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Author : Cécile Martine Combes
Publisher :
ISBN 13 : 9789040718151
Total Pages : 0 pages
Book Rating : 4.7/5 (181 download)
Download or read book Scintillation of 6Li-based Materials for Thermal-neutron Detection written by Cécile Martine Combes and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andrew Neil Mabe
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (122 download)
Download or read book Neutron Scintillation Detectors Based on Polymers Containing Lithium-6 for Radiation Portal Monitor Applications written by Andrew Neil Mabe and published by . This book was released on 2013 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work presented herein describes an investigation of four main types of thin film polymer scintillators containing 6Li [lithium-6] for neutron detection: polystyrene containing 6LiF [lithium-6 fluoride] and a preblended fluor mixture comprising 2,5-diphenyloxazole and 1,4-bis(5-phenyloxazol-2-yl)benzene; poly(styrene-co-lithium maleate) containing salicylic acid; poly[styrene-co-lithium maleate-co-2-phenyl-5-(4-vinylphenyl)oxazole]; and poly(styrene-co-lithium 4-vinylbenzoate). A variety of chemical and physical characterizations as well as optical and scintillation characterizations were performed to guide the development of optimized compositions of each type of polymer film. The scintillation performances of optimized compositions of each type of polymer film were calibrated using GS20 lithium glass and evaluated against neutron detection and neutron/gamma-ray discrimination criteria established for radiation portal monitors. Thin films were fabricated 2 inches in diameter over a variety of thicknesses using solution-casting methods. Investigation of polystyrene-based films by photoluminescence and scintillation indicated that the optimum concentration of fluor was 5.00%. Optimum neutron/gamma-ray discrimination was achieved for 50 micrometer thick films containing 10% 6LiF [lithium-6 fluoride]. Two transparent lithium-containing polymers were successfully synthesized: poly(styrene-co-lithium maleate) containing salicylic acid and poly[styrene-co-lithium maleate-co-2-phenyl-5-(4-vinylphenyl)oxazole]. To the author's knowledge, the latter polymer represents the first polymer comprising the matrix, the thermal neutron capture nuclide 6Li [lithium-6], and the fluor that has been synthesized for the purpose of thermal neutron detection. The polymer poly(styrene-co-lithium 4-vinylbenzoate) could not be solvated and decomposed below its melting temperature and was thus considered not useful for this application. The polystyrene-based materials had the greatest light yields whereas the poly[styrene-co-lithium maleate-co-2-phenyl-5-(4-vinylphenyl)oxazole] material had the best neutron/gamma-ray discrimination properties. All three classes of materials can be used to satisfy the detection criteria in the current radiation portal monitor footprint by implementing a multilayer format.
Author : Matthieu Hamel
Publisher : Springer Nature
ISBN 13 : 3030734889
Total Pages : 647 pages
Book Rating : 4.0/5 (37 download)
Download or read book Plastic Scintillators written by Matthieu Hamel and published by Springer Nature. This book was released on 2021-07-10 with total page 647 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the physics and chemistry of plastic scintillators (fluorescent polymers) that are able to emit light when exposed to ionizing radiation, discussing their chemical modification in the early 1950s and 1960s, as well as the renewed upsurge in interest in the 21st century. The book presents contributions from various researchers on broad aspects of plastic scintillators, from physics, chemistry, materials science and applications, covering topics such as the chemical nature of the polymer and/or the fluorophores, modification of the photophysical properties (decay time, emission wavelength) and loading of additives to make the material more sensitive to, e.g., fast neutrons, thermal neutrons or gamma rays. It also describes the benefits of recent technological advances for plastic scintillators, such as nanomaterials and quantum dots, which allow features that were previously not achievable with regular organic molecules or organometallics.
Author : J. B. Birks
Publisher : Elsevier
ISBN 13 : 1483156060
Total Pages : 685 pages
Book Rating : 4.4/5 (831 download)
Download or read book The Theory and Practice of Scintillation Counting written by J. B. Birks and published by Elsevier. This book was released on 2013-10-22 with total page 685 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Theory and Practice of Scintillation Counting is a comprehensive account of the theory and practice of scintillation counting. This text covers the study of the scintillation process, which is concerned with the interactions of radiation and matter; the design of the scintillation counter; and the wide range of applications of scintillation counters in pure and applied science. The book is easy to read despite the complex nature of the subject it attempts to discuss. It is organized such that the first five chapters illustrate the fundamental concepts of scintillation counting. Chapters 6 to 10 detail the properties and applications of organic scintillators, while the next four chapters discuss inorganic scintillators. The last two chapters provide a review of some outstanding problems and a postscript. Nuclear physicists, radiation technologists, and postgraduate students of nuclear physics will find the book a good reference material.
Author : Ghenadii Korotcenkov
Publisher : Springer Nature
ISBN 13 : 3031240006
Total Pages : 700 pages
Book Rating : 4.0/5 (312 download)
Download or read book Handbook of II-VI Semiconductor-Based Sensors and Radiation Detectors written by Ghenadii Korotcenkov and published by Springer Nature. This book was released on 2023-03-30 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reference provides interdisciplinary discussion for diverse II-VI semiconductors with a wide range of topics. The third volume of a three volume set, the book provides an up-to-date account of the present status of multifunctional II-VI semiconductors, from fundamental science and processing to their applications as various sensors, biosensors, and radiation detectors, and based on them to formulate new goals for the further research. The chapters in this volume provide a comprehensive overview of the manufacture, parameters and principles of operation of these devices. The application of these devices in various fields such medicine, agriculture, food quality control, environment monitoring and others is also considered. The analysis carried out shows the great potential of II-VI semiconductor-based sensors and detectors for these applications. Considers solid-state radiation detectors based on semiconductors of II-VI group and their applications; Analyzes the advantages of II-VI compounds to develop chemical and optical gas and ion sensors; Describes all types of biosensors based on II-VI semiconductors and gives examples of their use in various fields.
Author : Paul Lecoq
Publisher : Springer
ISBN 13 : 3319455222
Total Pages : 420 pages
Book Rating : 4.3/5 (194 download)
Download or read book Inorganic Scintillators for Detector Systems written by Paul Lecoq and published by Springer. This book was released on 2016-11-25 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition features new chapters highlighting advances in our understanding of the behavior and properties of scintillators, and the discovery of new families of materials with light yield and excellent energy resolution very close to the theoretical limit. The book focuses on the discovery of next-generation scintillation materials and on a deeper understanding of fundamental processes. Such novel materials with high light yield as well as significant advances in crystal engineering offer exciting new perspectives. Most promising is the application of scintillators for precise time tagging of events, at the level of 100 ps or higher, heralding a new era in medical applications and particle physics. Since the discovery of the Higgs Boson with a clear signature in the lead tungstate scintillating blocks of the CMS Electromagnetic Calorimeter detector, the current trend in particle physics is toward very high luminosity colliders, in which timing performance will ultimately be essential to mitigating pile-up problems. New and extremely fast light production mechanisms based on Hot-Intraband-Luminescence as well as quantum confinement are exploited for this purpose. Breakthroughs such as crystal engineering by means of co-doping procedures and selection of cations with small nuclear fragmentation cross-sections will also pave the way for the development of more advanced and radiation-hard materials. Similar innovations are expected in medical imaging, nuclear physics ecology, homeland security, space instrumentation and industrial applications. This second edition also reviews modern trends in our understanding and the engineering of scintillation materials. Readers will find new and updated references and information, as well as new concepts and inspirations to implement in their own research and engineering endeavors.
Author : Takeshi Egami
Publisher : Newnes
ISBN 13 : 0080971415
Total Pages : 505 pages
Book Rating : 4.0/5 (89 download)
Download or read book Underneath the Bragg Peaks written by Takeshi Egami and published by Newnes. This book was released on 2012-12-31 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: Underneath the Bragg Peaks: Structural Analysis of Complex Materials focuses on the structural determination of crystalline solids with extensive disorder. Well-established methods exist for characterizing the structure of fully crystalline solids or fully disordered materials such as liquids and glasses, but there is a dearth of techniques for the cases in-between, crystalline solids with internal atomic and nanometer scale disorder. Egami and Billinge discuss how to fill the gap using modern tools of structural characterization. This problem is encountered in the structural characterization of a surprisingly wide range of complex materials of interest to modern technology and is becoming increasingly important. Takeshi Egami received the 2003 Eugene Bertram Warren Diffraction Physics Award for the work described in the book. The authors received 2010 J. D. Hanawalt Award from the International Union of Crystallography largely based on the success of this book. Introduces a unique method to study the atomic structure of nanomaterials Lays out the basic theory and methods of this important emerging technique The first edition is considered the seminal text on the subject
Author : Stephen Andrew Young
Publisher :
ISBN 13 :
Total Pages : 175 pages
Book Rating : 4.:/5 (131 download)
Download or read book Multifunctional Polymeric Micro- and Nanocomposite Fibers for Radiation Detection written by Stephen Andrew Young and published by . This book was released on 2013 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the shortage of 3He (helium-3), there is a great demand to develop alternative technologies for thermal neutron detection. The Department of Homeland security is interested in applications with polymeric scintillation detectors that can directly discriminate between neutron and gamma radiation using manufacturing techniques that are both inexpensive and which can be effectively implemented to produce large-area detectors. The 6Li (lithium-6) isotope has a significant thermal neutron cross-section and produces highenergy charged particles upon thermal neutron absorption. This research focuses on the development of small-diameter fibers (micro-/nanoscale) loaded with 6Li for thermal neutron detection by electrospinning and melt-spinning methods. Electrospun polymer nanofibers are attractive due to their unique volume-to-surface area as well as their chemical, electrical, and optical properties. The fibers are characterized by polymeric properties, including microstructure evaluation, response to thermal neutrons, and alpha, beta, and gamma radiation using suitable radiation facilities. 6Li-loaded polyethylene naphthalate (PEN) oriented microfibers were fabricated by melt-spinning and tested for thermal neutron detection. Additionally, (PEN)-based microfibers were integrated with carbon fiber/vinyl ester-reinforced backing to form a composite laminate with the dual function of serving as a scintillator and a structural composite material. Laminate scintillators were evaluated to study the mechanical properties and the effect of scintillation performance. Important microstructural information using a digital optical microscope and mechanical behavior, including the modulus, are both reported.
Author : John A. Dooley
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.3/5 (91 download)
Download or read book Scintillation Counters for Slow Neutrons written by John A. Dooley and published by . This book was released on 1955 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mikhail Korzhik
Publisher : Springer
ISBN 13 : 3319684655
Total Pages : 346 pages
Book Rating : 4.3/5 (196 download)
Download or read book Engineering of Scintillation Materials and Radiation Technologies written by Mikhail Korzhik and published by Springer. This book was released on 2017-11-21 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides a broad overview of the latest achievements in scintillator development, from theory to applications, and aiming for a deeper understanding of fundamental processes, as well as the discovery and availability of components for the production of new generations of scintillation materials. It includes papers on the microtheory of scintillation and the initial phase of luminescence development, applications of the various materials, and development and characterization of ionizing radiation detection equipment. The book also touches upon the increased demand for cryogenic scintillators, the renaissance of garnet materials for scintillator applications, nano-structuring in scintillator development, development and applications for security, and exploration of hydrocarbons and ecological monitoring.
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Author : Muhammad Danang Birowosuto
Publisher : IOS Press
ISBN 13 : 9781586038168
Total Pages : 224 pages
Book Rating : 4.0/5 (381 download)
Download or read book Novel [gamma]-ray and Thermal-neutron Scintillators written by Muhammad Danang Birowosuto and published by IOS Press. This book was released on 2008 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, bromide and iodide scintillators, which have been investigated for the past four years, are presented. Three major groups of compounds were studied; lanthanide trihalides LnX3, (pseudo)-elpasolites M2ALnX6 and ternary halides AmLnnXo. Where M and A are alkali cations, Ln is a rare earth cation and X is a halide anion. Some materials show interesting -scintillation properties. LuI3: Ce3+, one of lanthanide trihalides, has a record high light output of 98,000 photons/MeV and a fast response of 35 ns. Two other groups, (pseudo)-elpasolites and ternary halides, show relatively low light yields. For thermal neutron scintillator, the focus was on (pseudo)-elpasolites M2LiLnX6 and ternary halides LimLnnXo groups. Rb2LiYBr6: Ce3+ shows an excellent neutron peak resolution of 3.6 %. This is the best neutron peak resolution ever reported. Together with the large / ratio of 0.74, Rb2LiYBr6: Ce3+ offers the possibility of excellent neutron/ discrimination. The highest thermal neutron scintillation light yield of 83,000 photons/neutron is also reported for Rb2LiYBr6: Ce3+. The analysis for all halide scintillators is also presented. Limitation in their light yields and response times is discussed.
Author : Dinesh K. Aswal
Publisher : Springer Nature
ISBN 13 : 9811662738
Total Pages : 368 pages
Book Rating : 4.8/5 (116 download)
Download or read book Neutron Imaging written by Dinesh K. Aswal and published by Springer Nature. This book was released on 2022-04-12 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprehensively presents the concepts of neutron physics and imaging including neutron properties, neutron matter interaction, neutron imaging, comparison with X-ray and physics and design of neutron sources. It discusses how neutron imaging has gained importance as a powerful non-destructive technique to understand the internal structures of materials/engineered components in wide range of industries by increasing their applicability and efficiency. The book also covers the topics of neutron optics and detectors, basic principles of neutron radiography and tomography, related standards, safety, metrology and regulations in neutron imaging. The book presents applications of neutron imaging in the areas of aerospace industry, nuclear power and manufacturing industry, materials science and engineering, geomechanics, national security, biological, and medical domain. Given its scope, the book will be highly beneficial for postgraduate students, researchers and industry professionals working in the area of engineering and physics, especially non-destructive testing and non-destructive evaluation through neutron imaging.
Author : Prabhakar Misra
Publisher : CRC Press
ISBN 13 : 0824744063
Total Pages : 572 pages
Book Rating : 4.8/5 (247 download)
Download or read book Ultraviolet Spectroscopy And Uv Lasers written by Prabhakar Misra and published by CRC Press. This book was released on 2002-02-25 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents a complete and thorough examination of advances in the instrumentation, evaluation, and implementation of UV technology for reliable and efficient data acquisition and analysis. It provides real-world applications in expanding fields such as chemical physics, plasma science, photolithography, laser spectroscopy, astronomy and atmospheric science.
Author : Yacouba Diawara
Publisher : Springer Nature
ISBN 13 : 3031365461
Total Pages : 257 pages
Book Rating : 4.0/5 (313 download)
Download or read book Neutron Detectors for Scattering Applications written by Yacouba Diawara and published by Springer Nature. This book was released on 2023-08-04 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the most common neutron detectors used in neutron scattering facilities and all of those in use at Oak Ridge National Lab. It starts describing the facilities, instruments and the critical detector parameters needed by various instruments. Then the key components of the 3He-based linear position-sensitive detectors as well as on their electronics, which require particular attention to signal processing and noise reduction, are introduced. One chapter is dedicated to the 3He alternatives where scintillators play a critical role. It also covers emerging neutron detection technologies including semiconductors, vacuum-based devices and their associated readouts, which will be required in the future for high rate and high-resolution neutron detectors. The authors explain the logic behind the choice of materials as well as the various constraints that neutron detectors must respect to be useful. Some of these constraints, such as efficiency and gamma-ray sensitivity are common to all neutron counters while others, like timing resolution, dynamic range, and peak counting rate, depend on the applications. The book guides experts, the nuclear science community, and young scholars through the physical processes and the required electronics in a way that is accessible for those not professionally involved in designing detector’s components and electronic circuits.
Author : Krzysztof (Kris) Iniewski
Publisher : Springer Nature
ISBN 13 : 3030764613
Total Pages : 357 pages
Book Rating : 4.0/5 (37 download)
Download or read book Advanced Materials for Radiation Detection written by Krzysztof (Kris) Iniewski and published by Springer Nature. This book was released on 2021-08-05 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers readers an overview of some of the most recent advances in the field of advanced materials used for gamma and X-ray imaging. Coverage includes both technology and applications, with an in-depth review of the research topics from leading specialists in the field. Emphasis is on high-Z materials like CdTe, CZT and GaAs, as well as perovskite crystals, since they offer the best implementation possibilities for direct conversion X-ray detectors. Authors discuss material challenges, detector operation physics and technology and readout integrated circuits required to detect signals processes by high-Z sensors.
Author : Sajith Thottathil Abdulrahman
Publisher : Woodhead Publishing
ISBN 13 : 0128194626
Total Pages : 452 pages
Book Rating : 4.1/5 (281 download)
Download or read book Micro and Nanostructured Composite Materials for Neutron Shielding Applications written by Sajith Thottathil Abdulrahman and published by Woodhead Publishing. This book was released on 2020-06-30 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Micro- and Nanostructured Composite Materials for Neutron Shielding Applications presents recent developments and future possibilities for neutron shielding materials. Emphasis is placed on the correlation between the morphology, shielding mechanisms, and other desired properties, including their mechanical and thermal properties. The effect of neutron absorbing fillers, including their size on final properties is also examined, as are recent advancements in preparation, characterization and simulation techniques. Written by specialists in their respective fields, this comprehensive resource will help professionals and students understand the fundamentals of neutron shielding, as well as the properties of micro- and nanopolymer-based composites, concrete materials, alloy materials and metal-ceramic composites. Provides an up-to-date understanding of the fundamentals of shielding mechanisms, morphology and material property correlations Covers a broad range of micro and nano composite materials for neutron shielding Discusses recent advances surrounding the synthesis and processing of nanostructures and nanocomposite materials
Author : S. K. Omanwar
Publisher : CRC Press
ISBN 13 : 1000581241
Total Pages : 321 pages
Book Rating : 4.0/5 (5 download)
Download or read book Borate Phosphors written by S. K. Omanwar and published by CRC Press. This book was released on 2022-05-11 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: Borate-based phosphors have attracted much attention, due to their high optical stability, low-cost synthesis via conventional and non-conventional methods and resulting technology to be environmentally friendly. This book discusses the structural and chemical parameters of borates as a phosphor including suitable synthesis methods and proper characterization of materials. Further, it includes applications of borate materials such as photoluminescence, UV application, UVU application, photo therapy application and radiological applications. Features: Provides information on borate phosphors and their structure. Aids selection of proper structural and functional borates used in applications based on phosphor technology. Discloses the modification in properties of borate functional group upon mixing or substitution with other metallic functional groups. Discusses biological applications such as photo-thermal heating-based therapy, temperature sensors, imaging, and diagnosis. Includes current trends and innovations, limitations and challenges, prospects, and scope in each chapter. This book is aimed at researchers and graduate students in inorganic materials, luminescent/optical materials, materials science/engineering, and physics.
