Rate-limiting processes in the fast SET operation of a gapless-type Cu-Ta2O5 atomic switch

T. Tsuruoka; T. Hasegawa; I. Valov; R. Waser; M. Aono

doi:10.1063/1.4795140

Rate-limiting processes in the fast SET operation of a gapless-type Cu-Ta₂O₅ atomic switch

T. Tsuruoka^*, T. Hasegawa, I. Valov, R. Waser, M. Aono

^*この研究の対応する著者

研究成果: Article › 査読

39 被引用数 (Scopus)

抄録

The speed of the SET operation of a CuTa₂O₅Pt atomic switch from a high-resistance state to a low-resistance state was measured by transient current measurements under the application of a short voltage pulse. The SET time decreased exponentially with increasing pulse amplitude, reaching as low as 1 ns using moderate pulse voltages. This observation shows that oxide-based atomic switches hold potential for fast-switching memory applications. From a comparison with atomistic nucleation theory, Cu nucleation on the Pt electrode was found to be the likely rate-limiting process determining the SET time.

本文言語	English
論文番号	032114
ジャーナル	AIP Advances
巻	3
号	3
DOI	https://doi.org/10.1063/1.4795140
出版ステータス	Published - 2013 3月
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（全般）

文献へのアクセス

10.1063/1.4795140

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引用スタイル

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abstract = "The speed of the SET operation of a CuTa2O5Pt atomic switch from a high-resistance state to a low-resistance state was measured by transient current measurements under the application of a short voltage pulse. The SET time decreased exponentially with increasing pulse amplitude, reaching as low as 1 ns using moderate pulse voltages. This observation shows that oxide-based atomic switches hold potential for fast-switching memory applications. From a comparison with atomistic nucleation theory, Cu nucleation on the Pt electrode was found to be the likely rate-limiting process determining the SET time.",

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note = "Funding Information: The authors would like to thank A. Ohi and T. Ohki of MANA Foundry at NIMS for their assistance in the fabrication of the cell integrated into the CPW structure. This work was supported in part by the Iketani Science and Technology Foundation and JSPS KAKENHI Grant Number 24350278.",

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AU - Tsuruoka, T.

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AU - Valov, I.

AU - Waser, R.

AU - Aono, M.

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AB - The speed of the SET operation of a CuTa2O5Pt atomic switch from a high-resistance state to a low-resistance state was measured by transient current measurements under the application of a short voltage pulse. The SET time decreased exponentially with increasing pulse amplitude, reaching as low as 1 ns using moderate pulse voltages. This observation shows that oxide-based atomic switches hold potential for fast-switching memory applications. From a comparison with atomistic nucleation theory, Cu nucleation on the Pt electrode was found to be the likely rate-limiting process determining the SET time.

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