Advances in Imaging and Electron Physics
Electron Emission Physics

Advances in Imaging and Electron Physics Series, Vol. 149

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Director of collection: Hawkes Peter W.

Language: Anglais
Cover of the book Advances in Imaging and Electron Physics

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360 p. · 15.2x22.9 cm · Hardback
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.
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
Physicists, electrical engineers and applied mathematicians in all branches of image processing and microscopy as well as electron physics in general