Advances in Imaging and Electron Physics

Advances in Imaging and Electron Physics

Electron Emission Physics

1st Edition - November 26, 2007

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  • Editor: Peter Hawkes
  • eBook ISBN: 9780080556833
  • Hardcover ISBN: 9780123742070

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Description

Advances in Imaging and Electron Physics merges two long-running serials-Advances in Electronics and Electron Physics and Advances in Optical and Electron Microscopy. This series features extended articles on the physics of electron devices (especially semiconductor devices), particle optics at high and low energies, microlithography, image science and digital image processing, electromagnetic wave propagation, electron microscopy, and the computing methods used in all these domains.This thematic volume is on the topic of "Field-emission Source Mechanisms" and is authored by Kevin Jensen, Naval Research Laboratory, Washington, DC.

Readership

Physicists, electrical engineers and applied mathematicians in all branches of image processing and microscopy as well as electron physics in general

Table of Contents

  • I. FIELD AND THERMIONIC EMISSION FUNDAMENTALS
    A. A Note On Units
    B. Free Electron Gas
    C. Nearly Free Electron Gas
    D. The Surface Barrier to Electron Emission
    E. The Image Charge Approximation
    II. THERMAL AND FIELD EMISSION
    A. Current Density
    B. Exactly Solvable Models
    C. WKB “Area Under the Curve” Models
    D. Numerical Methods
    E. The Thermal and Field Emission Equation
    F. The Revised FN-RLD Equation and the inference of Work Function
    from experimental data
    G. Recent Revisions of the Standard Thermal an Field Models
    H. The General Thermal-Field Equation
    I. Thermal Emittance
    III. PHOTOEMISSION
    A. Background
    B. Quantum Efficiency
    C. The Probability of emission
    D. Reflection and Penetration Depth
    E. Conductivity
    F. Scattering Rates
    G. Scattering factor
    H. Temperature of a Laser-illuminated Surface
    I. Numerical Solution of the Coupled Thermal Equations
    J. Revisions to the Modified Fowler Dubridge Model: Quantum Effects
    K. Quantum Efficiency Revisited: A Moments-based Approach
    L. The Quantum Efficiency of Bare Metals
    M. The Emittance and Brightness of Photocathodes
    IV. LOW WORK FUNCTION COATINGS AND ENHANCED EMISSION
    A. Some History
    B. A Simple Model of a Low Work Function Coating
    C. A Less Simple Model of the Low Work Function Coating
    D. The (Modified) Gyftopoulos-Levine Model of Work Function
    Reduction
    E. Comparison of the Modified Gyftopoulos-Levine Model to
    Thermionic Data
    F. Comparison of the Modified Gyftopoulos-Levine Model to
    Photoemission Data
    V. APPENDICES
    A. Integrals related to Fermi-Dirac and Bose-Einstein Statistics
    B. The Riemann Zeta function

Product details

  • No. of pages: 360
  • Language: English
  • Copyright: © Academic Press 2007
  • Published: November 26, 2007
  • Imprint: Academic Press
  • eBook ISBN: 9780080556833
  • Hardcover ISBN: 9780123742070

About the Serial Editor

Peter Hawkes

Peter Hawkes
Professor Peter Hawkes obtained his M.A. and Ph.D (and later, Sc.D.) from the University of Cambridge, where he subsequently held Fellowships of Peter House and of Churchill College. From 1959 – 1975, he worked in the electron microscope section of the Cavendish Laboratory in Cambridge, after which he joined the CNRS Laboratory of Electron Optics in Toulouse, of which he was Director in 1987. He was Founder-President of the European Microscopy Society and is a Fellow of the Optical Society of America. He is a member of the editorial boards of several microscopy journals and serial editor of Advances in Electron Optics.

Affiliations and Expertise

Laboratoire d'Optique Electronique du Centre National de la Recherche Scientifique (CEMES), France

About the Author

Kevin Jensen

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