anodic Porous Alumina Nano-Honeycombs: Self-Ordered Growth and Actuation written by Chuan Cheng and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, real-time evolution of the nanopore channel growth and self-ordering process in anodic nanoporous alumina are simulated on the basis of an established kinetics model. The simulation results were in accordance with the experiments on the (i) growth sustainability of pore channels guided by pre-patterns; and (ii) substrate grain orientation dependence on self-ordering. In addition, a new fabrication method for the rapid synthesis of highly self-ordered nanoporous alumina is established, based on a systematic search for the self-ordering conditions in experiments. Lastly, it reports on a novel surface-charge induced strain in nanoporous alumina-aluminium foils, which indicates that nanoporous alumina can be used as a new type of actuating material in micro-actuator applications.

4th International Conference on Biomedical Engineering in Vietnam

Author : Vo Van Toi
Publisher : Springer Science & Business Media
ISBN 13 : 3642321836
Total Pages : 425 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis 4th International Conference on Biomedical Engineering in Vietnam by : Vo Van Toi

Download or read book 4th International Conference on Biomedical Engineering in Vietnam written by Vo Van Toi and published by Springer Science & Business Media. This book was released on 2012-09-20 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the proceedings of the Fourth International Conference on the Development of Biomedical Engineering in Vietnam which was held in Ho Chi Minh City as a Mega-conference. It is kicked off by the Regenerative Medicine Conference with the theme “BUILDING A FACE” USING A REGENERATIVE MEDICINE APPROACH”, endorsed mainly by the Tissue Engineering and Regenerative Medicine International Society (TERMIS). It is followed by the Computational Medicine Conference, endorsed mainly by the Computational Surgery International Network (COSINE) and the Computational Molecular Medicine of German National Funding Agency; and the General Biomedical Engineering Conference, endorsed mainly by the International Federation for Medical and Biological Engineering (IFMBE). It featured the contributions of 435 scientists from 30 countries, including: Australia, Austria, Belgium, Canada, China, Finland, France, Germany, Hungary, India, Iran, Italy, Japan, Jordan, Korea, Malaysia, Netherlands, Pakistan, Poland, Russian Federation, Singapore, Spain, Switzerland, Taiwan, Turkey, Ukraine, United Kingdom, United States, Uruguay and Viet Nam.

Renewable Energies for Central Asia Countries: Economic, Environmental and Social Impacts

Author : Aldo Iacomelli
Publisher : Springer Science & Business Media
ISBN 13 : 1402039263
Total Pages : 198 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Renewable Energies for Central Asia Countries: Economic, Environmental and Social Impacts by : Aldo Iacomelli

Download or read book Renewable Energies for Central Asia Countries: Economic, Environmental and Social Impacts written by Aldo Iacomelli and published by Springer Science & Business Media. This book was released on 2006-07-02 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: New technologies will play a crucial role in the development of a market of "sustainable energy products" that should grow in a competitive way to stand against the challenge of change. This book suggests learn from Central Asian countries the potentiality of renewable in such areas as an option. The book investigates policy option for new markets for renewable technology, and it tests the economic path for the Kyoto protocol implementation.

One-dimensional Nanostructures for PEM Fuel Cell Applications

Author : Shangfeng Du
Publisher : Academic Press
ISBN 13 : 0128111135
Total Pages : 97 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis One-dimensional Nanostructures for PEM Fuel Cell Applications by : Shangfeng Du

Download or read book One-dimensional Nanostructures for PEM Fuel Cell Applications written by Shangfeng Du and published by Academic Press. This book was released on 2017-08-07 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: One-dimensional Nanostructures for PEM Fuel Cell Applications provides a review of the progress made in 1D catalysts for applications in polymer electrolyte fuel cells. It highlights the improved understanding of catalytic mechanisms on 1D nanostructures and the new approaches developed for practical applications, also including a critical perspective on current research limits. The book serves as a reference for the design and development of a new generation of catalysts to assist in the realization of successful commercial use that have the potential to decarbonize the domestic heat and transport sectors. In addition, a further commercialization of this technology requires advanced catalysts to address major obstacles faced by the commonly used Pt/C nanoparticles. The unique structure of one-dimensional nanostructures give them advantages to overcome some drawbacks of Pt/C nanoparticles as a new type of excellent catalysts for fuel cell reactions. In recent years, great efforts have been devoted in this area, and much progress has been achieved. Provides a review of 1D catalysts for applications in polymer electrolyte fuel cells Presents an ideal reference for the design and development of a new generation of catalysts to assist in the realization of successful commercial use Highlights the progress made in recent years in this emerging field

From MEMS to Bio-MEMS and Bio-NEMS

Author : Marc J. Madou
Publisher : CRC Press
ISBN 13 : 1439895244
Total Pages : 650 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis From MEMS to Bio-MEMS and Bio-NEMS by : Marc J. Madou

Download or read book From MEMS to Bio-MEMS and Bio-NEMS written by Marc J. Madou and published by CRC Press. This book was released on 2011-06-13 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: From MEMS to Bio-MEMS and Bio-NEMS: Manufacturing Techniques and Applications details manufacturing techniques applicable to bionanotechnology. After reviewing MEMS techniques, materials, and modeling, the author covers nanofabrication, genetically engineered proteins, artificial cells, nanochemistry, and self-assembly. He also discusses scaling la

Organic Ferroelectric Materials and Applications

Author : Kamal Asadi
Publisher : Woodhead Publishing
ISBN 13 : 0128215526
Total Pages : 642 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Organic Ferroelectric Materials and Applications by : Kamal Asadi

Download or read book Organic Ferroelectric Materials and Applications written by Kamal Asadi and published by Woodhead Publishing. This book was released on 2021-10-27 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic Ferroelectric Materials and Applications aims to bring an up-to date account of the field with discussion of recent findings. This book presents an interdisciplinary resource for scientists from both academia and industry on the science and applications of molecular organic piezo- and ferroelectric materials. The book addresses the fundamental science of ferroelectric polymers, molecular crystals, supramolecular networks, and other key and emerging organic materials systems. It touches on important processing and characterization methods and provides an overview of current and emerging applications of organic piezoelectrics and ferroelectrics for electronics, sensors, energy harvesting, and biomedical technologies. Organic Ferroelectric Materials and Applications will be of special interest to those in academia or industry working in materials science, engineering, chemistry, and physics. Provides an overview of key physical properties of the emerging piezoelectric and ferroelectric molecular and supramolecular systems Discusses best practices of processing, patterning, and characterization methods and techniques Addresses current and emerging applications for electronics, materials development, sensors, energy harvesting, and biomedical technologies

Comprehensive Semiconductor Science and Technology

Author :
Publisher : Newnes
ISBN 13 : 0080932282
Total Pages : 3572 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Comprehensive Semiconductor Science and Technology by :

Download or read book Comprehensive Semiconductor Science and Technology written by and published by Newnes. This book was released on 2011-01-28 with total page 3572 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductors are at the heart of modern living. Almost everything we do, be it work, travel, communication, or entertainment, all depend on some feature of semiconductor technology. Comprehensive Semiconductor Science and Technology, Six Volume Set captures the breadth of this important field, and presents it in a single source to the large audience who study, make, and exploit semiconductors. Previous attempts at this achievement have been abbreviated, and have omitted important topics. Written and Edited by a truly international team of experts, this work delivers an objective yet cohesive global review of the semiconductor world. The work is divided into three sections. The first section is concerned with the fundamental physics of semiconductors, showing how the electronic features and the lattice dynamics change drastically when systems vary from bulk to a low-dimensional structure and further to a nanometer size. Throughout this section there is an emphasis on the full understanding of the underlying physics. The second section deals largely with the transformation of the conceptual framework of solid state physics into devices and systems which require the growth of extremely high purity, nearly defect-free bulk and epitaxial materials. The last section is devoted to exploitation of the knowledge described in the previous sections to highlight the spectrum of devices we see all around us. Provides a comprehensive global picture of the semiconductor world Each of the work's three sections presents a complete description of one aspect of the whole Written and Edited by a truly international team of experts