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    • S K Khanna

      Articles written in Bulletin of Materials Science

    • Volume 8 Issue 4 October 1986 pp 467-470

      Growth of low dislocation density single crystals of nickel

      S K Khanna K Govinda Rajan

      More Details Abstract Fulltext PDF

      Low dislocation density single crystals of nickel have been grown at high ambient pressure by the Czochralski method. X-ray Laue picture shows that the crystals are strain-free. The dislocation density was determined to be <103/cm2 by the etching procedure. It was found that the necking and cone regions are very critical in the dislocation introduction in the crystals. An increase in the ambient pressure used during the growth seems to aid the crystal quality.

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