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    • Keywords


      Self-seeding; orientation; interface shape; antimonide crystals; VDS technique.

    • Abstract


      The growth of Sb-based crystals (InSb, GaSb etc) was undertaken using resistive heater furnace by vertical directional solidification (VDS) technique. Crystal–melt interface shape during the growth was shown to convert from concave to convex along the crystal axis of the ingots. Many antimonide (Sb) crystals of 8 mm to 18 mm diameter were grown by optimized growth parameters. The forced convection and absence of conducting support to ampoule showed improvement in crystal quality of as grown ingots. Crystals showed preferred orientation and self-seeding. Results on interface shape and crystallinity of ingots were found to be in good agreement with the experiments.

    • Author Affiliations


      D B Gadkari1 P Shashidharan2 K B Lal2 B M Arora3

      1. Department of Physics, Mithibai College, Mumbai 400 056, India
      2. Department of Physics, University of Mumbai, Mumbai 400 098, India
      3. CMPS & MS, Tata Institute of Fundamental Research, Mumbai 400 005, India
    • Dates

  • Bulletin of Materials Science | News

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    • Editorial Note on Continuous Article Publication

      Posted on July 25, 2019

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