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首页> 外文会议>Conference on operational characteristics and crystal growth of nonlinear optical materials >Effect of a nonplanar melt-solid interface on lateral compositional distribution during undirectional solidification of a binary alloy with a constant growth velocity (V): I. Theory
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Effect of a nonplanar melt-solid interface on lateral compositional distribution during undirectional solidification of a binary alloy with a constant growth velocity (V): I. Theory

机译：非平面熔体固体界面对具有恒生生长速度（V）的二元合金过度凝固期间的横向组成分布的影响：I。理论

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摘要

Infrared detected materials, such as Hg$-1$MIN@x$/Cd$-x$/Te, Hg$-1$MIN@x$/Zn$-x$/Te have energy gaps almost linearly proportional to their composition. Due to the wide separation of liquidus and solidus curves of their phase diagrams, compositional segregation exists in both axial and radial directions of crystals grown in the Bridgman system unidirectionally with constant growth rate. It is important to understand the mechanisms, which affect lateral segmentation in order that large radially uniform composition crystals can be produced.
机译：红外检测的材料，如Hg $ -1 $ min @ x $ / cd $ -x $ / te，hg $ -1 $ min @ x $ / zn $ -x $ / te有能量间隙几乎线性成比例与他们的组成。由于它们的相图的液相和固体曲线的宽分离，以恒定的生长速率单向在布里奇曼系统中生长的晶体中的轴向和径向中存在组成偏析。理解横向分割的机制是重要的，以便可以生产大径向均匀的组合物晶体。

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