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Power electronics

All-around diamond for cooling power devices

High-electron-mobility transistors with a diamond coating on their top and side surfaces can effectively dissipate heat in high-power electronics applications.

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Fig. 1: Schematic of the AlGaN/GaN HEMT with all-around diamond integration.


  1. Trew, R. J., Green, D. S. & Shealy, J. B. IEEE Microw. Mag. 10, 116–127 (2009).

    Article  Google Scholar 

  2. Bar-Cohen, A., Maurer, J. J. & Altman, D. H. J. Electron. Packag. 141, 040803 (2019).

    Article  Google Scholar 

  3. Soman, R. et al. In Proc. 2022 IEEE Int. Electron Devices Meeting (in the press);

  4. Kang, J. S. et al. Nat. Electron. 4, 416–423 (2021).

    Article  Google Scholar 

  5. Wang, W. et al. Appl. Phys. Lett. 115, 103502 (2019).

    Article  Google Scholar 

  6. Graebner, J. E., Jin, S., Kammlott, G. W., Herb, J. A. & Gardinier, C. F. Nature 359, 401–403 (1992).

    Article  Google Scholar 

  7. Yates, L. et al. ACS Appl. Mater. Interfaces 10, 24302–24309 (2018).

    Article  Google Scholar 

  8. Malakoutian, M. et al. ACS Appl. Mater. Interfaces 13, 60553–60560 (2021).

    Article  Google Scholar 

Download references

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Correspondence to Jae-Hyun Ryou or Sukwon Choi.

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Ryou, JH., Choi, S. All-around diamond for cooling power devices. Nat Electron 5, 834–835 (2022).

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