7. Transport equations for gas discharges
7.1. Equations for the charged particles
7.2. The drift-diffusion approximation
7.3. Summary
part III. Gas discharges and plasmas. 8. Discharge initiation and plasma formation
8.1. Townsend behavior below the breakdown threshold
8.2. Pressure times distance and reduced electric field scaling
8.3. Breakdown
8.4. Summary
9. The basic discharge structure
9.1. The sheath and the plasma
9.2. The physics of the sheath
9.3. Summary
10. The classical dc discharge
10.1. The basics of electrical circuits
10.2. dc discharge circuit and operation
10.3. Properties of the dc glow discharge
10.4. Summary
11. Whence and whither
11.1. What was learned
11.2. What is next.
1. Introduction
1.1. Overview
1.2. Classification of gas discharges
1.3. Summary
part I. Ionization. 2. Foundations from gas dynamics
2.1. The atom, the molecule, and excited states
2.2. The statistics of a gas
2.3. Kinetics
2.4. Summary
3. Elementary electron behavior
3.1. Electron-driven gaseous reactions
3.2. Electron-neutral collisions and the collision cross-section
3.3. Electron energy distribution
3.4. Electron collision frequency and reaction rates
3.5. Summary
4. Gaseous ionization processes
4.1. Electron-impact ionization
4.2. Ion-impact ionization
4.3. Photoionization
4.4. Thermal ionization
4.5. Step ionization
4.6. Penning ionization
4.7. Electron attachment
4.8. Summary
5. Electrode processes
5.1. Importance of electron emission
5.2. Foundational concepts
5.3. General electron emission
5.4. Secondary emission
5.5. Summary
part II. Ion transport. 6. Foundations from general transport theory
6.1. Basics of transport
6.2. Transport equations
6.3. Summary