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The effect of microsegregation on the generation of dislocations in zinc single crystals

ВЛИЯНИЕ МИКРОВЫДЕЛЕ НИЙ НА ВОЗНИКНОВЕНИЕ ДИСЛОКАЦИЙ В МОНОКРИ СТАЛЛАХ ЦИНКА

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Cechoslovackij fiziceskij zurnal B Aims and scope

Abstract

The applicability of Tiller's considerations on the production of dislocations is proved. The density of dislocations appearing during impurity microsegregation increases with increasing rate of growth as a consequence of the corresponding change in the effective distribution coefficient. The real value of ΔC at the microsegregation boundaries is at least twice as great as the average value of the concentration of impurities in the crystal in question.

Abstract

Проверяется примени мость предположений Тиллера о возникновении дисло каций. Плотность дислокаци й, возникающих при мик ровыделении нечистот, растет с уве личением скорости кристаллиз ации в результате соответствующего из менения эффективног о коэффициента распре деления. Действитель ное значение ΔC на границах микров ыделений по крайней мере в два р аза больше, чем средне е значение концентрации примес ей в исследованных крис таллах.

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Authors and Affiliations

  1. Dept. of Solid State Physics, Charles University, Prague

    P. Kratochvíl

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  1. P. Kratochvíl
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Kratochvíl, P. The effect of microsegregation on the generation of dislocations in zinc single crystals. Czech J Phys 10, 927–930 (1960). https://doi.org/10.1007/BF01688340

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