Preparation And Optical Energy Gap Of Epitaxial Films Of Inas1 Xpx Alloys

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Preparation and Optical Energy Gap of Epitaxial Films of InAs1-xPx Alloys

Author : Richard N. Brown
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Preparation and Optical Energy Gap of Epitaxial Films of InAs1-xPx Alloys by : Richard N. Brown

Download or read book Preparation and Optical Energy Gap of Epitaxial Films of InAs1-xPx Alloys written by Richard N. Brown and published by . This book was released on 1974 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fast, sensitive infrared detectors operating in the visible to 3 micrometers range are required by the Air Force for use in ranging, communication, illumination, and target designation systems. The InAs(1-x)P(x) alloy system is an attractive candidate for fulfilling these needs, since it has the potential for use in the preparation of intrinsic infrared detectors with precisely determined peak response wavelengths over the entire range from 0.92 to 3.5 micrometers. This is accomplished by variation of the composition of the alloy, which is accompanied by a corresponding variation in the optical energy gap. Films of InAs, InP and several alloys, InAs(1-x)P(x), where x ranged from 0.034 to 0.774, were deposited by vapor phase epitaxy onto GaAs substrates. The fundamental absorption edge of each compound was measured. The temperature coefficient of the energy gap was also evaluated as a function of composition. (Modified author abstract).

Preparation and Optical Energy Gap of Epitaxial Films of InAs1-xPx Alloys

Author : Richard N. Brown
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)

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Book Synopsis Preparation and Optical Energy Gap of Epitaxial Films of InAs1-xPx Alloys by : Richard N. Brown

Download or read book Preparation and Optical Energy Gap of Epitaxial Films of InAs1-xPx Alloys written by Richard N. Brown and published by . This book was released on 1974 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fast, sensitive infrared detectors operating in the visible to 3 micrometers range are required by the Air Force for use in ranging, communication, illumination, and target designation systems. The InAs(1-x)P(x) alloy system is an attractive candidate for fulfilling these needs, since it has the potential for use in the preparation of intrinsic infrared detectors with precisely determined peak response wavelengths over the entire range from 0.92 to 3.5 micrometers. This is accomplished by variation of the composition of the alloy, which is accompanied by a corresponding variation in the optical energy gap. Films of InAs, InP and several alloys, InAs(1-x)P(x), where x ranged from 0.034 to 0.774, were deposited by vapor phase epitaxy onto GaAs substrates. The fundamental absorption edge of each compound was measured. The temperature coefficient of the energy gap was also evaluated as a function of composition. (Modified author abstract)

The Analysis of Optical Surface Scattering from Epitaxial Films

Author : Richard N. Brown
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Analysis of Optical Surface Scattering from Epitaxial Films by : Richard N. Brown

Download or read book The Analysis of Optical Surface Scattering from Epitaxial Films written by Richard N. Brown and published by . This book was released on 1973 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: An expression has been derived for the transmission of infrared radiation through epitaxial films having a mat surface, which takes into account the scattering at the surface. This has been applied to the analysis of measurements of the fundamental absorption edge of epitaxial films of InAs. The results of this application include the evaluation of the intensity of the scattered light for several InAs films, and good agreement with published values of the absorption coefficient. (Author).

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 970 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1975 with total page 970 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Preparation and Optical Properties of Epitaxial Thin Films of Some Ii-vi Semiconducting Compounds

Author : Rudolf Ludeke
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Preparation and Optical Properties of Epitaxial Thin Films of Some Ii-vi Semiconducting Compounds by : Rudolf Ludeke

Download or read book Preparation and Optical Properties of Epitaxial Thin Films of Some Ii-vi Semiconducting Compounds written by Rudolf Ludeke and published by . This book was released on 1968 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work describes mainly the preparation and optical properties of epitaxial thin films of some II-IV semiconducting compounds. In addition optical modulation experiments on both thin film and bulk samples are reported. Epitaxial thin films of CdTe, HgTe, the alloy system CdxHg1-xTe, and CdSe were prepared by a flash evaporation technique on BaF2 substrates. The effects of various deposition parameters on the electron diffraction and optical structures of CdTe and CdSe were analyzed in detail. Optical transmission measurements on the epitaxial thin films were made at room and liquid nitrogen temperatures in the spectral region from 2 to 6 eV. Two novel approaches of optical modulation methods were pursued: piezo-transmission on Ge and CdTe polycrystalline films and electroreflectivity on bulk CdTe using an integral sandwich technique. Both methods were used down to liquid helium temperatures.

Heterojunctions and Metal Semiconductor Junctions

Author : A.G. Milnes
Publisher : Elsevier
ISBN 13 : 0323141366
Total Pages : 430 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Heterojunctions and Metal Semiconductor Junctions by : A.G. Milnes

Download or read book Heterojunctions and Metal Semiconductor Junctions written by A.G. Milnes and published by Elsevier. This book was released on 2012-12-02 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterojunctions and Metal-Semiconductor Junctions discusses semiconductor-semiconductor heterojunctions and metal-semiconductor heterojunctions, which are of significant practical importance today and also of considerable scientific interest, with worthwhile problems still to be explored and understood. Many classes of heterojunctions are believed to have new and valuable applications. Although some aspects of heterojunction behavior remain areas for continued scientific and technological study, the main outlines of the subject are clear. This book comprises nine chapters, and begins with an introduction to semiconductor heterojunctions. Succeeding chapters then discuss semiconductor p-n heterojunction models and diode behavior; heterojunction transistors; isotype (n-n, p-p) heterojunctions; optical properties of heterojunctions and heterojunction lasers; metal-semiconductor barriers; metal-semiconductor junction behavior; high yield photoemissive cathodes; and fabrication of heterojunctions. This book will be of interest to practitioners in the fields of applied physics.

Metalorganic Vapor Phase Epitaxy (MOVPE)

Author : Stuart Irvine
Publisher : John Wiley & Sons
ISBN 13 : 111931304X
Total Pages : 584 pages
Book Rating : 4.1/5 (193 download)

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Book Synopsis Metalorganic Vapor Phase Epitaxy (MOVPE) by : Stuart Irvine

Download or read book Metalorganic Vapor Phase Epitaxy (MOVPE) written by Stuart Irvine and published by John Wiley & Sons. This book was released on 2019-08-27 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systematically discusses the growth method, material properties, and applications for key semiconductor materials MOVPE is a chemical vapor deposition technique that produces single or polycrystalline thin films. As one of the key epitaxial growth technologies, it produces layers that form the basis of many optoelectronic components including mobile phone components (GaAs), semiconductor lasers and LEDs (III-Vs, nitrides), optical communications (oxides), infrared detectors, photovoltaics (II-IV materials), etc. Featuring contributions by an international group of academics and industrialists, this book looks at the fundamentals of MOVPE and the key areas of equipment/safety, precursor chemicals, and growth monitoring. It covers the most important materials from III-V and II-VI compounds to quantum dots and nanowires, including sulfides and selenides and oxides/ceramics. Sections in every chapter of Metalorganic Vapor Phase Epitaxy (MOVPE): Growth, Materials Properties and Applications cover the growth of the particular materials system, the properties of the resultant material, and its applications. The book offers information on arsenides, phosphides, and antimonides; nitrides; lattice-mismatched growth; CdTe, MCT (mercury cadmium telluride); ZnO and related materials; equipment and safety; and more. It also offers a chapter that looks at the future of the technique. Covers, in order, the growth method, material properties, and applications for each material Includes chapters on the fundamentals of MOVPE and the key areas of equipment/safety, precursor chemicals, and growth monitoring Looks at important materials such as III-V and II-VI compounds, quantum dots, and nanowires Provides topical and wide-ranging coverage from well-known authors in the field Part of the Materials for Electronic and Optoelectronic Applications series Metalorganic Vapor Phase Epitaxy (MOVPE): Growth, Materials Properties and Applications is an excellent book for graduate students, researchers in academia and industry, as well as specialist courses at undergraduate/postgraduate level in the area of epitaxial growth (MOVPE/ MOCVD/ MBE).

Thin Films by Chemical Vapour Deposition

Author : C.E. Morosanu
Publisher : Elsevier
ISBN 13 : 1483291731
Total Pages : 720 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis Thin Films by Chemical Vapour Deposition by : C.E. Morosanu

Download or read book Thin Films by Chemical Vapour Deposition written by C.E. Morosanu and published by Elsevier. This book was released on 2016-06-22 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: The explosive growth in the semiconductor industry has caused a rapid evolution of thin film materials that lend themselves to the fabrication of state-of-the-art semiconductor devices. Early in the 1960s an old research technique named chemical vapour phase deposition (CVD), which has several unique advantages, developed into the most widely used technique for thin film preparation in electronics technology. In the last 25 years, tremendous advances have been made in the science and technology of thin films prepared by means of CVD. This book presents in a single volume, an up-to-date overview of the important field of CVD processes which has never been completely reviewed previously. Contents: Part I. 1. Evolution of CVD Films. Introductory remarks. Short history of CVD thin films. II. Fundamentals. 2. Techniques of Preparing Thin Films. Electrolytic deposition techniques. Vacuum deposition techniques. Plasma deposition techniques. Liquid-phase deposition techniques. Solid-phase deposition techniques. Chemical vapour conversion of substrate. Chemical vapour deposition. Comparison between CVD and other thin film deposition techniques. 3. Chemical Processes Used in CVD. Introduction. Description of chemical reactions used in CVD. 4. Thermodynamics of CVD. Feasibility of a CVD process. Techniques for equilibrium calculations in CVD systems. Examples of thermodynamic studies of CVD systems. 5. Kinetics of CVD. Steps and control type of a CVD heterogeneous reaction. Influence of experimental parameters on thin film deposition rate. Continuous measurement of the deposition rate. Experimental methods for studying CVD kinetics. Role of homogeneous reactions in CVD. Mechanism of CVD processes. Kinetics and mechanism of dopant incorporation. Transport phenomena in CVD. Status of kinetic and mechanism investigations in CVD systems. 6. Measurement of Thin Film Thickness. Mechanical methods. Mechanical-optical methods. Optical methods. Electrical methods. Miscellaneous methods. 7. Nucleation and Growth of CVD Films. Stages in the nucleation and growth mechanism. Regimes of nucleation and growth. Nucleation theory. Dependence of nucleation on deposition parameters. Heterogeneous nucleation and CVD film structural forms. Homogeneous nucleation. Experimental techniques. Experimental results of CVD film nucleation. 8. Thin Film Structure. Techniques for studying thin film structure. Structural defects in CVD thin films. 9. Analysis of CVD Films. Analysis techniques of thin film bulk. Analysis techniques of thin film surfaces. Film composition measurement. Depth concentration profiling. 10. Properties of CVD Films. Mechanical properties. Thermal properties. Optical properties. Photoelectric properties. Electrical properties. Magnetic properties. Chemical properties. Part III. 11. Equipment and Substrates. Equipment for CVD. Safety in CVD. Substrates. 12. Preparation and Properties of Semiconducting Thin Films. Homoepitaxial semiconducting films. Heteroepitaxial semiconducting films. 13. Preparation and Properties of Amorphous Insulating Thin Films. Oxides. Nitrides and Oxynitrides. Polymeric thin films. 14. Preparation and Properties of Conductive Thin Films. Metals and metal alloys. Resistor materials. Transparent conducting films. Miscellaneous materials. 15. Preparation and Properties of Superconducting and Magnetic Thin Films. Superconducting materials. Magnetic materials. 16. Uses of CVD Thin Films. Applications in electronics and microelectronics. Applications in the field of microwaves and optoelectronics. Miscellaneous applications. Artificial heterostructures (Quantum wells, superlattices, monolayers, two-dimensional electron gases). Part V. 17. Present and Future Importance of CVD Films.

CRC Critical Reviews in Solid State Sciences

Author : Chemical Rubber Company
Publisher :
ISBN 13 :
Total Pages : 698 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis CRC Critical Reviews in Solid State Sciences by : Chemical Rubber Company

Download or read book CRC Critical Reviews in Solid State Sciences written by Chemical Rubber Company and published by . This book was released on 1975 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Metalorganic Vapor Phase Epitaxy (MOVPE)

Author : Stuart Irvine
Publisher : John Wiley & Sons
ISBN 13 : 1119313015
Total Pages : 582 pages
Book Rating : 4.1/5 (193 download)

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Book Synopsis Metalorganic Vapor Phase Epitaxy (MOVPE) by : Stuart Irvine

Download or read book Metalorganic Vapor Phase Epitaxy (MOVPE) written by Stuart Irvine and published by John Wiley & Sons. This book was released on 2019-10-07 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systematically discusses the growth method, material properties, and applications for key semiconductor materials MOVPE is a chemical vapor deposition technique that produces single or polycrystalline thin films. As one of the key epitaxial growth technologies, it produces layers that form the basis of many optoelectronic components including mobile phone components (GaAs), semiconductor lasers and LEDs (III-Vs, nitrides), optical communications (oxides), infrared detectors, photovoltaics (II-IV materials), etc. Featuring contributions by an international group of academics and industrialists, this book looks at the fundamentals of MOVPE and the key areas of equipment/safety, precursor chemicals, and growth monitoring. It covers the most important materials from III-V and II-VI compounds to quantum dots and nanowires, including sulfides and selenides and oxides/ceramics. Sections in every chapter of Metalorganic Vapor Phase Epitaxy (MOVPE): Growth, Materials Properties and Applications cover the growth of the particular materials system, the properties of the resultant material, and its applications. The book offers information on arsenides, phosphides, and antimonides; nitrides; lattice-mismatched growth; CdTe, MCT (mercury cadmium telluride); ZnO and related materials; equipment and safety; and more. It also offers a chapter that looks at the future of the technique. Covers, in order, the growth method, material properties, and applications for each material Includes chapters on the fundamentals of MOVPE and the key areas of equipment/safety, precursor chemicals, and growth monitoring Looks at important materials such as III-V and II-VI compounds, quantum dots, and nanowires Provides topical and wide-ranging coverage from well-known authors in the field Part of the Materials for Electronic and Optoelectronic Applications series Metalorganic Vapor Phase Epitaxy (MOVPE): Growth, Materials Properties and Applications is an excellent book for graduate students, researchers in academia and industry, as well as specialist courses at undergraduate/postgraduate level in the area of epitaxial growth (MOVPE/ MOCVD/ MBE).

Catalogs of the Scripps Institution of Oceanography Library

Author : Scripps Institution of Oceanography. Library
Publisher :
ISBN 13 :
Total Pages : 726 pages
Book Rating : 4.:/5 (321 download)

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Book Synopsis Catalogs of the Scripps Institution of Oceanography Library by : Scripps Institution of Oceanography. Library

Download or read book Catalogs of the Scripps Institution of Oceanography Library written by Scripps Institution of Oceanography. Library and published by . This book was released on 1980 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Internal Photoemission Spectroscopy

Author : Valeri V. Afanas'ev
Publisher : Elsevier
ISBN 13 : 0080999301
Total Pages : 404 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Internal Photoemission Spectroscopy by : Valeri V. Afanas'ev

Download or read book Internal Photoemission Spectroscopy written by Valeri V. Afanas'ev and published by Elsevier. This book was released on 2014-02-22 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of Internal Photoemission Spectroscopy thoroughly updates this vital, practical guide to internal photoemission (IPE) phenomena and measurements. The book's discussion of fundamental physical and technical aspects of IPE spectroscopic applications is supplemented by an extended overview of recent experimental results in swiftly advancing research fields. These include the development of insulating materials for advanced SiMOS technology, metal gate materials, development of heterostructures based on high-mobility semiconductors, and more. Recent results concerning the band structure of important interfaces in novel materials are covered as well. Internal photoemission involves the physics of charge carrier photoemission from one solid to another, and different spectroscopic applications of this phenomenon to solid state heterojunctions. This technique complements conventional external photoemission spectroscopy by analyzing interfaces separated from the sample surface by a layer of a different solid or liquid. Internal photoemission provides the most straightforward, reliable information regarding the energy spectrum of electron states at interfaces. At the same time, the method enables the analysis of heterostructures relevant to modern micro- and nano-electronic devices as well as new materials involved in their design and fabrication. First complete model description of the internal photoemission phenomena Overview of the most reliable energy barrier determination procedures and trap characterization methods Overview of the most recent results on band structure of high-permittivity insulating materials and their interfaces with semiconductors and metals

Crystal Growth Bibliography

Author : Anne M. Keesee
Publisher :
ISBN 13 :
Total Pages : 584 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Crystal Growth Bibliography by : Anne M. Keesee

Download or read book Crystal Growth Bibliography written by Anne M. Keesee and published by . This book was released on 1979 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Nitride Semiconductors and Devices, Electronic and Optical Processes in Nitrides

Author : Hadis Morkoç
Publisher : John Wiley & Sons
ISBN 13 : 3527628428
Total Pages : 883 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Handbook of Nitride Semiconductors and Devices, Electronic and Optical Processes in Nitrides by : Hadis Morkoç

Download or read book Handbook of Nitride Semiconductors and Devices, Electronic and Optical Processes in Nitrides written by Hadis Morkoç and published by John Wiley & Sons. This book was released on 2009-07-30 with total page 883 pages. Available in PDF, EPUB and Kindle. Book excerpt: The three volumes of this handbook treat the fundamentals, technology and nanotechnology of nitride semiconductors with an extraordinary clarity and depth. They present all the necessary basics of semiconductor and device physics and engineering together with an extensive reference section. Volume 2 addresses the electrical and optical properties of nitride materials. It includes semiconductor metal contacts, impurity and carrier concentrations, and carrier transport in semiconductors.

Bismuth-Containing Alloys and Nanostructures

Author : Shumin Wang
Publisher : Springer
ISBN 13 : 9811380783
Total Pages : 399 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Bismuth-Containing Alloys and Nanostructures by : Shumin Wang

Download or read book Bismuth-Containing Alloys and Nanostructures written by Shumin Wang and published by Springer. This book was released on 2019-07-03 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on novel bismuth-containing alloys and nanostructures, covering a wide range of materials from semiconductors, topological insulators, silica optical fibers and to multiferroic materials. It provides a timely overview of bismuth alloys and nanostructures, from material synthesis and physical properties to device applications and also includes the latest research findings. Bismuth is considered to be a sustainable and environmentally friendly element, and has received increasing attention in a variety of innovative research areas in recent years. The book is intended as a reference resource and textbook for graduate students and researchers working in these fields.

Handbook of Thin Film Technology

Author : Hartmut Frey
Publisher : Springer Science & Business Media
ISBN 13 : 3642054307
Total Pages : 385 pages
Book Rating : 4.6/5 (42 download)

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Book Synopsis Handbook of Thin Film Technology by : Hartmut Frey

Download or read book Handbook of Thin Film Technology written by Hartmut Frey and published by Springer Science & Business Media. This book was released on 2015-05-06 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: “Handbook of Thin Film Technology” covers all aspects of coatings preparation, characterization and applications. Different deposition techniques based on vacuum and plasma processes are presented. Methods of surface and thin film analysis including coating thickness, structural, optical, electrical, mechanical and magnetic properties of films are detailed described. The several applications of thin coatings and a special chapter focusing on nanoparticle-based films can be found in this handbook. A complete reference for students and professionals interested in the science and technology of thin films.

Ultra-wide Bandgap Semiconductor Materials

Author : Meiyong Liao
Publisher : Elsevier
ISBN 13 : 0128172568
Total Pages : 503 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Ultra-wide Bandgap Semiconductor Materials by : Meiyong Liao

Download or read book Ultra-wide Bandgap Semiconductor Materials written by Meiyong Liao and published by Elsevier. This book was released on 2019-06-18 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultra-wide Bandgap Semiconductors (UWBG) covers the most recent progress in UWBG materials, including sections on high-Al-content AlGaN, diamond, B-Ga2O3, and boron nitrides. The coverage of these materials is comprehensive, addressing materials growth, physics properties, doping, device design, fabrication and performance. The most relevant and important applications are covered, including power electronics, RF electronics and DUV optoelectronics. There is also a chapter on novel structures based on UWBG, such as the heterojunctions, the low-dimensional structures, and their devices. This book is ideal for materials scientists and engineers in academia and R&D searching for materials superior to silicon carbide and gallium nitride. Provides a one-stop resource on the most promising ultra-wide bandgap semiconducting materials, including high-Al-content AlGaN, diamond, β-Ga2O3, boron nitrides, and low-dimensional materials Presents comprehensive coverage, from materials growth and properties, to device design, fabrication and performance Features the most relevant applications, including power electronics, RF electronics and DUV optoelectronics