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Author : Yanan F. Shieh
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (199 download)
Download or read book Pulsed Laser Annealing and Characterization of GaAs Substrates written by Yanan F. Shieh and published by . This book was released on 1989 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bill W. Mullins
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (227 download)
Download or read book Characterization of Laser Annealing of Ion Implanted GaAs and Si Using Optical Reflectivity written by Bill W. Mullins and published by . This book was released on 1979 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of laser annealing on ion implanted GaAs and Si has been assessed using optical reflectivity spectra. The spectra were recorded over the range of 2100A to 4500A and reflectivity peaks were obtained near 2400A and 4100A for GaAs and 2700A and 3700A for Si. The magnitude of these peaks was then observed as a function of annealing parameters. Laser annealing was carried out using a 30 nsec ruby laser pulse. The GaAs samples were implanted 120 KeV Te at a fluence of 10 to the 14th power ions/sq. cm; Si samples were implanted with 30 KeV In at a fluence of 10 to the 15th power ions/sq cm. The reflectivity spectrum of implanted GaAs was found to return to that of unimplanted materials at an annealing energy density of approximately 0.35 J sq. cm. whereas the spectrum of Si was found to approach that of the unimplanted samples at energy densities of 1.34 J/sq. cm. The values obtained compare well with those obtained from other diagnostic techniques. (Author).
Author : Bill W. Mullins (2LT, USAF.)
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (132 download)
Download or read book Characterization of Laser Annealing of Ion Implanted GaAs and Si Using Optical Reflectivity written by Bill W. Mullins (2LT, USAF.) and published by . This book was released on 1979 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J Poate
Publisher : Elsevier
ISBN 13 : 0323145426
Total Pages : 577 pages
Book Rating : 4.3/5 (231 download)
Download or read book Laser Annealing of Semiconductors written by J Poate and published by Elsevier. This book was released on 2012-12-02 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser Annealing of Semiconductors deals with the materials science of surfaces that have been subjected to ultrafast heating by intense laser or electron beams. This book is organized into 13 chapters that specifically tackle transient annealing of compound semiconductors. After briefly dealing with an overview of laser annealing, this book goes on discussing the concepts of solidification and crystallization pertinent to the field. These topics are followed by discussions on the main mechanisms of interaction of photon and electron beams with condensed matter; the calculation of thermophysical properties of crystalline materials; and high-speed crystal growth by laser annealing of ion-implanted silicon. The subsequent chapters describe the microstructural and topographical properties of annealed semiconductor layers and the epitaxy of ion-implanted silicon irradiated with a laser or electron beam single pulse. This text also explores the electronic and surface properties and the continuous-wave beam processing of semiconductors. The concluding chapters cover various reactions in metal-semiconductor systems, such as fast and laser-induced melting, solidification, mixing, and quenching. Laser-induced interactions in metal-semiconductor systems and the factors involved in control of the heat treatment process are also discussed in these chapters. Materials scientists and researchers and device engineers will find this book invaluable.
Download or read book KrF-laser Annealing of Native Oxides on GaAs written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Annealing of native oxides grown on GaAs has been performed using a pulsed KrF laser. This process allows the oxides to be heated to temperatures well above 350°C without arsenic loss from the GaAs substrate. The physical, chemical, and electronic properties of the oxide are markedly changed by laser processing.
Author : James D. Oliver
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.X/5 (4 download)
Download or read book Characterization and qualification of GaAs semi-insulating substrates written by James D. Oliver and published by . This book was released on 1981 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (921 download)
Download or read book Optical and Structural Characterization of GaAsN Thin Film and GaAsN/GaAs Multiquantum Well with High Nitrogen Concentration Grown by MOVPE written by and published by . This book was released on 2006 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The optical and structural properties of high N-content GaAs[subscript0.949]N[subscript0.051] layer and GaAs[subscript0.950]N[subscript0.050]GaAs multiple quantum wells (MQWs) grown on GaAs (001) substrates by metaorganic vapor phase epitaxy (MOVPE) were characterized by photoluminescence (PL) to measure the energy positions of the near band edge excitionic emission, high-resolution X-ray diffraction (HRXRD) and Raman scattering to examine the lattice parameters and the N concentrations of the layers annealed at 650[degrees Celsius] with different annealing time. The post-growth thermal annealing affects an increasing of N concentration, a strain relaxation and a blue-shift of the PL peak energy. After annealing can be explained by two major effects: (i) the reorganization of N and (ii) the strain relaxation in the GaAsN layer. On the other hand, the GaAs[subscript0.950]N[subscript0.050]/GaAs MQWs exhibits exhibits strong PL emission around the 1.3 mum-wavelegth region without post-growth thermal annealing treatment, which suggests an efficient electron confinement in the QWs. After post-growth thermal annealing, blue-shift of PL peak energy was clearly observed. However, this PL blue-shift which is induced by thermal annealing, can be described by diffusion of N atoms out of the well and homogeneity of the N concentration fluctuation. Based on PL results, it is evident that the band alignment of GaAsN/GaAs heterostructure is a type-I band lineup. Adding N to GaAs mainly affects the conduction band (CB) states leading to a large conduction band offset ([triangle]Ec ~ 550 meV). Our results show the potential for the fabrication of 1.3 um-wavelength GaAsN QW lasers on GaAs substrates.
Author : Jagdish Narayan
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.3/5 (91 download)
Download or read book Laser/optical Processing of Electronic Materials written by Jagdish Narayan and published by . This book was released on 1990 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : I.W. Boyd
Publisher : Elsevier
ISBN 13 : 0444596801
Total Pages : 552 pages
Book Rating : 4.4/5 (445 download)
Download or read book Laser Surface Processing and Characterization written by I.W. Boyd and published by Elsevier. This book was released on 1992-03-09 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: The contributions in this volume reflect not only the growing understanding of the underlying mechanisms controlling the various reactions in laser surface processing, but also the potential of several developing applications of direct processing. The most notable trend in the field currently is the technique of laser ablation, which is reported in almost a quarter of the papers in this volume. Whilst by no means a new phenomenon, attention has until recent years remained in the area of lithography and UV-sensitive materials. The growth in interest lies in the use of the technique to grow multi-component thin films and multi-layers. A number of papers on the topic of process diagnostics and in-situ measurements are also included. The theme of these annual meetings is centred around the physical and chemical modification of thin films and surfaces induced by the action of photon, ion, neutral, or electron beams in a variety of environments. Consequently these proceedings provide a comprehensive and unified presentation of the latest developments in this field.
Author :
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ISBN 13 :
Total Pages : 526 pages
Book Rating : 4.0/5 ( download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-04 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles A. Evans
Publisher : Gulf Professional Publishing
ISBN 13 : 9780750691680
Total Pages : 784 pages
Book Rating : 4.6/5 (916 download)
Download or read book Encyclopedia of Materials Characterization written by Charles A. Evans and published by Gulf Professional Publishing. This book was released on 1992 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This is a comprehensive volume on analytical techniques used in materials science for the characterization of surfaces, interfaces and thin films. This flagship volume is a unique, stand-alone reference for materials science practitioners, process engineers, students and anyone with a need to know about the capabilities available in materials analysis. An encyclopedia of 50 concise articles, this book will also be a practical companion to the forthcoming books in the series."--Knovel.
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ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kansas State University
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.3/5 (91 download)
Download or read book Engineering Research written by Kansas State University and published by . This book was released on 1987 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kansas State University
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (89 download)
Download or read book Engineering Research 1987-89 written by Kansas State University and published by . This book was released on 1989 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sumanth Thirnavukkarasu
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (766 download)
Download or read book Growth and Characterization of Epitaxial GaAs Films on Ge for Optoelectronic Devices Using Pulsed Laser Deposition written by Sumanth Thirnavukkarasu and published by . This book was released on 2006 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fuccio Cristiano
Publisher : Woodhead Publishing
ISBN 13 : 0128202564
Total Pages : 426 pages
Book Rating : 4.1/5 (282 download)
Download or read book Laser Annealing Processes in Semiconductor Technology written by Fuccio Cristiano and published by Woodhead Publishing. This book was released on 2021-04-21 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser Annealing Processes in Semiconductor Technology: Theory, Modeling and Applications in Nanoelectronics synthesizes the scientific and technological advances of laser annealing processes for current and emerging nanotechnologies. The book provides an overview of the laser-matter interactions of materials and recent advances in modeling of laser-related phenomena, with the bulk of the book focusing on current and emerging (beyond-CMOS) applications. Reviewed applications include laser annealing of CMOS, group IV semiconductors, superconducting materials, photonic materials, 2D materials. This comprehensive book is ideal for post-graduate students, new entrants, and experienced researchers in academia, research and development in materials science, physics and engineering. Introduces the fundamentals of laser materials and device fabrication methods, including laser-matter interactions and laser-related phenomena Addresses advances in physical modeling and in predictive simulations of laser annealing processes such as atomistic modeling and TCAD simulations Reviews current and emerging applications of laser annealing processes such as CMOS technology and group IV semiconductors
Author :
Publisher :
ISBN 13 :
Total Pages : 532 pages
Book Rating : 4.3/5 (91 download)
Download or read book Solar Energy Update written by and published by . This book was released on 1983 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
