TEM And SEM Investigation of the Growth and Texture of Diamond Particles/Films Synthesized by a Flame CVD Process

  • P. S. Nielsen
  • K. Madsen
  • P. Balslev
  • P. L. Hansen
Part of the NATO ASI Series book series (NSSB, volume 266)


The unique material properties of diamond1, including hardness, low coefficient of friction, high thermal conduc-tivity, electrical conductivity, and optical transmission, make diamond an attractive candidate for a wide range of industrial applications. As a consequence during the last decade, there have been extensive worldwide efforts toward the development of techniques for metastable synthesis. Diamond film synthesis has been demonstrated by using a wide range of low pressure chemical vapor deposition (CVD) techniques (see review by Spear2). Diamond synthesis by combustion of acetylene at atmospheric pressure was first reported by Hirose et al.3 and has been confirmed by others4,5,6,7,8. This technique represents the technological advantage of a low initial capital investment and shows that diamond can be grown at 1 atmosphere with the ability to coat large substrate areas. The drawbacks of this method are that the reactive species in the flame are non-uniformly distributed, and also that the combustion in the flame is responsible for a considerable heat flux to the substrate. Today, only a few applications of diamond films are on the market. For most potential applications, it is very important to synthesize a homogeneous morphology as well as to obtain good adhesion of the film to the substrate. To control the morphology of the film and the adhesion to the substrate, the nucleation and growth of diamond have to be controlled.


Deposition Time Amorphous Carbon Diamond Film Diamond Crystal Deposition Zone 
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Copyright information

© Plenum Press, New York 1991

Authors and Affiliations

  • P. S. Nielsen
    • 1
  • K. Madsen
    • 2
  • P. Balslev
    • 1
  • P. L. Hansen
    • 2
  1. 1.Corporate R&DNKT A/SBroendbyDenmark
  2. 2.Laboratory of Applied PhysicsTechnical University of DenmarkLyngbyDenmark

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