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| Author | : V. E. Oranovski |
| Publisher | : |
| Total Pages | : 8 |
| Release | : 1965 |
| Genre | : |
| ISBN | : |
| Author | : Ratnesh Tiwari |
| Publisher | : Walter de Gruyter GmbH & Co KG |
| Total Pages | : 258 |
| Release | : 2021-12-20 |
| Genre | : Science |
| ISBN | : 3110676451 |
Phosphors are often consisting of transition-metal compounds or rare-earth compounds, with the most common application being displays and fluorescent light. This book will guide the reader through the latest developments in thermo-, electro-, mechano- and bioluminescence of rare earth phosphors and crystals. Also, the effect of doping will be discussed.
| Author | : Vikas Dubey |
| Publisher | : Elsevier |
| Total Pages | : 410 |
| Release | : 2022-06-29 |
| Genre | : Science |
| ISBN | : 0323886051 |
Rare-Earth-Activated Phosphors: Chemistry and Applications outlines important fundamentals and properties and explores successful application that address key problems across the sciences. Sections introduce phosphors and luminescence, explore their properties, characteristics, synthesis and degradation and highlight key applications across telecommunications, lighting, electroluminescent devices, (bio-)analytical sensors, bio-imaging set-ups, drug delivery and sustainable energy devices. Drawing on the knowledge of an expert team of contributors, the book provides useful insight into successfully harnessing the properties of rare earth activated phosphors for a range of important applications. Rare-earth nano-phosphors offer an interesting array of characteristics, including sharp emission bands, exceptional optical damage thresholds, low toxicity, high selectivity and stability, and long luminescence lifetimes. Understanding these properties can help researchers effectively manipulate them for a range of important applications. Provides a good introduction to the useful properties and characteristics of rare earth activated phosphors Analyzes the use of rare earth activated phosphors for a broad variety of important applications, bridging the gap between theory and application Encourages further discourse and development for improving the energy-efficiency of devices based on rare earth activated phosphors
| Author | : Mihail Nazarov |
| Publisher | : CRC Press |
| Total Pages | : 468 |
| Release | : 2011-09-02 |
| Genre | : Science |
| ISBN | : 9814310778 |
This book concentrates on the luminescence and structural properties of the new generation of europium and terbium activated phosphors, associated phenomena, and related topics, from basic principles to the most recent discoveries. It summarizes the present state of the art in this rapidly growing field. The authors describe recent developments in the areas of rare earth doped phosphors and of some new materials or well-known materials with improved properties that open up new possibilities. The areas of focus include X-ray phosphors, phosphors for light-emitting devices, emissive displays, and fluorescent lamps. The book comprises theoretical and experimental analysis of various properties of phosphors, research methods and preparation techniques, and some promising applications.
| Author | : M. D. Galanin |
| Publisher | : |
| Total Pages | : 184 |
| Release | : 1988 |
| Genre | : Science |
| ISBN | : |
| Author | : D. V. Skobel tsyn |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 154 |
| Release | : 2013-11-11 |
| Genre | : Science |
| ISBN | : 1461585465 |
It is well known that luminescence is the term used to describe the excess radiation from a body over and above the thermal radiation and persisting for a time which greatly exceeds the period of a light vibration. The first half of this definition, proposed by Wiedemann, distinguishes luminescence from equilibrium thermal radi ation; the second half, introduced by Vavilov, distinguishes luminescence from various forms of scattering and from induced radiation, such as Vavilov-Cherenkov radiation, etc. Distinctions are made between photo-, cathodo-, x-ray-, and other forms ofluminescence, depending on how energy is introduced into the luminescent body. Electroluminescence is the name given to that form of fluorescence in which the radiating body receives energy directly from an electric field. It should be noted that luminescence under the influence of cathode rays is not called electroluminescence, because in this case the necessary energy is not supplied directly from the electric field to the radiating body but by means of extraneous electrons. Electroluminescence of gaseous bodies (radiation from a gas discharge) has been known for a long time and is widely used in luminescent lamps and gas discharge tubes. In 1923 Losev [1J observed radiation from silicon carbide crystals when a voltage was applied to them di rectly.
| Author | : Sanjay J. Dhoble |
| Publisher | : CRC Press |
| Total Pages | : 382 |
| Release | : 2018-05-11 |
| Genre | : Science |
| ISBN | : 0429865376 |
Rare earth–doped luminescent materials play an integral role in modern life because of their tremendous applications ranging from scintillators, color displays, fluorescent lamps, and intensifying screens to dosimetry of ionizing radiations. Written and edited by prominent luminescence researchers, this book details cutting-edge research on luminescence materials and is illustrated throughout with excellent figures and references. It will appeal to anyone involved in luminescence research and its applications, especially advanced undergraduate-, graduate-, and postgraduate-level students of spectroscopy, solid state physics, luminescence, material synthesis, and optical properties and researchers working on the synthesis of optical materials, the characterization of luminescence materials, solid state lighting, radiation dosimetry luminescence, and phosphor applications.
| Author | : |
| Publisher | : |
| Total Pages | : 760 |
| Release | : |
| Genre | : Science |
| ISBN | : |
| Author | : Kartik N. Shinde |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 275 |
| Release | : 2012-12-15 |
| Genre | : Technology & Engineering |
| ISBN | : 3642343120 |
The idea for this book arose out of the realization that, although excellent surveys and a phosphor handbook are available, there is no single source covering the area of phosphate based phosphors especially for lamp industry. Moreover, as this field gets only limited attention in most general books on luminescence, there is a clear need for a book in which attention is specifically directed toward this rapidly growing field of solid state lighting and its many applications. This book is aimed at providing a sound introduction to the synthesis and optical characterization of phosphate phosphor for undergraduate and graduate students as well as teachers and researchers. The book provides guidance through the multidisciplinary field of solid state lighting specially phosphate phosphors for beginners, scientists and engineers from universities, research organizations, and especially industry. In order to make it useful for a wide audience, both fundamentals and applications are discussed, together.
| Author | : Kokode N S |
| Publisher | : LAP Lambert Academic Publishing |
| Total Pages | : 60 |
| Release | : 2015-06-30 |
| Genre | : |
| ISBN | : 9783659751639 |
Recent developments in field of luminescent materials show the lot of interest in this area.The silicates are the largest, the most interesting and the most complicated class of minerals than any other minerals. Silicate materials are useful in may applications of technological importance. In the present work photo luminescence investigation of rare earth activated silicate based phosphor were studied.
