The effect of temperature gradient and ampoule velocity on the composition and other properties of Bridgman-grown indium antimonide. Venkataraghavan, R., Rao, K., & Bhat, H. Journal of Crystal Growth, 1998. abstract bibtex A systematic study of the role of the melt-solid interface position in determining the crystal quality of Bridgman-grown indium antimonide ingots is made. The crystals are grown under various conditions of imposed gradients and velocities. The gradient-to-velocity ratio A in the crystal is seen to move the interface position above or below the melting-point isotherm and this in turn affects crystal quality and grain structure. Post-growth investigations reveal that the growth takes place under off-stoichiometric conditions, for large as well as for small values of Λ, undesirable for growth of high-quality homogeneous ingots of InSb. However, crystals grown under 'near-equilibrium' conditions are stoichiometric, show low defect density, improved grain structure and comparatively narrow rocking-curve width, with very high mobility. © 1998 Elsevier Science B.V. All rights reserved.
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title = {The effect of temperature gradient and ampoule velocity on the composition and other properties of Bridgman-grown indium antimonide},
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abstract = {A systematic study of the role of the melt-solid interface position in determining the crystal quality of Bridgman-grown indium antimonide ingots is made. The crystals are grown under various conditions of imposed gradients and velocities. The gradient-to-velocity ratio A in the crystal is seen to move the interface position above or below the melting-point isotherm and this in turn affects crystal quality and grain structure. Post-growth investigations reveal that the growth takes place under off-stoichiometric conditions, for large as well as for small values of Λ, undesirable for growth of high-quality homogeneous ingots of InSb. However, crystals grown under 'near-equilibrium' conditions are stoichiometric, show low defect density, improved grain structure and comparatively narrow rocking-curve width, with very high mobility. © 1998 Elsevier Science B.V. All rights reserved.},
bibtype = {article},
author = {Venkataraghavan, R. and Rao, K.S.R.K. and Bhat, H.L.},
journal = {Journal of Crystal Growth},
number = {3}
}
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