Abstract

The influence of deposition conditions on the solid phase crystallisation of as-deposited amorphous Si layers obtained by low pressure chemical vapor deposition has been investigated by “in situ” isothermal annealing in a transmission electron microscope. Both nucleation and grain growth rates have been determined. Growth process was found to be linear with an activation energy of 2.4 eV. Nucleation kinetics have been calculated from both the size of the crystallites and the grain growth rates. Final grain size has been shown to depend on deposition procedure.

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