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Threshold Vacuum Switch (TVS) on 3D-stackable and 4F2 cross-point bipolar and unipolar resistive random access memory | IEEE Conference Publication | IEEE Xplore

Threshold Vacuum Switch (TVS) on 3D-stackable and 4F2 cross-point bipolar and unipolar resistive random access memory


Abstract:

A 3D stackable and bidirectional Threshold Vacuum Switching (TVS) selector using the same WOx material as the RRAM element is reported. It provides the highest reported c...Show More

Abstract:

A 3D stackable and bidirectional Threshold Vacuum Switching (TVS) selector using the same WOx material as the RRAM element is reported. It provides the highest reported current density of >108 A/cm2 and the highest selectivity of >105. Stress test at high current density indicates >108 cycle capability for Reset/Set operation. A mechanism based on recombination of oxygen-ions and vacancies is proposed for the observed volatile switching of TVS. Utilizing the threshold characteristics of the TVS selector, a two-step reading waveform offers potential for 3D-stackable and 4F2 cross-point RRAM applications.
Date of Conference: 10-13 December 2012
Date Added to IEEE Xplore: 14 March 2013
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ISSN Information:

Conference Location: San Francisco, CA, USA

References

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