This volume, which comprises a collection of papers by leading
Soviet researchers, is devoted to topics in the luminescence of
semiconductors. An experimental check is made on a series of
predictions of the theory of ionization domains. A new low-voltage
luminescence of zinc sulfide is described and investigated and is
found to be due to a high-frequency electrical instability. A
detailed study of the electrical properties of the instability and
of the characteristics of the emission testifies to the
pre-breakdown character of the electroluminescence and to the
acousto electrical nature of the instability. The luminescence
excitation spectra of AIN crystals excited in the region of the
fundamental absorption contain lines belonging to excitons and
their phonon replicas. The symmetry of the electronic and
vibrational transitions corresponding to parts of these lines is
interpreted. The results of a study of the scattering of light by
electron - hole drops in germanium are cited. The results are
discussed on the basis of a theory of exciton condensation in which
allowance is made for the diffusion of excitons toward the surface
of the drops and for the surface tens ion of the electron - hole
liquid. This volume will be of interest to a wide range of
scientific workers, particularly those engaged in the study of
luminescence and physics of semiconductors. v CONTENTS The Theory
of Ionization Domains. Generalization and Experimental Check . . 1
M. V. Fok, E. V. Devyatykh, and E. Yu. L'vova Domain Luminescence
of Z inc Sulfide . . . . ."
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