I. Introduction 332
II. Excitation of Electrons Due to the Internal Energy of the Atomic Particle-plus-solid System and Potential Ejection of Electrons 332
III. Kinetic Ejection of Electrons in Vacuum 342
IV. Radiative (Induced) Conductivity of Semiconductors Bombarded with Ions 353
V. Excitation of Luminescence by Ion Bombardment of Solids, and Ionoluminescence 358
VI. Conclusion 362
Cited Literature 364