Component distribution in A Pb1−xSnx Te seed grown by directional solidification

Fano, Vincenzo; Meletti, G.; Salviati, G.

doi:10.1016/0254-0584(83)90011-1

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-Structure Of the Solids1

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1995

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“…MCT ingots were 8 cm in length (the first-to-freeze 2 cm had conical shape) and 1.6 cm diameter. This fact is different from the thermal supercooling effect, observed in LTT [9,10]. Figures 1-5 are not consistent with the structures of the single crystals or polycrystals.…”

Section: -Structure Of the Solidscontrasting

confidence: 56%

Convection in the bridgman growth of narrow-gap semiconductors

Breschi¹,

Fano

Ortalli

1995

Il Nuovo Cimento D

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The free convection in the melt during the crystal growth of small-gap semiconductors, and its influence on the electrical properties are discussed. Dimensionless parameters of the fluid flow, electrical properties of PbTe, Pbl_~Sn~Te and Hgl _~Cd~Te single crystals, grown by vertical Bridgman technique at very low velocity, and some structures, found in these materials, support the presence of free convection.

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Section: -Structure Of the Solidscontrasting

confidence: 56%