Existing calculations on the tunnel effect through thin films in contacts apply to very weak and very strong electric fields. It is the main purpose of the present paper to complete the picture by the treatment of intermediate cases, which are important for many contact applications.

1.
A. Sommerfeld and H. Bethe, Handbuch der Physik von Geiger und Scheel (Verlag. Julius Springer, Berlin, 1933), 2. Aufl. Vol. 24/2, pp. 450f.
2.
R. Holm, Electric Contacts (H. Geber, Stockholm, 1946), §22 and 23.
3.
L.
Nordheim
,
Physik. Z.
30
,
177
(
1929
).
4.
See reference 1, paragraphs 19–21.
5.
V. Rojansky, Introductory Quantum Mechanics (Prentice‐Hall, Inc., New York, 1938), §34, and 38.
6.
See reference 1, the discussion of J1 and J2 on p. 449.
7.
See reference 1, Eq. (21.12).
8.
A.
Braun
and
G.
Busch
,
Helv. Phys. Acta
15
,
571
(
1942
), particularly Eq. (1).
9.
C. C.
Dilworth
,
Proc. Phys. Soc. (London)
60
,
315
(
1948
), particularly Eq. (9).
10.
E. W. J.
Mitchell
and
R. W.
Sillars
,
Proc. Phys. Soc. (London)
62B
,
509
(
1949
).
11.
R.
Holm
and
B.
Kirschstein
,
Z. Tech. Physik
16
,
488
(
1935
).
12.
R. Holm, Electric Contracts (H. Geber, Stockholm, 1946), Eq. (22.03).
13.
R.
Holm
and
W.
Meissner
,
Kontaktwiderstand Zwischen Supraleitern und Nichtsupraleitern. Z. Physik
74
,
715
(
1932
);
R.
Holm
and
W.
Meissner
,
86
,
787
(
1933
).
14.
A.
Braun
and
G.
Busch
,
Helv. Phys. Acta
15
,
571
(
1942
), Figs. (2) and (3).
15.
P. F.
Soper
,
Proc. Inst Elec. Engrs.
96
,
645
(
1949
).
16.
J.
Frenkel
,
J. Phys., U.S.S.R.
9
,
489
(
1945
).
17.
W.
Schottky
,
Z. Physik
14
,
63
(
1923
).
18.
See reference 12, Eq. (23.03).
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