Abstract
Electric conduction through calcium stearate Langmuir films of several monomolecular layers has been studied. The devices are prepared by transferring monolayers of stearic acid spread on an aqueous surface to an evaporated tin electrode on a glass substrate and evaporating the upper electrode. Tunnel emission is observed when the aluminum upper electrode is negatively biased and Schottky emission is observed when the lower electrode is negatively biased. The trapezoidal energy barrier model of Simmons adequately accounts for the details of current‐voltage‐temperature characteristics. The observed barrier height at the stearate and tin interface is 0.8 ev and that at the stearate and aluminum interface is 1.3 ev.
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