Search Results - "Bellmann, M.P."

Dynamic simulation of impurity transport and chemical reactions in a Bridgman furnace for directional solidification of multi-crystalline silicon by Bellmann, M.P., Panjwani, B., Syvertsen, M., Meese, E.A.

“…Numerical results from a dynamic simulation of impurity transport and reactions in a Bridgman furnace for directional solidification of multi-crystalline…”
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Crystallization of multicrystalline silicon from reusable silicon nitride crucibles: Material properties and solar cell efficiency by Bellmann, M.P., Stokkan, G., Ciftja, A., Denafas, J., Kaden, T.

“…•Reusable silicon nitride crucible for mc-silicon ingot growth.•Five times use demonstrated.•Similar material performance as ingots grown from electronic grade…”
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Effect of flow pattern on the segregation of impurities in vertical Bridgman growth of multi-crystalline silicon by Bellmann, M.P., M'Hamdi, M.

“…Numerical experiments are used to study thermally driven flow during directional solidification of multi-crystalline (mc) silicon. A solid–liquid (s–l)…”
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A novel method for gas flow and impurity control in directional solidification of multi-crystalline silicon by Bellmann, M.P., Lindholm, D., M׳Hamdi, M.

“…In this paper the potential of a specially designed argon gas injector for controlling the gas flow and transport of impurities in directional solidification…”
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Impurity segregation in directional solidified multi-crystalline silicon by Bellmann, M.P., Meese, E.A., Arnberg, L.

“…In this paper numerical results on the impurity segregation in directional solidified multi-crystalline silicon are presented and compared with experimental…”
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3D dynamic simulation of heat transfer and melt flow in an inductively heated crystallization furnace for mc-silicon with PID temperature control by Bellmann, M.P., Lindholm, D., Sørheim, E.A., Mortensen, D., M'Hamdi, M.

“…A heat transfer model of a semi-industrial induction furnace has been build, using a 3D finite element model in order to analyze the entire process cycle,…”
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Effect of accelerated crucible rotation on the segregation of impurities in vertical Bridgman growth of multi-crystalline silicon by Bellmann, M.P., Meese, E.A., Arnberg, L.

“…We have performed axisymmetric, transient simulations of the vertical Bridgman growth of mc-silicon to study the effect of the accelerated crucible rotation…”
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Optimization of silicon crystallization in a Bridgman growth furnace by numerical modeling by Bellmann, M.P., Dalaker, H., Syvertsen, M., Gouttebroze, S., M'Hamdi, M.

“…A heat transfer model of a semi-industrial furnace has been build, using a 3D FEM model in order to analyze the crystallization phase of a multi-crystalline…”
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Effect of steady crucible rotation on the segregation of impurities in vertical Bridgman growth of multi-crystalline silicon by Bellmann, M.P., Meese, E.A.

“…We have performed axisymmetric, transient simulations of the vertical Bridgman growth of multi-crystalline (mc) silicon to study the effect of the steady…”
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Silica versus silicon nitride crucible: Influence of thermophysical properties on the solidification of multi-crystalline silicon by Bridgman technique by Bellmann, M.P., Meese, E.A., Syvertsen, M., Solheim, A., Sørheim, H., Arnberg, L.

“…In contrast to standard silica crucibles, which can only be used once, crucibles made of silicon nitride have the potential of being used several times for…”
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The impact of germanium doping on the dislocation distribution in directional solidified mc-silicon by Bellmann, M.P., Kaden, T., Kressner-Kiel, D., Friedl, J., Möller, H.J., Arnberg, L.

“…In this paper experimental results on the effect of the Ge doping on the distribution of dislocations in directional solidified multi-crystalline (mc) Si are…”
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Optimisation of the VGF growth process by inverse modelling by Bellmann, M.P., Pätzold, O., Stelter, M., Möller, H.J.

“…Numerical and experimental results on the thermal optimisation of vertical gradient freeze crystal growth are presented. An inverse modelling approach is…”
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Radial segregation in VGF-RMF grown germanium by Bellmann, M.P., Pätzold, O., Gärtner, G., Möller, H.J., Stelter, M.

“…In this paper experimental results of the radial dopant segregation in Ge:Ga single crystals grown by the vertical gradient freeze technique with a rotating…”
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Time-dependent numerical simulation of the VGF process with a rotating magnetic field by Bellmann, M.P., Pätzold, O., Wunderwald, U., Stelter, M., Möller, H.J.

“…The influence of a rotating magnetic field (RMF) on the vertical gradient freeze (VGF) growth of Ga-doped Ge is studied numerically using the program CrysVun…”
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