Journal
APPLIED PHYSICS LETTERS
Volume 90, Issue 14, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2720747
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The impact of a nanoscale confined current path is demonstrated on a resistance switching memory device. The memory element consists of a Ti layer constricted by an insulating self-assembly nanogap oxide, in which a redox reaction is anticipated for the resistance change without an aid of a forming process. The device exhibits a resistance ratio greater than 100, a data retention longer than 3.7x10(6) s, an endurance of more than 2000 cycles, and a switching operation temperature up to 125 degrees C at an operation condition of +/- 2.5 V with 50-100 ns duration, evidencing an essential role of the nanostructure on the device performance. (c) 2007 American Institute of Physics.
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