Thermal diffusivity of isotopically enriched C12 diamond

T. R. Anthony, W. F. Banholzer, J. F. Fleischer, Lanhua Wei, P. K. Kuo, R. L. Thomas, and R. W. Pryor
Phys. Rev. B 42, 1104 – Published 15 July 1990
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Abstract

Type-IIA diamond single crystals containing approximately 0.1%, 0.5%, and 1% C13 were synthesized and their thermal diffusivities were measured at room temperature by the thermal-wave-mirage technique. The measured value (18.5 cm2/s) of the 0.1% C13 crystal was 50% higher than the 1% C13 (natural isotope abundance). This is the highest room-temperature thermal diffusivity of any solid naturally occurring or previously synthesized. The laser damage threshold at 193 nm for the isotopically enriched crystal is more than an order of magnitude higher than that of natural diamond.

  • Received 27 December 1989

DOI:https://doi.org/10.1103/PhysRevB.42.1104

©1990 American Physical Society

Authors & Affiliations

T. R. Anthony, W. F. Banholzer, and J. F. Fleischer

  • General Electric Company, Research and Development Center, River Road, Schenectady, New York 12309

Lanhua Wei, P. K. Kuo, R. L. Thomas, and R. W. Pryor

  • Institute for Manufacturing Research and Department of Physics, Wayne State University, Detroit, Michigan 48202

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Vol. 42, Iss. 2 — 15 July 1990

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