Esaki diodes live and learn.
We report, as the result of shelf-life tests for Esaki diodes, the observation of minute but tangible reductions in the tunnel current after the lapse of half a century. The reduction could be attributed to 0.25% widening in the tunnel path.
Esaki
Leo
L
Science and Technology Promotion Foundation of Ibaraki, Tsukuba, Ibaraki, Japan. leoesaki@epochal.or.jp
Kitamura
Masatoshi
M
Iwamoto
Satoshi
S
Arakawa
Yasuhiko
Y
D004553:Electric Conductivity; D004566:Electrodes