Journal of Engineering Physics and Thermophysics is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the Academic Scientific Complex "A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
Address of the Editorial Office and the Publisher

IMPURITY MICROSEGREGATION DUE TO
PERIODIC CHANGES IN THE TEMPERATURE
AND PULLING RATE OF CRYSTAL GROWN
BY THE STEPANOV METHOD

A. V. Zhdanov, L. P. Nikolaeva, and
B. S. Red'kin

UDC 532.78

A mathematical model is proposed to describe the 
behavior of a doping impurity concentration in a crystal grown by 
the Stepanov method from a melt and subjected to periodic changes 
in its pulling rate and temperature of the thermal node. Various modes 
of these effects are discussed. The results obtained are given by 
graphs that characterize their influence on concentration distribution.

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