The Photoelectric and Optical Properties of Sodium and Barium
- 1 April 1940
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 57 (7) , 653-658
- https://doi.org/10.1103/physrev.57.653
Abstract
Experimental spectral distribution curves have been obtained for sodium and barium using polarized and unpolarized radiation. The work function of sodium was determined as 2.28 ev and that of barium as 2.48 ev. The experimental data are compared with the theory of Mitchell. The theory fails satisfactorily to account for the absolute photoelectric yields and for the ratio of the photoelectric yields obtained with radiation polarized parallel and perpendicular to the plane of incidence.Keywords
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