Kw. Yi et al., CHANGE IN VELOCITY IN SILICON MELT OF THE CZOCHRALSKI (CZ) PROCESS INA VERTICAL MAGNETIC-FIELD, JPN J A P 2, 33(4A), 1994, pp. 120000487-120000490
The influence of a magnetic field on the velociry of molten silicon ha
s been characterized both theoretically and experimentally. The veloci
ty decrease observed by X-ray radiography in the magnetic field is in
good agreement with the results obtained by numerical modelling. It is
found that the rate of decrease in velocity in a vertical magnetic fi
eld is well presented using the magnetic number rather than the Hartma
nn number. Accordingly, the analytical expression using the square of
the magnetic number, M, well describes the velociry changes as v/v0 =
(1 + M2/4)1/2 - M/2, for experimental as well as numerically calculate
d data.