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In-memory computing

Bipolar flash for bifunctional computing operations

Nature Nanotechnology volume 18, pages 444–445 (2023)Cite this article

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The n- and p-type channel characteristics of WSe2 are exploited to implement multiply–accumulate and activation functions simultaneously in an in-memory computing core.

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Fig. 1: The self-activation principle of the bipolar flash memory device.

References

  1. Kautz, W. H. IEEE Trans. Comp. 100, 719–727 (1969).

    Article  Google Scholar 

  2. Biswas, A. et al. IEEE J. Solid-State Circuits 54, 217–230 (2018).

    Article  Google Scholar 

  3. Seshadri, V. et al. In Proc. 50th Annual IEEE/ACM International Symposium on Microarchitecture 273–287 (ACM, 2017).

  4. Merrikh-Bayat, F. et al. IEEE Trans. Neural Netw. Learn. Syst. 29, 4782–4790 (2017).

    Article  Google Scholar 

  5. Xia, Q. et al. Nat. Mater. 18, 309–323 (2019).

    Article  CAS  Google Scholar 

  6. Kiani, F. et al. Sci. Adv. 7, eabj4801 (2021).

    Article  Google Scholar 

  7. Huang, X. et al. Nat. Nanotechnol. https://doi.org/10.1038/s41565-023-01339-w (2023).

    Article  Google Scholar 

  8. Kahng, D. et al. Bell. Syst. Tech. J. 46, 1288–1295 (1967).

    Article  Google Scholar 

  9. Holler, M. et al. Int. Jt. Conf. Neural Netw. 2, 191–196 (1989).

    Article  Google Scholar 

  10. Masuoka, F. et al. In 1984 International Electron Devices Meeting 464–467 (IEEE, 1984).

  11. Masuoka, F., Momodomi, M., Iwata, Y. & Shirota, R. In 1987 International Electron Devices Meeting 552–555 (IEEE, 1987).

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Authors and Affiliations

  1. Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, MA, USA

    Fatemeh Kiani & Qiangfei Xia

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  1. Fatemeh Kiani
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  2. Qiangfei Xia
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Correspondence to Qiangfei Xia.

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The authors declare no competing interests.

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Kiani, F., Xia, Q. Bipolar flash for bifunctional computing operations. Nat. Nanotechnol. 18, 444–445 (2023). https://doi.org/10.1038/s41565-023-01358-7

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