New model of AgHal microcrystals formation and growth during double jet crystallization

被引：0
|
作者：
Larichev, TA [1 ]
Prosvirkina, EV [1 ]
Abischeva, AB [1 ]
Harchenko, EN [1 ]
Sechkarev, BA [1 ]
机构：
[1] Kemerovo State Univ, Kemerovo 650043, Russia
来源：
AGX2004: INTERNATIONAL SYMPOSIUM ON SILVER HALIDE TECHNOLOGY: AT THE FOREFRONT OF SILVER HALIDE IMAGING | 2004年
关键词：
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
On the basis of previously carried out experiments on a recrystallization of bimodal AgBr dispersions in gelatin gel the new theoretical model of formation and growth of new phase particles during a mass crystallization has been developed. According to this model the process of growth AgHal microcrystals is caused by recrystallization process in the system consisting of larger growth centers and fine fresh-formed particles. Tabular crystal nuclei have the greatest enlargement rate; therefore its growth is accompanied by fast disappearance of fine particles. However if concentration of the growth centers in system is too low then the processes of interaction of fine particles among themselves gives the essential contribution to total crystallization process. As a result the decreasing of morphological uniformity of final microcrystals can take place.
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页码：51 / 56
页数：6
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