Effects of cycle patterns of accelerated crucible rotation technique (ACRT) on the flows, interface, and segregation in vertical Bridgman crystal growth

Y.C. Liu; B. Roux; C.W. Lan

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Effects of cycle patterns of accelerated crucible rotation technique (ACRT) on the flows, interface, and segregation in vertical Bridgman crystal growth

机译：加速坩埚旋转技术（ACRT）的循环模式对垂直Bridgman晶体生长中的流动，界面和偏析的影响

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The accelerated crucible rotation technique (ACRT) has been used extensively in crystal growth for the control of flow and segregation. However, the amelioration of the spin-up and spin-down flows for a favorable growth has not yet been fully understood. In this study, we investigate several ACRT schemes and discuss their effects on the flow, interface morphology, and solute segregation during the vertical Bridgman growth of succinonitrile (SCN) containing acetone. Both numerical simulation and visualization experiments are conducted. In addition to the triangular and trapezoidal patterns, stair-up, stair-down, and pulse schemes are proposed for a better flow and mixing control without much interface deformation. For all the ACRT schemes investigated here, the simulated results are in good agreement with the observed ones.

机译：加速坩埚旋转技术（ACRT）已广泛用于晶体生长中，以控制流动和偏析。但是，尚未充分了解改善向上旋转和向下旋转的流量以实现良好的增长。在这项研究中，我们研究了几种ACRT方案，并讨论了它们在含丙酮的丁二腈（SCN）垂直Bridgman生长过程中对流动，界面形态和溶质偏析的影响。进行数值模拟和可视化实验。除了三角形和梯形图案外，还提出了阶梯上升，阶梯下降和脉冲方案，以实现更好的流动和混合控制，而不会产生较大的界面变形。对于这里研究的所有ACRT方案，模拟结果与观察到的结果都非常吻合。

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来源
《International Journal of Heat and Mass Transfer》 |2007年第26期|p.5031-5040|共10页
作者
Y.C. Liu; B. Roux; C.W. Lan;
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作者单位

Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan, ROC;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
关键词
ACRT; segregation; cycle pattern; convection; bridgman crystal growth;

机译：ACRT;偏析;循环模式;对流;布里奇曼晶体生长;

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1. Segregation control of vertical Bridgman growth of Ga-doped germanium crystals by accelerated crucible rotation: ACRT versus angular vibration [J] . L.C. Wang, Y.C Liu, W.C. Yu, Journal of Crystal Growth . 2009,第3期

机译：加速坩埚旋转对Ga掺杂锗晶体的垂直Bridgman生长的偏析控制：ACRT与角振动
2. Effects of accelerated crucible rotation on segregation and interface morphology for vertical Bridgman crystal growth: Visualization and simulation [J] . Y.C. Liu, B. Roux, C.W. Lan Journal of Crystal Growth . 2007,第1期

机译：坩埚加速旋转对垂直Bridgman晶体生长的偏析和界面形态的影响：可视化和模拟
3. Flow and segregation control by accelerated rotation for vertical Bridgman growth of cadmium zinc telluride: ACRT versus vibration [J] . Lan CW Journal of Crystal Growth . 2005,第3a4期

机译：垂直旋转布里奇曼生长碲化镉锌通过加速旋转控制流动和偏析：ACRT与振动
4. Buoyant and rotational flows during ACRT vertical bridgman crystal growth [C] . Jeffrey J.Derby, Andrew Yeckel ASME international mechanical engineering congress and exposition . 2000

机译：ACRT垂直布里奇曼晶体生长过程中的浮力和旋转流
5. Solute redistribution and constitutional supercooling effects in vertical Bridgman grown indium gallium antimonide by accelerated crucible rotation technique. [D] . Vogel, K. Juliet. 2004

机译：垂直坩埚旋转加速坩埚技术在垂直布里奇曼生长的铟镓铟中的溶质再分布和组织过冷效果。
6. Study on In-Doped CdMgTe Crystals Grown by a Modified Vertical Bridgman Method Using the ACRT Technique [O] . Pengfei Yu, Biru Jiang, Yongren Chen, 2019

机译：改进的垂直布里奇曼法利用ACRT技术生长In掺杂的CdMgTe晶体的研究
7. Convection effects on radial segregation and crystal melt interface in vertical Bridgman growth [O] . Tanveer, S. 1993

机译：对流对垂直布里奇曼生长中径向偏析和晶体熔体界面的影响
8. Milestones in Crystal Growth, the Accelerated Crucible Rotation Technique (ACRT) [R] . Scheel, H. J. 1985

机译：晶体生长中的里程碑，加速坩埚旋转技术（aCRT）

Effects of cycle patterns of accelerated crucible rotation technique (ACRT) on the flows, interface, and segregation in vertical Bridgman crystal growth

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