Front Cover; Advances in Electronics and Electron Physics, Volume 25; Copyright Page; Contents; Contributors to Volume 25; Foreword; Chapter 1. Linear Ion Accelerators; I . Introduction; II. Accelerating Structures; III. Longitudinal Motion; IV. Transverse Motion; V. RF Cavity Design Parameters; VI. Sources of RF Power; VII. Field Distribution in Long Linac Cavities; VIII. Injection; IX. Applications of Linacs; X. Superconducting Linacs; List of Symbols; References; Chapter 2. The Hall Effect and Its Applications; I. Theory of Hall Effects

II. Relations between Galvanomagnetic and Thermomagnetic EffectsIII. Hall Effect Devices: Definitions and General Properties; IV. Application of Hall Effect Devices; V. Description of Devices; VI. Error Sources in Hall Effect Devices; VII. Conclusions; References; Chapter 3. Recent Theoretical Advances in the Terrestrial Propagation of VLF Electromagnetic Waves; I. Introduction; II. Propagation along a Spherical Surface; III. Introduction of the Sky Waves; IV. Accounting for the Multiple Reflections; V. The Flat Earth Limit; VI. Earth-Detached Modes; VII. Some Concrete Results

VIII. The Planar AnalogIX. Extension to an Inhomogeneous Ionosphere; X. Extension to Anisotropic Ionosphere; XI. Comparison with Some Experimental Data; XII. Propagation in the Earth-Ionosphere Waveguide with Slowly Varying Changes in Height; XIII. Mode Conversion Effects; XIV. Mode Conversion in Cascaded Transition Sections; XV. Concluding Remarks; Appendix A : Approximation of the Spherical Wave Functions; Appendix B: Scattering Coefficients Sn,m for an Abrupt Day-Night Transition; References; Chapter 4. Thermionic Cathodes; I. Introduction; II. Barium Oxide as a Semiconductor

III. The Oxide-Coated CathodeIV. Adsorption and Semiconducting Properties; References; Chapter 5. Resolution in Electron Microscopy; I. Introduction; II. Contrast Transfer; III. Diffraction Theory of Electron-Optical Images; IV. Conclusions from the Theory; V. Resolution in Lattice Images; VI. Images of Thin Films; VII. Visibility of Atoms; VIII. Resolution and the Third Dimension of the Object; IX. Resolution of the Photographic Recorder; X. Resolution and Vision; XI. Conclusion; References; Author Index; Subject Index