Journal ArticleDOI
Thermoelectric magnetohydrodynamic effects during Bridgman semiconductor crystal growth with a uniform axial magnetic field
Y.Y. Khine,John S. Walker +1 more
TLDR
In this paper, a cylindrical Bridgman ampoule with a uniform axial magnetic field, a planar crystal-melt interface, a parabolic temperature variation along the interface and two different uniform values of the absolute thermoelectric power for the melt and crystal was treated.About:
This article is published in Journal of Crystal Growth.The article was published on 1998-01-01. It has received 54 citations till now. The article focuses on the topics: Magnetic damping & Field strength.read more
Citations
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Solidification microstructures: recent developments, future directions
William J. Boettinger,Sam R. Coriell,A.L. Greer,Alain Karma,Wilfried Kurz,Michel Rappaz,Rohit Trivedi +6 more
TL;DR: The status of solidification science is critically evaluated and future directions of research in this technologically important area are proposed in this paper, where the most important advances in solidification sciences and technology of the last decade are discussed: interface dynamics, phase selection, microstructure selection, peritectic growth, convection effects, multicomponent alloys, and numerical techniques.
Journal ArticleDOI
Influence of thermoelectric effects on the solid–liquid interface shape and cellular morphology in the mushy zone during the directional solidification of Al–Cu alloys under a magnetic field
TL;DR: In this article, the effect of TEMC on the cellular liquid-solid interface and the cellular morphology was evaluated at different scales and the result showed that the effect is different for different scales.
Journal ArticleDOI
Investigation of thermoelectric magnetic convection and its effect on solidification structure during directional solidification under a low axial magnetic field
TL;DR: In this article, the effect of TEMC on the macroscopic interface shape and the cellular morphology under axial magnetic convection has been investigated and it has been proved experimentally that the convection will reduce the cellular spacing and cause a cellular-dendritic transition.
Journal ArticleDOI
Influence of an axial high magnetic field on the liquid–solid transformation in Al–Cu hypoeutectic alloys and on the microstructure of the solid
TL;DR: In this paper, the influence of axial high magnetic field on the liquid-solid interface morphology and microstructure of the solid has been investigated experimentally during Bridgman growth of Al-Cu hypoeutectic alloys.
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A numerical investigation of the effect of thermoelectromagnetic convection (TEMC) on the Bridgman growth of Ge1−xSix
TL;DR: In this paper, the authors report on the numerical simulation of the effect of TEMC on the growth of GeSi and show that the TEMM effect is more important in micro-gravity environment than the terrestrial one, and can be used to control convection during directional solidification of geSi.
References
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Journal ArticleDOI
Crystal growth
TL;DR: This report introduces briefly some concepts and materials on crystal growth presented by Dr. Zhen-yu Zhang from the Oak Ridge (TN) National Laboratory, and Dr. En-ge Wang from the Institute of Physics, Chinese Academy of Sciences in a session on Crystal growth at the first Chinese-American Frontiers of Science Symposium.
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Long-wavelength surface-tension-driven Bénard convection: experiment and theory
TL;DR: In this article, a two-layer nonlinear theory is developed to account properly for the effect of deformation on the interface temperature profile, which is shown to be significant in microgravity and for thin liquid layers.
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Models for convection and segregation in the growth of HgCdTe by the vertical Bridgman method
Do Hyun Kim,Robert S. Brown +1 more
TL;DR: In this paper, a detailed analysis of heat transfer, convection, and species transport in the vertical Bridgman growth of Hg(1-x)Cd(x)Te was performed by numerical analysis of an idealized quasi-steady state model of the system.
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Modelling of the dynamics of HgCdTe growth by the vertical Bridgman method
Do Hyun Kim,Robert S. Brown +1 more
TL;DR: The analysis of Kim and Brown as mentioned in this paper, which described the pseudo-steady state of the HgCdTe melt/crystal system grown by the vertical Bridgman method, is extended to the study of the transients during crystal growth and in particular at the beginning of the growth.
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Thermoelectric magnetohydrodynamic effects on solidification of metallic alloys in the dendritic regime
TL;DR: In this paper, the Seebeck and Peltier effects have been investigated on the liquid-solid interface of binary alloys with different thermoelectric powers and their influence on the solidification process.