Apparatus and method for tunnel current measurement observed sim

Details Apparatus and method for tunnel current measurement observed sim Apparatus and method for tunnel current measurement observed sim

1988-11-23

1990-11-13

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

204404, 20415311, 250306, 250307, G01N 2700

Patent

active

049699784

ABSTRACT:
Apparatus and method for tunnel current measurement observed simultaneously with electrochemical measurement using an electrochemical cell. The electrochemical cell holds a tip, a counter electrode, a reference electrode and a sample in a solution. In the electrochemical cell, a tunnel current flowing between a sample and the tip is detected while controlling the electrode potential of the sample in a solution for electrochemical measurement. The detected tunnel current is represented as the surface image of the sample during electrochemical reaction.

REFERENCES:
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patent: 3098801 (1963-07-01), Marsh et al.
patent: 3479256 (1969-11-01), Smith et al.
patent: 4668865 (1987-05-01), Gimzewski et al.
Richard Sonnenfeld et al., Science, Reports, vol II, pp. 211-213, Apr. 1986.
B. Drake et al., Rev. Sci. Instrum., 57(3), pp. 441-445, Mar. 1986.

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