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Author : Miha Možina
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (439 download)
Download or read book Ultraviolet detectors based on gallium nitride and aluminium nitride written by Miha Možina and published by . This book was released on 2007 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 55 pages
Book Rating : 4.:/5 (227 download)
Download or read book Nitride Semiconductors for Ultraviolet Detection written by and published by . This book was released on 1992 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin films of GaN and AlxGal-xN have been deposited by modified gas source MBE on alpha(6H)SiC(0001) and sapphire(0001). The values of x ranged from 0 to 1 in intervals of 0.2, as determined scanning Auger spectrometry. Simple UV photo detectors were produced and tested. The gains in the detectors was 10-20 at a bias voltage of 5 volts. The photocurrents for the solid solution detectors were much larger than for the pure GaN. Intrinsic, Mg p-type and Si n-type doped GaN films have also been achieved during growth. GaN thin films have also been achieved via atomic layer epitaxy on SiC substrates from triethy gallium and ammonia. Additional efforts have been channeled to develop luminescence facilities operative in the blue-UV wavelength range, ion implantation and contact studies and reactive ion etching facilities for GaN and AIN studies ... Thin films, GaN, AlGaN solid solutions, gas source MBE, SiC(000I), sapphire(0001), photodetectors, p-type GaN, n-type GaN, ion implantation, reactive ion etching.
Author : Xin Tong
Publisher : Springer Nature
ISBN 13 : 3030742709
Total Pages : 319 pages
Book Rating : 4.0/5 (37 download)
Download or read book Quantum Dot Photodetectors written by Xin Tong and published by Springer Nature. This book was released on 2021-09-17 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive overview of state-of-the-art quantum dot photodetectors, including device fabrication technologies, optical engineering/manipulation strategies, and emerging photodetectors with building blocks of novel quantum dots (e.g. perovskite) as well as their hybrid structured (e.g. 0D/2D) materials. Semiconductor quantum dots have attracted much attention due to their unique quantum confinement effect, which allows for the facile tuning of optical properties that are promising for next-generation optoelectronic applications. Among these remarkable properties are large absorption coefficient, high photosensitivity, and tunable optical spectrum from ultraviolet/visible to infrared region, all of which are very attractive and favorable for photodetection applications. The book covers both fundamental and frontier research in order to stimulate readers' interests in developing novel ideas for semiconductor photodetectors at the center of future developments in materials science, nanofabrication technology and device commercialization. The book provides a knowledge sharing platform and can be used as a reference for researchers working in the fields of photonics, materials science, and nanodevices.
Author : Li He
Publisher : Springer
ISBN 13 : 3662527189
Total Pages : 698 pages
Book Rating : 4.6/5 (625 download)
Download or read book Technology for Advanced Focal Plane Arrays of HgCdTe and AlGaN written by Li He and published by Springer. This book was released on 2016-07-15 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the basic framework of advanced focal plane technology based on the third-generation infrared focal plane concept. The essential concept, research advances, and future trends in advanced sensor arrays are comprehensively reviewed. Moreover, the book summarizes recent research advances in HgCdTe/AlGaN detectors for the infrared/ultraviolet waveband, with a particular focus on the numerical method of detector design, material epitaxial growth and processing, as well as Complementary Metal-Oxide-Semiconductor Transistor readout circuits. The book offers a unique resource for all graduate students and researchers interested in the technologies of focal plane arrays or electro-optical imaging sensors.
Author : Simon Aldridge
Publisher : John Wiley & Sons
ISBN 13 : 0470681918
Total Pages : 763 pages
Book Rating : 4.4/5 (76 download)
Download or read book The Group 13 Metals Aluminium, Gallium, Indium and Thallium written by Simon Aldridge and published by John Wiley & Sons. This book was released on 2011-04-11 with total page 763 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last two decades have seen a renaissance in interest in the chemistry of the main group elements. In particular research on the metals of group 13 (aluminium, gallium, indium and thallium) has led to the synthesis and isolation of some very novel and unusual molecules, with implications for organometallic synthesis, new materials development, and with biological, medical and, environmental relevance. The Group 13 Metals Aluminium, Gallium, Indium and Thallium aims to cover new facts, developments and applications in the context of more general patterns of physical and chemical behaviour. Particular attention is paid to the main growth areas, including the chemistry of lower formal oxidation states, cluster chemistry, the investigation of solid oxides and hydroxides, advances in the formation of III-V and related compounds, the biological significance of Group 13 metal complexes, and the growing importance of the metals and their compounds in the mediation of organic reactions. Chapters cover: general features of the group 13 elements group 13 metals in the +3 oxidation state: simple inorganic compounds formal oxidation state +3: organometallic chemistry formal oxidation state +2: metal-metal bonded vs. mononuclear derivatives group 13 metals in the +1 oxidation state mixed or intermediate valence group 13 metal compounds aluminium and gallium clusters: metalloid clusters and their relation to the bulk phases, to naked clusters, and to nanoscaled materials simple and mixed metal oxides and hydroxides: solids with extended structures of different dimensionalities and porosities coordination and solution chemistry of the metals: biological, medical and, environmental relevance III-V and related semiconductor materials group 13 metal-mediated organic reactions The Group 13 Metals Aluminium, Gallium, Indium and Thallium provides a detailed, wide-ranging, and up-to-date review of the chemistry of this important group of metals. It will find a place on the bookshelves of practitioners, researchers and students working in inorganic, organometallic, and materials chemistry.
Author :
Publisher : Pawel E. Malinowski
ISBN 13 : 9460183735
Total Pages : 181 pages
Book Rating : 4.4/5 (61 download)
Download or read book III-N Ultraviolet Detectors for Space Applications written by and published by Pawel E. Malinowski. This book was released on with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K.V.S.S.S.S. Sairam
Publisher : Firewall Media
ISBN 13 : 9788131802427
Total Pages : 188 pages
Book Rating : 4.8/5 (24 download)
Download or read book Optical Communications written by K.V.S.S.S.S. Sairam and published by Firewall Media. This book was released on 2007 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: The integration of data, video and voice types of communication services with a factor called bandwidth, brought optical communications towards an emerging technology.
Author : Chunlei Guo
Publisher : CRC Press
ISBN 13 : 131538955X
Total Pages : 563 pages
Book Rating : 4.3/5 (153 download)
Download or read book Handbook of Laser Technology and Applications written by Chunlei Guo and published by CRC Press. This book was released on 2021-06-23 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive handbook gives a fully updated guide to lasers and laser technologies, including the complete range of their technical applications. The first volume outlines the fundamental components of lasers, their properties, and working principles. Key Features: • Offers a complete update of the original, bestselling work, including many brand-new chapters. • Deepens the introduction to fundamentals, from laser design and fabrication to host matrices for solid-state lasers, energy level diagrams, hosting materials, dopant energy levels, and lasers based on nonlinear effects. • Covers new laser types, including quantum cascade lasers, silicon-based lasers, titanium sapphire lasers, terahertz lasers, bismuth-doped fiber lasers, and diode-pumped alkali lasers. • Discusses the latest applications, e.g., lasers in microscopy, high-speed imaging, attosecond metrology, 3D printing, optical atomic clocks, time-resolved spectroscopy, polarization and profile measurements, pulse measurements, and laser-induced fluorescence detection. • Adds new sections on laser materials processing, laser spectroscopy, lasers in imaging, lasers in environmental sciences, and lasers in communications. This handbook is the ideal companion for scientists, engineers, and students working with lasers, including those in optics, electrical engineering, physics, chemistry, biomedicine, and other relevant areas.
Author : Stephen J. Pearton
Publisher : CRC Press
ISBN 13 : 1000448428
Total Pages : 556 pages
Book Rating : 4.0/5 (4 download)
Download or read book GaN and Related Materials written by Stephen J. Pearton and published by CRC Press. This book was released on 2021-10-08 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents views on current developments in heat and mass transfer research related to the modern development of heat exchangers. Devotes special attention to the different modes of heat and mass transfer mechanisms in relation to the new development of heat exchangers design. Dedicates particular attention to the future needs and demands for further development in heat and mass transfer. GaN and related materials are attracting tremendous interest for their applications to high-density optical data storage, blue/green diode lasers and LEDs, high-temperature electronics for high-power microwave applications, electronics for aerospace and automobiles, and stable passivation films for semiconductors. In addition, there is great scientific interest in the nitrides, because they appear to form the first semiconductor system in which extended defects do not severely affect the optical properties of devices. This series provides a forum for the latest research in this rapidly-changing field, offering readers a basic understanding of new developments in recent research. Series volumes feature a balance between original theoretical and experimental research in basic physics, device physics, novel materials and quantum structures, processing, and systems.
Author : Michael Kneissl
Publisher : Springer
ISBN 13 : 3319241001
Total Pages : 454 pages
Book Rating : 4.3/5 (192 download)
Download or read book III-Nitride Ultraviolet Emitters written by Michael Kneissl and published by Springer. This book was released on 2015-11-12 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of the state-of-the-art in group III-nitride based ultraviolet LED and laser technologies, covering different substrate approaches, a review of optical, electronic and structural properties of InAlGaN materials as well as various optoelectronic components. In addition, the book gives an overview of a number of key application areas for UV emitters and detectors, including water purification, phototherapy, sensing, and UV curing. The book is written for researchers and graduate level students in the area of semiconductor materials, optoelectronics and devices as well as developers and engineers in the various application fields of UV emitters and detectors.
Author : Thorsten Wethkamp
Publisher :
ISBN 13 : 9783933346629
Total Pages : 88 pages
Book Rating : 4.3/5 (466 download)
Download or read book Optical Properties of Group III Nitrides in the Visible to Vacuum Ultraviolet Spectral Range Investigated by Spectroscopic Ellipsometry written by Thorsten Wethkamp and published by . This book was released on 1999 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 974 pages
Book Rating : 4.F/5 ( download)
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Jamil Alwan
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (328 download)
Download or read book Thermal and Photochemical Vapor Deposition of Aluminum Nitride and Gallium Nitride written by James Jamil Alwan and published by . This book was released on 1994 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Currently, the optical spectrum of the III-V compound semiconductors has been largely confined, with a few notable exceptions, to the visible red-orange to infrared portion of the electromagnetic spectrum ($sim$650 nm to $sim$1550 nm). The AlGaN material system may be able to extend this range to the visible green, blue and even ultraviolet regions. The current status of work on the column III-nitride system of compound semiconductors is reviewed with special attention given to the material challenges presently limiting sophisticated device development. Furthermore, the organometallic vapor phase epitaxy (OMVPE) method of growing these materials is discussed in detail in terms of process physics and reactor design and operation. Fundamental characteristics of the OMVPE growth of AlN and GaN on sapphire substrates at low temperatures and pressures are presented. The precursor adsorption and nucleation behavior was investigated. A model of dissociative adsorption is developed to explain the observed trends. The use of thin AlN buffer layers to improve nucleation and crystallinity of GaN layers is presented and discussed. The OMVPE growth of these materials was further investigated via the introduction of UV radiation to the chamber during growth. The results of growth under such conditions are presented and discussed. A model of ammonia photolysis is developed and presented, which describes the photochemical growth effects observed and suggests a mechanism of nitrogen incorporation in thermal OMVPE growth of AlN and GaN.
Author :
Publisher :
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ceramic Abstracts written by and published by . This book was released on 2000 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Newnes
ISBN 13 : 0080932282
Total Pages : 3572 pages
Book Rating : 4.0/5 (89 download)
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
Author :
Publisher :
ISBN 13 :
Total Pages : 428 pages
Book Rating : 4.3/5 (91 download)
Download or read book Photodetectors written by and published by . This book was released on 2000 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jian-Jang Huang
Publisher : Woodhead Publishing
ISBN 13 : 0857099302
Total Pages : 673 pages
Book Rating : 4.8/5 (57 download)
Download or read book Nitride Semiconductor Light-Emitting Diodes (LEDs) written by Jian-Jang Huang and published by Woodhead Publishing. This book was released on 2014-02-14 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of nitride-based light-emitting diodes (LEDs) has led to advancements in high-brightness LED technology for solid-state lighting, handheld electronics, and advanced bioengineering applications. Nitride Semiconductor Light-Emitting Diodes (LEDs) reviews the fabrication, performance, and applications of this technology that encompass the state-of-the-art material and device development, and practical nitride-based LED design considerations. Part one reviews the fabrication of nitride semiconductor LEDs. Chapters cover molecular beam epitaxy (MBE) growth of nitride semiconductors, modern metalorganic chemical vapor deposition (MOCVD) techniques and the growth of nitride-based materials, and gallium nitride (GaN)-on-sapphire and GaN-on-silicon technologies for LEDs. Nanostructured, non-polar and semi-polar nitride-based LEDs, as well as phosphor-coated nitride LEDs, are also discussed. Part two covers the performance of nitride LEDs, including photonic crystal LEDs, surface plasmon enhanced LEDs, color tuneable LEDs, and LEDs based on quantum wells and quantum dots. Further chapters discuss the development of LED encapsulation technology and the fundamental efficiency droop issues in gallium indium nitride (GaInN) LEDs. Finally, part three highlights applications of nitride LEDs, including liquid crystal display (LCD) backlighting, infrared emitters, and automotive lighting. Nitride Semiconductor Light-Emitting Diodes (LEDs) is a technical resource for academics, physicists, materials scientists, electrical engineers, and those working in the lighting, consumer electronics, automotive, aviation, and communications sectors. Reviews fabrication, performance, and applications of this technology that encompass the state-of-the-art material and device development, and practical nitride-based LED design considerations Covers the performance of nitride LEDs, including photonic crystal LEDs, surface plasmon enhanced LEDs, color tuneable LEDs, and LEDs based on quantum wells and quantum dots Highlights applications of nitride LEDs, including liquid crystal display (LCD) backlighting, infra-red emitters, and automotive lighting
