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Article Title

A New Method for Determining Thermionic Work Function of Metals and Its Application to Nickel

Document Type

Research

Abstract

A new method for determining thermionic work functions of metals has been developed and may be stated as follows: The metal sample has the approximate form of a sphere and is heated by electron bombardment from an auxiliary filament that is disconnected when measurements are made. As the sample cools the electron emission from it charges a condenser, which, at predetermined times, is discharged through a ballistic galvanometer. A Pt, Pt + 10 per cent Rh thermocouple, spot welded to the sample, measures its temperatures.

Publication Date

1933

Journal Title

Proceedings of the Iowa Academy of Science

Volume

40

Issue

1

First Page

154

Last Page

154

Copyright

© Copyright 1933 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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