Abstract
THE discovery of electron beams is traced back to PAucker (1859) and the recognition of their nature to Schuster's first determination of the ratio of charge to mass in 1884; but their principal interest arises from the discovery of interference effects, depending on a wave-like character of the electron. This has been demonstrated by the development of Debye-Scherrer rings by scattering (i) in thin films of a solid as in G. P. Thomson's already classical experiments with gold foil and the more recent beautiful photographs of G. I. Finch, and (ii) in vapours, as studied by Mark and Wierl in Lud-wigshafen and later in England by de Laszlo. These and cognate topics are reviewed in a monograph which covers 236 pages and includes 182 figures.
Hand- und Jahrbuch der chemischen Physik
A.
Eucken
K. L.
Wolf
Herausgegeben von. Band 6, Abschnitt 1A: Elektronenstrahlen and ihre Wechselwirkung mit Materie. Von J. Hengstenberg und Karl Wolf. Pp. 236 + 12. (Leipzig: Akademische Verlagsgesellschaft m.b.H., 1935.) 24 gold marks.
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Hand- und Jahrbuch der chemischen Physik. Nature 136, 778 (1935). https://doi.org/10.1038/136778d0
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DOI: https://doi.org/10.1038/136778d0