Cathodoluminescence Microanalysis Of The Distribution Of Defects Induced In Fused Silica By Uv Laser Pulses And After Damage Mitigation Treatment With A Co2 Laser

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Cathodoluminescence Microanalysis of the Distribution of Defects Induced in Fused Silica by UV Laser Pulses and After Damage Mitigation Treatment with a CO2 Laser

Author :
Publisher :
ISBN 13 :
Total Pages : 113519 pages
Book Rating : 4.:/5 (873 download)

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Book Synopsis Cathodoluminescence Microanalysis of the Distribution of Defects Induced in Fused Silica by UV Laser Pulses and After Damage Mitigation Treatment with a CO2 Laser by :

Download or read book Cathodoluminescence Microanalysis of the Distribution of Defects Induced in Fused Silica by UV Laser Pulses and After Damage Mitigation Treatment with a CO2 Laser written by and published by . This book was released on 2004 with total page 113519 pages. Available in PDF, EPUB and Kindle. Book excerpt: Point defects are induced in high quality optical-grade fused silica by high fluence (>30 J/cm2) 355nm laser pulses. The microscopic depth distribution of laser irradiation induced defects has been nondestructively determined using Cathodoluminescence (CL) microanalysis. CL emissions have been observed at 1.9eV, 2.2eV, 2.7eV and 4.4eV. In addition following CO2 laser treatment for damage mitigation an emission at 3.2eV is also observed. The CL emissions have been identified with the NBOHC (non-bridging oxygen hole center), the STE (self-trapped exciton), an ODC (oxygen-deficient center) and an aluminum impurity centre. The spatially resolved CL data is consistent with damage initiation at the exit surface. The concentration of 355 nm laser induced defects is greatest at the surface and monotonically decays to pre-irradiation levels at ≈10 [mu]m depth below the surface. With CO2 processing to mitigate damage, the defect concentration and spatial distribution is reduced to a maximum depth of ≈6[mu]m. CL microanalysis provides a sensitive and nondestructive method of assessing the magnitude and submicron distribution of irradiation induced damage in technologically important materials.

Fracture Induced Sub-Band Absorption as a Precursor to Optical Damage on Fused Silica Surfaces

Author :
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Fracture Induced Sub-Band Absorption as a Precursor to Optical Damage on Fused Silica Surfaces by :

Download or read book Fracture Induced Sub-Band Absorption as a Precursor to Optical Damage on Fused Silica Surfaces written by and published by . This book was released on 2010 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The optical damage threshold of indentation induced flaws on fused silica surfaces was explored. Mechanical flaws were characterized by laser damaged testing, SEM, optical, and photoluminescence microscopy. Localized polishing, chemical etching, and the control of indentation morphology were used to isolate the structural features which limit optical damage. A thin defect layer on fracture surfaces, including those smaller than the wavelength of visible light, was found to be the dominant source of laser damage initiation during illumination with 355nm, 3ns laser pulses. Little evidence was found that either displaced or densified material or fluence intensification plays a significant role in optical damage at fluences>35J/cm2. Elimination of the defect layer was shown to increase the overall damage performance of fused silica optics.

Imaging the Early Material Response Associated with Exit Surface Damage in Fused Silica

Author :
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (873 download)

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Book Synopsis Imaging the Early Material Response Associated with Exit Surface Damage in Fused Silica by :

Download or read book Imaging the Early Material Response Associated with Exit Surface Damage in Fused Silica written by and published by . This book was released on 2010 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The processes involved at the onset of damage initiation on the surface of fused silica have been a topic of extensive discussion and thought for more than four decades. Limited experimental results have helped develop models covering specific aspects of the process. In this work we present the results of an experimental study aiming at imaging the material response from the onset of the observation of material modification during exposure to the laser pulse through the time point at which material ejection begins. The system involves damage initiation using a 355 nm pulse, 7.8 ns FWHM in duration and imaging of the affected material volume with spatial resolution on the order of 1 [mu]m using as strobe light a 150 ps laser pulse that is appropriately timed with respect to the pump pulse. The observations reveal that the onset of material modification is associated with regions of increased absorption, i.e., formation of an electronic excitation, leading to a reduction in the probe transmission to only a few percent within a time interval of about 1 ns. This area is subsequently rapidly expanding with a speed of about 1.2 [mu]m/ns and is accompanied by the formation and propagation of radial cracks. These cracks appear to initiate about 2 ns after the start of the expansion of the modified region. The damage sites continue to grow for about 25 ns but the mechanism of expansion after the termination of the laser pulse is via formation and propagation of lateral cracks. During this time, the affected area of the surface appears to expand forming a bulge of about 40 [mu]m in height. The first clear observation of material cluster ejection is noted at about 50 ns delay.

Damage to Fused Silica Windows While Under Simultaneous Exposure to Flowing Solvents and Laser Radiation at 308 Nm

Author : Folryn, SR.
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Damage to Fused Silica Windows While Under Simultaneous Exposure to Flowing Solvents and Laser Radiation at 308 Nm by : Folryn, SR.

Download or read book Damage to Fused Silica Windows While Under Simultaneous Exposure to Flowing Solvents and Laser Radiation at 308 Nm written by Folryn, SR. and published by . This book was released on 1988 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper reports the results of a study to determine the degrading effects of flowing dye solvents on the laser damage threshold of fused-silica windows at 308 nm. Thresholds were measured at the SiO2solvent interface in a test cell. Bare SiO2 tested in air at 308 nm (20 ns) typically exhibits a threshold ranging from 4 to 10 J/cm2; with the solvent cyclohexane in contact, a threshold as low as 0.3 J/cm2 was measured. The damage data indicate that window lifetime (number of shots) is independent of fluence at higher levels, and asymptotically approaches infinity at levels near threshold. Dielectric coatings were tested as possible damage-resistant barriers between the solvent and SiO2; the results show some improvement in damage threshold. When cyclohexane is replaced with the solvent dioxane, thresholds measured for SiO2 windows are within the range cited above for thresholds measured in air.

Surface and Thin Film Analysis

Author : Gernot Friedbacher
Publisher : Wiley-VCH
ISBN 13 : 9783527320479
Total Pages : 0 pages
Book Rating : 4.3/5 (24 download)

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Book Synopsis Surface and Thin Film Analysis by : Gernot Friedbacher

Download or read book Surface and Thin Film Analysis written by Gernot Friedbacher and published by Wiley-VCH. This book was released on 2011-06-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surveying and comparing all techniques relevant for practical applications in surface and thin film analysis, this second edition of a bestseller is a vital guide to this hot topic in nano- and surface technology. This new book has been revised and updated and is divided into four parts - electron, ion, and photon detection, as well as scanning probe microscopy. New chapters have been added to cover such techniques as SNOM, FIM, atom probe (AP),and sum frequency generation (SFG). Appendices with a summary and comparison of techniques and a list of equipment suppliers make this book a rapid reference for materials scientists, analytical chemists, and those working in the biotechnological industry. From a Review of the First Edition (edited by Bubert and Jenett) "... a useful resource..." (Journal of the American Chemical Society)

Scanning Electron Microscopy

Author : Ludwig Reimer
Publisher : Springer
ISBN 13 : 3540389679
Total Pages : 538 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Scanning Electron Microscopy by : Ludwig Reimer

Download or read book Scanning Electron Microscopy written by Ludwig Reimer and published by Springer. This book was released on 2013-11-11 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning Electron Microscopy provides a description of the physics of electron-probe formation and of electron-specimen interactions. The different imaging and analytical modes using secondary and backscattered electrons, electron-beam-induced currents, X-ray and Auger electrons, electron channelling effects, and cathodoluminescence are discussed to evaluate specific contrasts and to obtain quantitative information.

Cathodoluminescence in Geosciences

Author : M. Pagel
Publisher : Springer Science & Business Media
ISBN 13 : 3662040867
Total Pages : 518 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Cathodoluminescence in Geosciences by : M. Pagel

Download or read book Cathodoluminescence in Geosciences written by M. Pagel and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: An up-to-date overview of cathodoluminescence microscopy and spectroscopy in the field of geosciences, including new important data on cathodoluminescence spectroscopy, physical parameters and systematic spectral analysis of doped minerals. Each chapter, written by a well-known specialist, covers classic and new fields of application such as carbonate diagenesis, silicates, brittle deformation in sandstones, gemstone recognition, biomineralization, economic geology or geochronology. Useful to all scientists, graduates and professional engineers throughout the geosciences community.

Photovoltaic and Photoactive Materials

Author : Joseph M. Marshall
Publisher : Springer Science & Business Media
ISBN 13 : 9401006326
Total Pages : 361 pages
Book Rating : 4.4/5 (1 download)

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Book Synopsis Photovoltaic and Photoactive Materials by : Joseph M. Marshall

Download or read book Photovoltaic and Photoactive Materials written by Joseph M. Marshall and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this NATO Advanced Study Institute (ASI) was to present an up-to-date overview of various current areas of interest in the field of photovoltaic and related photoactive materials. This is a wide-ranging subject area, of significant commercial and environmental interest, and involves major contributions from the disciplines of physics, chemistry, materials, electrical and instrumentation engineering, commercial realisation etc. Therefore, we sought to adopt an inter disciplinary approach, bringing together recognised experts in the various fields while retaining a level of treatment accessible to those active in specific individual areas of research and development. The lecture programme commenced with overviews of the present relevance and historical development of the subject area, plus an introduction to various underlying physical principles of importance to the materials and devices to be addressed in later lectures. Building upon this, the ASI then progressed to more detailed aspects of the subject area. We were also fortunately able to obtain a contribution from Thierry Langlois d'Estaintot of the European Commission Directorate, describing present and future EC support for activities in this field. In addition, poster sessions were held throughout the meeting, to allow participants to present and discuss their current activities. These were supported by what proved to be very effective feedback sessions (special thanks to Martin Stutzmann), prior to which groups of participants enthusiastically met (often in the bar) to identify and agree topics of common interest.

ACS Style Guide

Author : Anne M. Coghill
Publisher : American Chemical Society
ISBN 13 : 9780841239494
Total Pages : 0 pages
Book Rating : 4.2/5 (394 download)

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Book Synopsis ACS Style Guide by : Anne M. Coghill

Download or read book ACS Style Guide written by Anne M. Coghill and published by American Chemical Society. This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the time since the second edition of The ACS Style Guide was published, the rapid growth of electronic communication has dramatically changed the scientific, technical, and medical (STM) publication world. This dynamic mode of dissemination is enabling scientists, engineers, and medicalpractitioners all over the world to obtain and transmit information quickly and easily. An essential constant in this changing environment is the requirement that information remain accurate, clear, unambiguous, and ethically sound.This extensive revision of The ACS Style Guide thoroughly examines electronic tools now available to assist STM writers in preparing manuscripts and communicating with publishers. Valuable updates include discussions of markup languages, citation of electronic sources, online submission ofmanuscripts, and preparation of figures, tables, and structures. In keeping current with the changing environment, this edition also contains references to many resources on the internet.With this wealth of new information, The ACS Style Guide's Third Edition continues its long tradition of providing invaluable insight on ethics in scientific communication, the editorial process, copyright, conventions in chemistry, grammar, punctuation, spelling, and writing style for any STMauthor, reviewer, or editor. The Third Edition is the definitive source for all information needed to write, review, submit, and edit scholarly and scientific manuscripts.

Microprobe Techniques in the Earth Sciences

Author : Philip J. Potts
Publisher : Springer Science & Business Media
ISBN 13 : 1461520533
Total Pages : 430 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Microprobe Techniques in the Earth Sciences by : Philip J. Potts

Download or read book Microprobe Techniques in the Earth Sciences written by Philip J. Potts and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: 30% discount for members of The Mineralogical Society of Britain and Ireland This text covers the range of microanalytical techniques available for the analysis of geological samples, principally in research applications. Each chapter is written in a clear, informative style and has a tutorial element, designed to introduce each technique for the beginning and experienced researcher alike.

Integration of Functional Oxides with Semiconductors

Author : Alexander A. Demkov
Publisher : Springer Science & Business Media
ISBN 13 : 146149320X
Total Pages : 284 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Integration of Functional Oxides with Semiconductors by : Alexander A. Demkov

Download or read book Integration of Functional Oxides with Semiconductors written by Alexander A. Demkov and published by Springer Science & Business Media. This book was released on 2014-02-20 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the basic physical principles of the oxide/semiconductor epitaxy and offers a view of the current state of the field. It shows how this technology enables large-scale integration of oxide electronic and photonic devices and describes possible hybrid semiconductor/oxide systems. The book incorporates both theoretical and experimental advances to explore the heteroepitaxy of tuned functional oxides and semiconductors to identify material, device and characterization challenges and to present the incredible potential in the realization of multifunctional devices and monolithic integration of materials and devices. Intended for a multidisciplined audience, Integration of Functional Oxides with Semiconductors describes processing techniques that enable atomic-level control of stoichiometry and structure and reviews characterization techniques for films, interfaces and device performance parameters. Fundamental challenges involved in joining covalent and ionic systems, chemical interactions at interfaces, multi-element materials that are sensitive to atomic-level compositional and structural changes are discussed in the context of the latest literature. Magnetic, ferroelectric and piezoelectric materials and the coupling between them will also be discussed. GaN, SiC, Si, GaAs and Ge semiconductors are covered within the context of optimizing next-generation device performance for monolithic device processing.

Quartz: Deposits, Mineralogy and Analytics

Author : Jens Götze
Publisher : Springer Science & Business Media
ISBN 13 : 3642221610
Total Pages : 365 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Quartz: Deposits, Mineralogy and Analytics by : Jens Götze

Download or read book Quartz: Deposits, Mineralogy and Analytics written by Jens Götze and published by Springer Science & Business Media. This book was released on 2012-04-23 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book will include contributions of the state of the art of quartz raw materials (deposits and properties) and their analytics. The chapters are presented by leading scientists in the quartz field. The presentations cover the main interrelations between genesis of quartz - formation of specific properties - analytics - industrial applications of SiO2 raw materials.

Micro and Nanomanufacturing Volume II

Author : Mark J. Jackson
Publisher : Springer
ISBN 13 : 3319671324
Total Pages : 566 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Micro and Nanomanufacturing Volume II by : Mark J. Jackson

Download or read book Micro and Nanomanufacturing Volume II written by Mark J. Jackson and published by Springer. This book was released on 2017-10-28 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive treatment of micro and nanofabrication techniques, and applies established and research laboratory manufacturing techniques to a wide variety of materials. It is a companion volume to “Micro and Nanomanufacturing” (2007) and covers new topics such as aligned nanowire growth, molecular dynamics simulation of nanomaterials, atomic force microscopy for microbial cell surfaces, 3D printing of pharmaceuticals, microvascular coaptation methods, and more. The chapters also cover a wide variety of applications in areas such as surgery, auto components, living cell detection, dentistry, nanoparticles in medicine, and aerospace components. This is an ideal text for professionals working in the field, and for graduate students in micro and nanomanufacturing courses.

Defects in Semiconductors

Author :
Publisher : Academic Press
ISBN 13 : 0128019409
Total Pages : 458 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Defects in Semiconductors by :

Download or read book Defects in Semiconductors written by and published by Academic Press. This book was released on 2015-06-08 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume, number 91 in the Semiconductor and Semimetals series, focuses on defects in semiconductors. Defects in semiconductors help to explain several phenomena, from diffusion to getter, and to draw theories on materials' behavior in response to electrical or mechanical fields. The volume includes chapters focusing specifically on electron and proton irradiation of silicon, point defects in zinc oxide and gallium nitride, ion implantation defects and shallow junctions in silicon and germanium, and much more. It will help support students and scientists in their experimental and theoretical paths. Expert contributors Reviews of the most important recent literature Clear illustrations A broad view, including examination of defects in different semiconductors

Fast Ion Transport in Solids

Author : B. Scrosati
Publisher : Springer Science & Business Media
ISBN 13 : 9401119163
Total Pages : 375 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Fast Ion Transport in Solids by : B. Scrosati

Download or read book Fast Ion Transport in Solids written by B. Scrosati and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main motivation for the organization of the Advanced Research Workshop in Belgirate was the promotion of discussions on the most recent issues and the future perspectives in the field of Solid State lonics. The location was chosen on purpose since Belgirate was the place were twenty years ago, also then under the sponsorship of NATO, the very first international meeting on this important and interdisciplinary field took place. That meeting was named "Fast Ion Transport in Solids" and gathered virtually everybody at that time having been active in any aspect of motion of ions in solids. The original Belgirate Meeting made for the first time visible the technological potential related to the phenomenon of the fast ionic transport in solids and, accordingly, the field was given the name "Solid State lonics". This field is now expanded to cover a wide range of technologies which includes chemical sensors for environmental and process control, electrochromic windows, mirrors and displays, fuel cells, high performance rechargeable batteries for stationary applications and electrotraction, chemotronics, semiconductor ionics, water electrolysis cells for hydrogen economy and other applications. The main idea for holding an anniversary meeting was that of discussing the most recent issues and the future perspectives of Solid State lonics just twenty years after it has started at the same location on the lake Maggiore in North Italy.

Handbook of Materials Characterization

Author : Surender Kumar Sharma
Publisher : Springer
ISBN 13 : 3319929550
Total Pages : 612 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Handbook of Materials Characterization by : Surender Kumar Sharma

Download or read book Handbook of Materials Characterization written by Surender Kumar Sharma and published by Springer. This book was released on 2018-09-18 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the widely used experimental techniques available for the structural, morphological, and spectroscopic characterization of materials. Recent developments in a wide range of experimental techniques and their application to the quantification of materials properties are an essential side of this book. Moreover, it provides concise but thorough coverage of the practical and theoretical aspects of the analytical techniques used to characterize a wide variety of functional nanomaterials. The book provides an overview of widely used characterization techniques for a broad audience: from beginners and graduate students, to advanced specialists in both academia and industry.

Transmission Electron Microscopy

Author : Ludwig Reimer
Publisher : Springer
ISBN 13 : 3662135531
Total Pages : 532 pages
Book Rating : 4.6/5 (621 download)

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Book Synopsis Transmission Electron Microscopy by : Ludwig Reimer

Download or read book Transmission Electron Microscopy written by Ludwig Reimer and published by Springer. This book was released on 2013-11-11 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to outline the physics of image formation, electron specimen interactions and image interpretation in transmission electron mic roscopy. The book evolved from lectures delivered at the University of Munster and is a revised version of the first part of my earlier book Elek tronenmikroskopische Untersuchungs- und Priiparationsmethoden, omitting the part which describes specimen-preparation methods. In the introductory chapter, the different types of electron microscope are compared, the various electron-specimen interactions and their applications are summarized and the most important aspects of high-resolution, analytical and high-voltage electron microscopy are discussed. The optics of electron lenses is discussed in Chapter 2 in order to bring out electron-lens properties that are important for an understanding of the function of an electron microscope. In Chapter 3, the wave optics of elec trons and the phase shifts by electrostatic and magnetic fields are introduced; Fresnel electron diffraction is treated using Huygens' principle. The recogni tion that the Fraunhofer-diffraction pattern is the Fourier transform of the wave amplitude behind a specimen is important because the influence of the imaging process on the contrast transfer of spatial frequencies can be described by introducing phase shifts and envelopes in the Fourier plane. In Chapter 4, the elements of an electron-optical column are described: the electron gun, the condenser and the imaging system. A thorough understanding of electron-specimen interactions is essential to explain image contrast.