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A nanoscale photonic thermal transistor for sub-second heat flow switching

Author

Listed:
  • Ju Won Lim

    (University of Michigan)

  • Ayan Majumder

    (University of Michigan)

  • Rohith Mittapally

    (University of Michigan)

  • Audrey-Rose Gutierrez

    (University of Michigan)

  • Yuxuan Luan

    (University of Michigan)

  • Edgar Meyhofer

    (University of Michigan
    University of Michigan)

  • Pramod Reddy

    (University of Michigan
    University of Michigan
    University of Michigan)

Abstract

Control of heat flow is critical for thermal logic devices and thermal management and has been explored theoretically. However, experimental progress on active control of heat flow has been limited. Here, we describe a nanoscale radiative thermal transistor that comprises of a hot source and a cold drain (both are ~250 nm-thick silicon nitride membranes), which are analogous to the source and drain electrodes of a transistor. The source and drain are in close proximity to a vanadium oxide (VOx)-based planar gate electrode, whose dielectric properties can be adjusted by changing its temperature. We demonstrate that when the gate is located close (

Suggested Citation

  • Ju Won Lim & Ayan Majumder & Rohith Mittapally & Audrey-Rose Gutierrez & Yuxuan Luan & Edgar Meyhofer & Pramod Reddy, 2024. "A nanoscale photonic thermal transistor for sub-second heat flow switching," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
  • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-49936-0
    DOI: 10.1038/s41467-024-49936-0
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    References listed on IDEAS

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