Modern Developments In Vacuum Electron Sources

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Modern Developments in Vacuum Electron Sources

Author : Georg Gaertner
Publisher : Springer Nature
ISBN 13 : 3030472914
Total Pages : 609 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Modern Developments in Vacuum Electron Sources by : Georg Gaertner

Download or read book Modern Developments in Vacuum Electron Sources written by Georg Gaertner and published by Springer Nature. This book was released on 2020-10-09 with total page 609 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an overview of modern cathodes and electron emitters for vacuum tubes and vacuum electron devices in general. It covers the latest developments in field emission theory as well as new methods towards improving thermionic and cold cathodes. It addresses thermionic cathodes, such as oxide cathodes, impregnated and scandate cathodes, as well as photocathodes and field emitters – the latter comprising carbon nanotubes, graphene and Spindt-type emitter arrays. Despite the rise and fall of the once dominant types of vacuum tubes, such as radio valves and cathode ray tubes, cathodes are continually being improved upon as new applications with increased demands arise, for example in electron beam lithography, high-power and high-frequency microwave tubes, terahertz imaging and electron sources for accelerators. Written by 17 experts in the field, the book presents the latest developments in cathodes needed for these applications, discussing the state of the art and addressing future trends.

Microwave and RF Vacuum Electronic Power Sources

Author : Richard G. Carter
Publisher : Cambridge University Press
ISBN 13 : 0521198623
Total Pages : 843 pages
Book Rating : 4.5/5 (211 download)

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Book Synopsis Microwave and RF Vacuum Electronic Power Sources by : Richard G. Carter

Download or read book Microwave and RF Vacuum Electronic Power Sources written by Richard G. Carter and published by Cambridge University Press. This book was released on 2018-04-12 with total page 843 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get up-to-speed on the theory, principles and design of vacuum electron devices.

Field Emission Electronics

Author : Nikolay Egorov
Publisher : Springer
ISBN 13 : 3319565613
Total Pages : 578 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Field Emission Electronics by : Nikolay Egorov

Download or read book Field Emission Electronics written by Nikolay Egorov and published by Springer. This book was released on 2017-06-01 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is dedicated to field emission electronics, a promising field at the interface between “classic” vacuum electronics and nanotechnology. In addition to theoretical models, it includes detailed descriptions of experimental and research techniques and production technologies for different types of field emitters based on various construction principles. It particularly focuses on research into and production of field cathodes and electron guns using recently developed nanomaterials and carbon nanotubes. Further, it discusses the applications of field emission cathodes in new technologies such as light sources, flat screens, microwave and X-ray devices.

Vacuum Electronics

Author : Joseph A. Eichmeier
Publisher : Springer Science & Business Media
ISBN 13 : 3540719296
Total Pages : 548 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Vacuum Electronics by : Joseph A. Eichmeier

Download or read book Vacuum Electronics written by Joseph A. Eichmeier and published by Springer Science & Business Media. This book was released on 2008-03-04 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nineteen experts from the electronics industry, research institutes and universities have joined forces to prepare this book. It does nothing less than provide a complete overview of the electrophysical fundamentals, the present state of the art and applications, as well as the future prospects of microwave tubes and systems. The book does the same for optoelectronics vacuum devices, electron and ion beam devices, light and X-ray emitters, particle accelerators and vacuum interrupters.

Nanostructured Carbon Electron Emitters and Their Applications

Author : Yahachi Saito
Publisher : CRC Press
ISBN 13 : 1000333795
Total Pages : 374 pages
Book Rating : 4.0/5 (3 download)

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Book Synopsis Nanostructured Carbon Electron Emitters and Their Applications by : Yahachi Saito

Download or read book Nanostructured Carbon Electron Emitters and Their Applications written by Yahachi Saito and published by CRC Press. This book was released on 2022-01-27 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon forms a variety of allotropes due to the diverse hybridization of s- and p-electron orbitals, including the time-honored graphite and diamond as well as new forms such as C60 fullerene, nanotubes, graphene, and carbyne. The new family of carbon isotopes—fullerene, nanotubes, graphene, and carbyne—is called “nanostructured carbon” or “nanocarbon.” These isotopes exhibit extreme properties such as ultrahigh mechanical strength, ultrahigh charge–carrier mobility, and high thermal conductivity, attracting considerable attention for their electronic and mechanical applications as well as for exploring new physics and chemistry in the field of basic materials science. Electron sources are important in a wide range of areas, from basic physics and scientific instruments to medical and industrial applications. Carbon nanotubes (CNTs) and graphene behave as excellent electron-field emitters owing to their exceptional properties and offer several benefits compared to traditional cathodes. Field emission (FE) produces very intense electron currents from a small surface area with a narrow energy spread, providing a highly coherent electron beam—a combination that not only provides us with the brightest electron sources but also explores a new field of electron beam–related research. This book presents the enthusiastic research and development of CNT-based FE devices and focuses on the fundamental aspects of FE from nanocarbon materials, including CNTs and graphene, and the latest research findings related to it. It discusses applications of FE to X-ray and UV generation and reviews electron sources in vacuum electronic devices and space thrusters. Finally, it reports on the new forms of carbon produced via FE from CNT.

Principles of Electron Optics, Volume 4

Author : Peter W. Hawkes
Publisher : Academic Press
ISBN 13 : 0323916473
Total Pages : 665 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Principles of Electron Optics, Volume 4 by : Peter W. Hawkes

Download or read book Principles of Electron Optics, Volume 4 written by Peter W. Hawkes and published by Academic Press. This book was released on 2022-05-10 with total page 665 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles of Electron Optics: Second Edition, Advanced Wave Optics provides a self-contained, modern account of electron optical phenomena with the Dirac or Schrödinger equation as a starting point. Knowledge of this branch of the subject is essential to understanding electron propagation in electron microscopes, electron holography and coherence. Sections in this new release include, Electron Interactions in Thin Specimens, Digital Image Processing, Acquisition, Sampling and Coding, Enhancement, Linear Restoration, Nonlinear Restoration – the Phase Problem, Three-dimensional Reconstruction, Image Analysis, Instrument Control, Vortex Beams, The Quantum Electron Microscope, and much more. - Includes authoritative coverage of many recent developments in wave electron optics - Describes the interaction of electrons with solids and the information that can be obtained from electron-beam techniques - Includes new content on multislice optics, 3D reconstruction, Wigner optics, vortex beams and the quantum electron microscope

Microwave Electronic Devices

Author : T.G. Roer
Publisher : Springer Science & Business Media
ISBN 13 : 1461525004
Total Pages : 354 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Microwave Electronic Devices by : T.G. Roer

Download or read book Microwave Electronic Devices written by T.G. Roer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with microwave electronics, that is to say those components of microwave circuits that generate, amplify, detect or modulate signals. It is based on a course given in the Electrical Engineering Department of Eindhoven University since 1985 and on about twenty years of experience in the microwave field. Somewhat to my surprise I found that there were hardly any textbooks that addressed the specific properties and demands of microwave devices, including vacuum devices and their interactions with circuits. Numerous books exist on semiconductor electronic devices, dealing in an excellent way with the basic device physics, but being somewhat brief on typical micro wave aspects. On the other hand there are also many books that concentrate on electromagnetic theory and passive circuits, treating devices without reference to the underlying physics. In between there are some entirely devoted to a particular device, for example, the GaAs MESFET. With regard to tubes the situation is even worse: books that treat the basic principles are usually quite old and modern books often concentrate on specific devices, like high power tubes. So it seems that there is room for a book like this one. Its aim is to provide an elementary understanding ofmicrowave electronic devices, both vacuum and semiconductor, on the one hand in relation to the basic physics underlying their operation and on the other in relation to their circuit applications.

Nuclear Science Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 1146 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nuclear Science Abstracts by :

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 1146 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Supramolecular And Colloidal Structures In Biomaterials And Biosubstrates

Author : Moti Lal
Publisher : World Scientific
ISBN 13 : 1783261676
Total Pages : 506 pages
Book Rating : 4.7/5 (832 download)

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Book Synopsis Supramolecular And Colloidal Structures In Biomaterials And Biosubstrates by : Moti Lal

Download or read book Supramolecular And Colloidal Structures In Biomaterials And Biosubstrates written by Moti Lal and published by World Scientific. This book was released on 2000-05-12 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: Of central importance in personal care, food, pharmaceutics, and biotechnology, biomaterials and biosubstrates formed the subject of the fifth meeting of the Royal Society-Unilever INDO-UK Forum in Materials Science and Engineering. The programme for this meeting dwelt on two principal foci: (i) new advances in the measurement of the supramolecular and colloidal structures, and (ii) the relationship of these structures to the functional properties of the materials.This volume is a compilation of selected papers presented at the meeting by world-renowned scientists who included, among others, Prof E D T Atkins (Bristol, UK), Prof N Chandrakumar (Chennai, India), Dr A M Hermansson (Goteborg, Sweden), Dr V J Morris (Norwich, UK), Prof P Walstra (Wageningen, The Netherlands), Dr V Prakash (Mysore, India), Prof S B Ross-Murphy (King's College, London, UK), Prof G E Rogers (Adelaide, Australia), Dr T Kealey (Cambridge, UK) and Prof N Appaji Rao (Bangalore, India)./a

Energy and Water Development Appropriations for 2005

Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher :
ISBN 13 :
Total Pages : 1458 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Energy and Water Development Appropriations for 2005 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development

Download or read book Energy and Water Development Appropriations for 2005 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2004 with total page 1458 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Recent Advances in Nanofabrication Techniques and Applications

Author : Bo Cui
Publisher : BoD – Books on Demand
ISBN 13 : 953307602X
Total Pages : 630 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Recent Advances in Nanofabrication Techniques and Applications by : Bo Cui

Download or read book Recent Advances in Nanofabrication Techniques and Applications written by Bo Cui and published by BoD – Books on Demand. This book was released on 2011-12-02 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotechnology has experienced a rapid growth in the past decade, largely owing to the rapid advances in nanofabrication techniques employed to fabricate nano-devices. Nanofabrication can be divided into two categories: "bottom up" approach using chemical synthesis or self assembly, and "top down" approach using nanolithography, thin film deposition and etching techniques. Both topics are covered, though with a focus on the second category. This book contains twenty nine chapters and aims to provide the fundamentals and recent advances of nanofabrication techniques, as well as its device applications. Most chapters focus on in-depth studies of a particular research field, and are thus targeted for researchers, though some chapters focus on the basics of lithographic techniques accessible for upper year undergraduate students. Divided into five parts, this book covers electron beam, focused ion beam, nanoimprint, deep and extreme UV, X-ray, scanning probe, interference, two-photon, and nanosphere lithography.

Advances in Electronics and Electron Physics

Author :
Publisher : Academic Press
ISBN 13 : 0080577490
Total Pages : 295 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Advances in Electronics and Electron Physics by :

Download or read book Advances in Electronics and Electron Physics written by and published by Academic Press. This book was released on 1992-08-17 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Electronics and Electron Physics

A Century of Excellence in Measurements, Standards, and Technology

Author : David R. Lide
Publisher : CRC Press
ISBN 13 : 1351077848
Total Pages : 396 pages
Book Rating : 4.3/5 (51 download)

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Book Synopsis A Century of Excellence in Measurements, Standards, and Technology by : David R. Lide

Download or read book A Century of Excellence in Measurements, Standards, and Technology written by David R. Lide and published by CRC Press. This book was released on 2018-02-06 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Established by Congress in 1901, the National Bureau of Standards (NBS), now the National Institute of Standards and Technology (NIST), has a long and distinguished history as the custodian and disseminator of the United States' standards of physical measurement. Having reached its centennial anniversary, the NBS/NIST reflects on and celebrates its first century with this book describing some of its seminal contributions to science and technology. Within these pages are 102 vignettes that describe some of the Institute's classic publications. Each vignette relates the context in which the publication appeared, its impact on science, technology, and the general public, and brief details about the lives and work of the authors. The groundbreaking works depicted include: A breakthrough paper on laser-cooling of atoms below the Doppler limit, which led to the award of the 1997 Nobel Prize for Physics to William D. Phillips The official report on the development of the radio proximity fuse, one of the most important new weapons of World War II The 1932 paper reporting the discovery of deuterium in experiments that led to Harold Urey's1934 Nobel Prize for Chemistry A review of the development of the SEAC, the first digital computer to employ stored programs and the first to process images in digital form The first paper demonstrating that parity is not conserved in nuclear physics, a result that shattered a fundamental concept of theoretical physics and led to a Nobel Prize for T. D. Lee and C. Y. Yang "Observation of Bose-Einstein Condensation in a Dilute Atomic Vapor," a 1995 paper that has already opened vast new areas of research A landmark contribution to the field of protein crystallography by Wlodawer and coworkers on the use of joint x-ray and neutron diffraction to determine the structure of proteins

Electron Probe Quantitation

Author : K.F.J. Heinrich
Publisher : Springer Science & Business Media
ISBN 13 : 0306438240
Total Pages : 412 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Electron Probe Quantitation by : K.F.J. Heinrich

Download or read book Electron Probe Quantitation written by K.F.J. Heinrich and published by Springer Science & Business Media. This book was released on 1991-06-30 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1968, the National Bureau of Standards (NBS) published Special Publication 298 "Quantitative Electron Probe Microanalysis," which contained proceedings of a seminar held on the subject at NBS in the summer of 1967. This publication received wide interest that continued through the years far beyond expectations. The present volume, also the result of a gathering of international experts, in 1988, at NBS (now the National Institute of Standards and Technology, NIST), is intended to fulfill the same purpose. After years of substantial agreement on the procedures of analysis and data evaluation, several sharply differentiated approaches have developed. These are described in this publi cation with all the details required for practical application. Neither the editors nor NIST wish to endorse any single approach. Rather, we hope that their exposition will stimulate the dialogue which is a prerequisite for technical progress. Additionally, it is expected that those active in research in electron probe microanalysis will appreciate more clearly the areas in which further investigations are warranted.

Radio Broadcast

Author :
Publisher :
ISBN 13 :
Total Pages : 1094 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Radio Broadcast by :

Download or read book Radio Broadcast written by and published by . This book was released on 1922 with total page 1094 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Carbon Nanotube and Related Field Emitters

Author : Yahachi Saito
Publisher : John Wiley & Sons
ISBN 13 : 3527632107
Total Pages : 551 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Carbon Nanotube and Related Field Emitters by : Yahachi Saito

Download or read book Carbon Nanotube and Related Field Emitters written by Yahachi Saito and published by John Wiley & Sons. This book was released on 2010-10-01 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes (CNTs) have novel properties that make them potentially useful in many applications in nanotechnology, electronics, optics and other fields of materials science. These characteristics include extraordinary strength, unique electrical properties, and the fact that they are efficient heat conductors. Field emission is the emission of electrons from the surface of a condensed phase into another phase due to the presence of high electric fields. CNT field emitters are expected to make a breakthrough in the development of field emission display technology and enable miniature X-ray sources that will find a wide variety of applications in electronic devices, industry, and medical and security examinations. This first monograph on the topic covers all aspects in a concise yet comprehensive manner - from the fundamentals to applications. Divided into four sections, the first part discusses the preparation and characterization of carbon nanotubes, while part two is devoted to the field emission properties of carbon nanotubes, including the electron emission mechanism, characteristics of CNT electron sources, and dynamic behavior of CNTs during operation. Part three highlights field emission from other nanomaterials, such as carbon nanowalls, diamond, and silicon and zinc oxide nanowires, before concluding with frontier R&D applications of CNT emitters, from vacuum electronic devices such as field emission displays, to electron sources in electron microscopes, X-ray sources, and microwave amplifiers. Edited by a pioneer in the field, each chapter is written by recognized experts in the respective fields.

Electron Microscopy of Polymers

Author : Goerg H. Michler
Publisher : Springer Science & Business Media
ISBN 13 : 3540363521
Total Pages : 472 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Electron Microscopy of Polymers by : Goerg H. Michler

Download or read book Electron Microscopy of Polymers written by Goerg H. Michler and published by Springer Science & Business Media. This book was released on 2008-07-05 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of polymers by electron microscopy (EM) needs special techniques, precautions and preparation methods, including ultramicrotomy. General characteristics of the different techniques of EM, including scanning force microscopy, are given in this hands-on book. The application of these techniques to the study of morphology and properties, particularly micromechanical properties, is described in detail. Examples from all classes of polymers are presented.