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Kinetic study by viscosity measurements on direct synthesis of gallium antimonide (1989)

Kakimoto, Koichi ; Hibiya, Taketoshi

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 66 (1989), S. 4181-4183

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Reaction kinetics for the direct synthesis process of compound GaSb from Ga and Sb metals was studied by observing viscosity changes of the melt during the reaction process. The mole fraction of Ga (cGa) was obtained during synthesis using the equation; log η=cGa(log ηGa +log ηSb)+(1−2cGa)log ηGaSb, where η is the viscosity of the total system, and ηGa,ηSb, and ηGaSb are the viscosities of molten Ga metal, molten Sb metal, and molten GaSb, respectively. The reaction rate was obtained from the variation of the mole fraction of reactant cGa. Assuming a second-order reaction, the activation energy was estimated to be 15.5 kcal/mol.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.344003

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