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Related Experiment Videos

Unlocking diamond's potential as an electronic material.

R S Balmer1, I Friel, S M Woollard

  • 1Element Six Ltd., King's Ride Park, Ascot, Berkshire, UK.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|November 21, 2007
PubMed
Summary
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Diamond shows promise for high-performance electronics, with advancements in synthetic material quality and doping. Challenges remain for commercial viability, but high-voltage switches and gigahertz diamond MESFETs are progressing.

Area of Science:

  • Materials Science
  • Solid-State Physics
  • Electrical Engineering

Background:

  • Diamond is explored as a semiconductor for advanced electronic devices due to its exceptional properties.
  • Current research focuses on the manufacturability and quality of synthetic diamond for electronic applications.
  • Doping challenges hinder the development of practical diamond-based electronic devices.

Purpose of the Study:

  • To review the suitability of diamond as a semiconductor material for high-performance electronics.
  • To assess the current status of synthetic diamond manufacture and material quality.
  • To examine the challenges and potential of diamond for high-voltage switches and high-frequency MESFETs.

Main Methods:

  • Review of synthetic diamond manufacturing processes and material quality assessment.

Related Experiment Videos

  • Analysis of doping techniques for creating functional semiconductor structures.
  • Evaluation of device performance for high-voltage switching and radio-frequency (RF) Metal-Semiconductor Field-Effect Transistors (MESFETs).

    • Main Results:

    • Progress in synthetic diamond quality and intrinsic material availability.
    • Development of high-voltage switches capable of exceeding 10 kV.
    • Demonstration of diamond MESFETs operating at gigahertz frequencies with current densities over 30 mA/mm.
    • Reported small-signal RF measurements confirming high-frequency operation.

    Conclusions:

    • Diamond is a viable material for high-performance electronic applications, particularly for high-voltage and high-frequency devices.
    • Significant progress has been made in synthetic diamond production and device fabrication.
    • Overcoming remaining challenges in doping and manufacturing is crucial for commercializing diamond electronic devices.