Bistable impedance states in MIS structures through controlled inversion

Abstract
Metal silicon‐nitride n‐p+ silicon diodes have been fabricated with I‐V characteristics similar to those of a four‐layer diode. Switching between the two impedance states, whose impedance levels differ by a factor of the order of 106, can be accomplished in less than 5 nsec. The impedance of the device is controlled by the presence or absence of the inversion layer of the MIS structure. Both impedance states require a nonzero conductance of the insulator.

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