Cover; Contents; Contributors to Volumes 17; Foreword; Chapter 1. The General Perturbational Theory of Space-Harmonic Traveling-Wive Electron Interaction; I. Introduction; II. Self and Mutual Beam-Circuit Capacitances, and Beam-Circuit Coupling Coefficients; III. The Electrokinetic Bunching Equations; IV. The Circuit Equations; V. Complex Exponential Notation for Beam and Circuit Variable; VI. Voltage-Ratio Beam-Circuit Coupling Coefficient ?v, for a Spatially Periodic Structure; VII. Beam-Circuit Self-capacitance Cq, Governing the Space-Charge Voltage

VIII. Charge-Ratio and Voltage-Ratio Beam-Circuit Coupling CoefficientsIX. The Space-Harmonic Interaction Characteristic Equation; X. The Gain, Space-Charge, and Circuit Loss Parameters; XI. Normalization Relative to the Gain Parameter Ca; XII. Expressions for Growing-Wave Hot-Circuit Gain and Cold- Circuit Loss in Terms of Tube Length; XIII. The First-Order Quartics for Propagation-Constant Perturbation Due to Space-Harmonic Interaction; XIV. Graphical Study of the Perturbational Quartic Equation; XV. The Quartic for Drive of the Forward Total Wave; XVI. Frequency Offset Effects

Reduction to CubicXVII. The Nearly-Cubic Quartic, for Zero Values of Frequency Offset, Loss, and Space Charge; XVIII. The Electrokinetic Boundary Conditions at Electron Entrance into the rf Field; XIX. The Electromagnetic Conditions at Electron Entrance to and Exit from rf Field; XX. Relative Amplitudes of the Four Perturbed Waves; Voltage Gain; XXI. Phasor Representation of Backward-Wave Gain-Producing Interference; XXII. Backward-Wave Gain Evaluation; XXIII. The Start-Oscillation Conditions; XXIV. Start-Oscillation Current and Device Length; Voltage Tunability; Gain Bandwidth Product

XXV. Concluding CommentsReferences; Chapter 2. Thermionic Energy Conversion; I. Introduction; II. Idealized Model of a Thermionic Converter; III. The Work Function of Various Surfaces; IV. Vacuum Thermionic Energy Converters; V. Cesium Thermionic Energy Converters; VI. Devices Using Auxiliary Discharges; VII. Devices Using Fission Fragments for Ion Production; VIII. Applications of Thermionic Converters; IX. Summary and Future Trends; References; Chapter 3. Thermoelectricity; I. Introduction; II. Basic Considerations; III. Materials; IV. Practical Considerations

V. Thermoelectric ApplicationsVI. Theory and Problems; References; Chapter 4. Impact Evaporation and Thin Film Growth in a Glow Discharge; I. Introduction; II. Emission of Charged Particles from Metal Surfaces by Energetic Particles; III. High Vacuum Impact Evaporation (Cathode Sputtering); IV. Glow Discharge Characteristics; V. Nucleation and Film Growth in High Vacuum Environment; VI. Film Growth in Glow Discharge Environment; VII. Reactive Impact Evaporation; References; Chapter 5. Ultrahigh Vacuum; I. Introduction; II. Physical Processes; III. Technology of Ultrahigh Vacuum