Fatigue Mechanism of Antiferroelectric Hf0.1Zr0.9O2 Toward Endurance Immunity by Opposite Polarity Cycling Recovery (OPCR) for eDRAM

K. Y. Hsiang; J. Y. Lee; Z. F. Lou; F. S. Chang; Y. C. Chen; Z. X. Li; M. H. Liao; C. W. Liu; T. H. Hou; P. Su; M. H. Lee

doi:10.1109/TED.2023.3238364

Fatigue Mechanism of Antiferroelectric Hf_0.1Zr_0.9O₂ Toward Endurance Immunity by Opposite Polarity Cycling Recovery (OPCR) for eDRAM

K. Y. Hsiang, J. Y. Lee, Z. F. Lou, F. S. Chang, Y. C. Chen, Z. X. Li, M. H. Liao, C. W. Liu, T. H. Hou, P. Su, M. H. Lee^*

^*Corresponding author for this work

Undergraduate Program of Electro-Optical Engineering

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Opposite polarity cycling recovery (OPCR) is proposed to completely restore a fatigued antiferroelectric (AFE) capacitor back to its initial state, thereby extending the endurance number of switching cycles for AFE-RAM. A comprehensive model exclusive to AFE with unipolar cycling is revealed to achieve unlimited endurance, and the unipolar cycling with OPCR is experimentally demonstrated to accumulate 1012 cycles, while achieving the nondegradation and complete restoration of the remnant polarization (Pr). Furthermore, the proposed OPCR achieves a recovery time ratio of 0% (trecovery/tperiod), which indicates no extra time to spend for the recovery procedure.

Original language	English
Pages (from-to)	2142-2146
Number of pages	5
Journal	IEEE Transactions on Electron Devices
Volume	70
Issue number	4
DOIs	https://doi.org/10.1109/TED.2023.3238364
Publication status	Published - 2023 Apr 1

Keywords

Antiferroelectric (AFE)
endurance
recovery

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/TED.2023.3238364

Cite this

Hsiang, K. Y., Lee, J. Y., Lou, Z. F., Chang, F. S., Chen, Y. C., Li, Z. X., Liao, M. H., Liu, C. W., Hou, T. H., Su, P., & Lee, M. H. (2023). Fatigue Mechanism of Antiferroelectric Hf_0.1Zr_0.9O₂ Toward Endurance Immunity by Opposite Polarity Cycling Recovery (OPCR) for eDRAM. IEEE Transactions on Electron Devices, 70(4), 2142-2146. https://doi.org/10.1109/TED.2023.3238364

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abstract = "Opposite polarity cycling recovery (OPCR) is proposed to completely restore a fatigued antiferroelectric (AFE) capacitor back to its initial state, thereby extending the endurance number of switching cycles for AFE-RAM. A comprehensive model exclusive to AFE with unipolar cycling is revealed to achieve unlimited endurance, and the unipolar cycling with OPCR is experimentally demonstrated to accumulate 1012 cycles, while achieving the nondegradation and complete restoration of the remnant polarization (Pr). Furthermore, the proposed OPCR achieves a recovery time ratio of 0% (trecovery/tperiod), which indicates no extra time to spend for the recovery procedure.",

keywords = "Antiferroelectric (AFE), endurance, recovery",

author = "Hsiang, {K. Y.} and Lee, {J. Y.} and Lou, {Z. F.} and Chang, {F. S.} and Chen, {Y. C.} and Li, {Z. X.} and Liao, {M. H.} and Liu, {C. W.} and Hou, {T. H.} and P. Su and Lee, {M. H.}",

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AU - Hsiang, K. Y.

AU - Lee, J. Y.

AU - Lou, Z. F.

AU - Chang, F. S.

AU - Chen, Y. C.

AU - Li, Z. X.

AU - Liao, M. H.

AU - Liu, C. W.

AU - Hou, T. H.

AU - Su, P.

AU - Lee, M. H.

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AB - Opposite polarity cycling recovery (OPCR) is proposed to completely restore a fatigued antiferroelectric (AFE) capacitor back to its initial state, thereby extending the endurance number of switching cycles for AFE-RAM. A comprehensive model exclusive to AFE with unipolar cycling is revealed to achieve unlimited endurance, and the unipolar cycling with OPCR is experimentally demonstrated to accumulate 1012 cycles, while achieving the nondegradation and complete restoration of the remnant polarization (Pr). Furthermore, the proposed OPCR achieves a recovery time ratio of 0% (trecovery/tperiod), which indicates no extra time to spend for the recovery procedure.

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