IN a previous letter1 we have shown that, in mercury carefully freed from gas ions, the First Benedicks effect exists with a positive sign, whereas in the presence of gas ions the effect had shown a negative sign. The influence of gas ions actually seems thoroughly to modify the thermoelectric properties of some metals.
NATURE, 141, 1097 (1938).
Benedicks, C., and Siljeholm, G., Ark. Mat. Astron. Fys., Stockholm, 24 A, No. 7 (1933), (see Fig. 41).
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BENEDICKS, C., SEDERHOLM, P. First Benedicks Effect in Gas-Free Mercury, as Influenced by the Mean Temperature. Nature 145, 148 (1940). https://doi.org/10.1038/145148a0