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Electrodeposition of GeSbTe-based resistive switching memory in crossbar arrays
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Jaafar, Ayoub H., Meng, Lingcong, Noori, Yasir J., Zhang, Wenjian, Han, Yisong, Beanland, Richard, Smith, David C., Reid, Gillian, de Groot, Kees, Huang, Ruomeng and Bartlett, Philip N. (2021) Electrodeposition of GeSbTe-based resistive switching memory in crossbar arrays. The Journal of Physical Chemistry C, 125 (47). pp. 26247-26255. doi:10.1021/acs.jpcc.1c08549 ISSN 1932-7455.
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Official URL: https://doi.org/10.1021/acs.jpcc.1c08549
Abstract
In this work, we report on the fabrication of resistive random-access memory cells based on electrodeposited GeSbTe material between TiN top and bottom electrodes in a crossbar architecture. The cells exhibit asymmetric bipolar resistive switching characteristics under the same SET and RESET compliance current (CC), showing highly uniform and reproducible switching properties. A multi-state switching behavior can be also achieved by varying the sweeping voltage and CC. Unlike phase-change switching, the switching between the high-resistance state and the low-resistance state in these cells can be attributed to the formation and rupture of conductive Te bridge(s) within the Te-rich GeSbTe matrix upon application of a high electric field. The results point toward the usage of the electrodeposition method to fabricate advanced functional device structures for application in non-volatile memory.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||
| SWORD Depositor: | Library Publications Router | ||||||||
| Journal or Publication Title: | The Journal of Physical Chemistry C | ||||||||
| Publisher: | American Chemical Society (ACS) | ||||||||
| ISSN: | 1932-7455 | ||||||||
| Official Date: | 2021 | ||||||||
| Dates: |
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| Volume: | 125 | ||||||||
| Number: | 47 | ||||||||
| Page Range: | pp. 26247-26255 | ||||||||
| DOI: | 10.1021/acs.jpcc.1c08549 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Copyright Holders: | Copyright © 2021 American Chemical Society |
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