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Theoretical Treatment Of Electron Emission And Related Phenomena

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Theoretical Treatment Of Electron Emission And Related Phenomena

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Author : Benjamin Seznec
language : en
Publisher: Springer Nature
Release Date : 2022-06-14

Theoretical Treatment Of Electron Emission And Related Phenomena written by Benjamin Seznec and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-14 with Science categories.

This book introduces readers to the physics governing electron emission under high voltages and temperatures, and highlights recent modeling and numerical developments for describing these phenomena. It begins with a brief introduction, presenting several applications that have driven electron emission research in the last few decades. The authors summarize the most relevant theories including the physics of thermo-field electron emission and the main characteristic parameters. Based on these theories, they subsequently describe numerical multi-physics models and discuss the main findings on the effect of space charges, emitter geometry, pulse duration, etc. Beyond the well-known photoelectric effect, the book reviews recent advanced theories on photon-metal interaction. Distinct phenomena occur when picosecond and femtosecond lasers are used to irradiate a surface. Their consequences on metal electron dynamics and heating are presented and discussed, leading to various emission regimes – in and out of equilibrium. In closing, the book reviews the effects of electron emission on high-voltage operation in vacuum, especially breakdown and conditioning, as the most common examples. The book offers a uniquely valuable resource for graduate and PhD students whose work involves electron emission, high-voltage holding, laser irradiation of surfaces, vacuum or discharge breakdown, but also for academic researchers and professionals in the field of accelerators and solid state physics with an interest in this highly topical area.

Theory Of Thermoluminescence And Related Phenomena

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Author : Reuven Chen
language : en
Publisher: World Scientific
Release Date : 1997

Theory Of Thermoluminescence And Related Phenomena written by Reuven Chen and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.

In this book, the authors give an up-to-date account of thermoluminescence (TL) and other thermally stimulated phenomena. Although most recent experimental results of TL in different materials are described in some detail, the main emphasis in the present book is on general processes, and the approach is more theoretical. Thus the details of the possible processes which can take place during the excitation of the sample, and during its heating, are carefully analysed. The methods for analysing TL glow curves are critically discussed, and recommendations as to their application are made. Also discussed is the expected behavior of these phenomena as functions of the experimental parameters, for example, dose of excitation. The consequences of the main applications of TL (for example, radiation dosimetry) are also discussed in detail as are the similarities and dissimilarities of other thermally stimulated phenomena, and the simultaneous measurements of the latter and TL.

Theory And Application Of Secondary Electron Emission

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Author : Wanzhao Cui
language : en
Publisher: CRC Press
Release Date : 2025-07-15

Theory And Application Of Secondary Electron Emission written by Wanzhao Cui and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-07-15 with Technology & Engineering categories.

This book examines the physical mechanisms of secondary electrons and recent developments, focusing on the theory and applications of secondary electron emission and suppression technology. With the development of the modern information industry, space microwave technology, new materials, devices, and high-precision processing methods, secondary electron emission and its applications face new scientific and engineering challenges and opportunities. This book discusses theoretical models, measurements, data results, surface processes, and dielectric charging analysis of secondary electron emission. It covers key areas such as particle physics theory, simulation algorithms, magneto-hydrodynamics, surface processes, and surface characterization. The secondary electron yield and energy spectrum data are disclosed and analyzed, benefiting fields such as space microwave multipactor, scanning electron microscope (SEM), particle accelerator, and microwave plasma. Several typical application scenarios are also presented. Using the secondary electron emission data provided, this book shows how the secondary electron multiplication effect can be suppressed and exploited to improve device performance. This title will be a valuable reference for researchers and students interested in the physical mechanisms of secondary electrons, SEM, accelerators, electrostatic discharge, and space multipactor.

Plasma And Spot Phenomena In Electrical Arcs

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Author : Isak Beilis
language : en
Publisher: Springer Nature
Release Date : 2020-09-05

Plasma And Spot Phenomena In Electrical Arcs written by Isak Beilis and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-05 with Science categories.

This book is devoted to a thorough investigation of the physics and applications of the vacuum arc – a highly-ionized metallic plasma source used in a number of applications – with emphasis on cathode spot phenomena and plasma formation. The goal is to understand the origins and behavior of the various complex and sometimes mysterious phenomena involved in arc formation, such as cathode spots, electrode vaporization, and near-electrode plasma formation. The book takes the reader from a model of dense cathode plasma based on charge-exchange ion-atom collisions through a kinetic approach to cathode vaporization and on to metal thermophysical properties of cathodes. This picture is further enhanced by an in-depth study of cathode jets and plasma acceleration, the effects of magnetic fields on cathode spot behavior, and electrical characteristics of arcs and cathode spot dynamics. The book also describes applications to space propulsion, thin film deposition, laser plasma generation, and magnetohydrodynamics, making this comprehensive and up-to-date volume a valuable resource for researchers in academia and industry.

Introduction To The Physics Of Electron Emission

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Author : Kevin L. Jensen
language : en
Publisher: John Wiley & Sons
Release Date : 2024-08-19

Introduction To The Physics Of Electron Emission written by Kevin L. Jensen and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-19 with Science categories.

A practical, in-depth description of the physics behind electron emission physics and its usage in science and technology Electron emission is both a fundamental phenomenon and an enabling component that lies at the very heart of modern science and technology. Written by a recognized authority in the field, with expertise in both electron emission physics and electron beam physics, An Introduction to Electron Emission provides an in-depth look at the physics behind thermal, field, photo, and secondary electron emission mechanisms, how that physics affects the beams that result through space charge and emittance growth, and explores the physics behind their utilization in an array of applications. The book addresses mathematical and numerical methods underlying electron emission, describing where the equations originated, how they are related, and how they may be correctly used to model actual sources for devices using electron beams. Writing for the beam physics and solid state communities, the author explores applications of electron emission methodology to solid state, statistical, and quantum mechanical ideas and concepts related to simulations of electron beams to condensed matter, solid state and fabrication communities. Provides an extensive description of the physics behind four electron emission mechanisms—field, photo, and secondary, and how that physics relates to factors such as space charge and emittance that affect electron beams. Introduces readers to mathematical and numerical methods, their origins, and how they may be correctly used to model actual sources for devices using electron beams Demonstrates applications of electron methodology as well as quantum mechanical concepts related to simulations of electron beams to solid state design and manufacture Designed to function as both a graduate-level text and a reference for research professionals Introduction to the Physics of Electron Emission is a valuable learning tool for postgraduates studying quantum mechanics, statistical mechanics, solid state physics, electron transport, and beam physics. It is also an indispensable resource for academic researchers and professionals who use electron sources, model electron emission, develop cathode technologies, or utilize electron beams.

Lasers And Masers A Continuing Bibliography

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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1965

Lasers And Masers A Continuing Bibliography written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Lasers categories.