L. Esaki, L.L. Chang
Physical Review Letters
Two stable conduction states have been observed in tunnel junctions composed of Nb-Nb oxide-Bi. The conduction characteristics, including switching between the two states, are interpreted using a potential barrier model which is alterable by internal polarizations. © 1971.
L. Esaki, L.L. Chang
Physical Review Letters
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Solid State Communications
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Physical Review B
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