Výsledky vyhledávání - "Wunderwald, U."

Akademický článek

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Akademický článek

Model experiments and numerical simulations for directional solidification of multicrystalline silicon in a traveling magnetic field

Autor: Dadzis, K., Ehrig, J., Niemietz, K., Pätzold, O., Wunderwald, U., Friedrich, J.

Publikováno v: In Journal of Crystal Growth 2011 333(1):7-15

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A Low-Cost Al-Graphite Battery with Urea and Acetamide-Based Electrolytes

Autor: Jach, F., Wassner, M., Bamberg, M., Brendler, E., Frisch, G., Wunderwald, U., Friedrich, J.

Al-ion batteries employing natural graphite cathodes have been proposed as a valid alternative to Li-ion systems due to their low-cost and sustainability, as well as a stable long-term cycle life. In contrast to commonly used but typically expensive

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______610::e2842ea1e25de34e86c88dffabe96876
https://publica.fraunhofer.de/handle/publica/268742

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Akademický článek

Time-dependent numerical simulation of the VGF process with a rotating magnetic field

Autor: Bellmann, M.P., Pätzold, O., Wunderwald, U., Stelter, M., Möller, H.J.

Publikováno v: In Journal of Crystal Growth 2007 303(1):250-252

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Akademický článek

Vertical gradient freeze growth of GaAs with a rotating magnetic field

Autor: Pätzold, O ^*, Grants, I, Wunderwald, U, Jenkner, K, Cröll, A, Gerbeth, G

Publikováno v: In Journal of Crystal Growth 2002 245(3):237-246

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Phonons in SiAs: Raman scattering study and DFT calculations

Autor: Kutzner, J., Kortus, J., Pätzold, O., Wunderwald, U., Irmer, G.

We present experimental Raman scattering results on single-crystal silicon monoarsenide (SiAs). Based on a comparison between Raman measurements and first-principles density functional theory calculations, we found evidence that SiAs will occur in a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______610::6c809e8c172ce277f911fc5c1199fdb1
https://publica.fraunhofer.de/handle/publica/226844

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Influence of Travelling Magnetic Fields on Melt Convection During Bridgman Type Solidification of Multi-Crystalline Silicon

Autor: Wunderwald, U., Dadzis, K., Zschorsch, M., Jung, T., Friedrich, J.

24th European Photovoltaic Solar Energy Conference, 21-25 September 2009, Hamburg, Germany; 1023-1028
Application of a traveling magnetic field (TMF) to Bridgman-type solidification of multi-crystalline silicon for photovoltaic applications prov

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5546aeb4e766c607c9fd0cc2d3338a28

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Akademický článek

Waste Heat Energy Harvesting by use of BaTiO3 for Pyroelectric Hydrogen Generation.

Autor: Belitz, R., Meisner, P., Coeler, M., Wunderwald, U., Friedrich, J., Zosel, J., Schelter, M., Jachalke, S., Mehner, E.

Publikováno v: Energy Harvesting & Systems; Aug2017, Vol. 4 Issue 3, p107-113, 7p

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Linearization approaches in VGF models: decoupling global radiation transfer and the Stefan problem

Autor: Grants, I., Gerbeth, G., Pätzold, O., Wunderwald, U., Jenkner, K.

Publikováno v: DGKK-Jahrestagung, Freiberg, 11-12.10.2000

Simplified theoretical models are presented for the highly coupled phenomena of heat transfer, convection and solidification during VGF crystal growth. The models are essential in order to inverse the general approach: optimal conditions at the solid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::5a297a32802f55069f66bd233927bfea
https://www.hzdr.de/publications/Publ-3539-1

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