Nanoscale switching devices with partially oxidized electrodes
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United States of America Patent
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May 5, 2015
Grant Date -
Jan 31, 2013
app pub date -
Apr 19, 2010
filing date -
Apr 19, 2010
priority date (Note) -
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Abstract
A nanoscale switching device is provided. The device comprises: a first electrode of a nanoscale width; a second electrode of a nanoscale width; an active region disposed between the first and second electrodes, the active region having a non-conducting portion comprising an electronically semiconducting or nominally insulating and a weak ionic conductor switching material capable of carrying a species of dopants and transporting the dopants under an electric field and a source portion that acts as a source or sink for the dopants; and an oxide layer either formed on the first electrode, between the first electrode and the active region or formed on the second electrode, between the second electrode and the active region. A crossbar array comprising a plurality of the nanoscale switching devices is also provided. A process for making at least one nanoscale switching device is further provided.
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