Contactless processing of SiGe-melts in EML under reduced gravity

Electronic materials: Achieving a better mix Low-gravity environments help to produce a semiconducting alloy with great promise for electronics, shows researchers from Germany. Yuansu Luo from the Georg-August-Universität and co-workers measure the thermal properties of molten silicon–germanium duri...

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Autores principales:	Yuansu Luo, Bernd Damaschke, Stephan Schneider, Georg Lohöfer, Nikolay Abrosimov, Matthias Czupalla, Konrad Samwer
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2016
Materias:	Biotechnology TP248.13-248.65 Physiology QP1-981
Acceso en línea:	https://doaj.org/article/7a10ba38602e4cf6ace3c8c2caf68bae
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spelling	oai:doaj.org-article:7a10ba38602e4cf6ace3c8c2caf68bae2021-12-02T15:18:48ZContactless processing of SiGe-melts in EML under reduced gravity10.1038/s41526-016-0007-32373-8065https://doaj.org/article/7a10ba38602e4cf6ace3c8c2caf68bae2016-12-01T00:00:00Zhttps://doi.org/10.1038/s41526-016-0007-3https://doaj.org/toc/2373-8065Electronic materials: Achieving a better mix Low-gravity environments help to produce a semiconducting alloy with great promise for electronics, shows researchers from Germany. Yuansu Luo from the Georg-August-Universität and co-workers measure the thermal properties of molten silicon–germanium during parabolic flights. Silicon is the dominant material in the electronic industry. Adding germanium, however, creates a semiconductor with even more useful properties. Producing high-quality crystals of this alloy is challenging because gravity separates the two elements when in liquid form. A low-gravity environment could help, but more must be known about the properties of silicon–germanium under such conditions. Luo et al. processed a silicon–germanium melt in an electromagnetic levitation facility in microgravity conditions, analyzed video images to determine its thermal expansion, viscosity, and surface tension and observed an alloying effect and a crossover phenomenon. The results pave the way for more detailed investigations on the International Space Station.Yuansu LuoBernd DamaschkeStephan SchneiderGeorg LohöferNikolay AbrosimovMatthias CzupallaKonrad SamwerNature PortfolioarticleBiotechnologyTP248.13-248.65PhysiologyQP1-981ENnpj Microgravity, Vol 2, Iss 1, Pp 1-9 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biotechnology TP248.13-248.65 Physiology QP1-981
spellingShingle	Biotechnology TP248.13-248.65 Physiology QP1-981 Yuansu Luo Bernd Damaschke Stephan Schneider Georg Lohöfer Nikolay Abrosimov Matthias Czupalla Konrad Samwer Contactless processing of SiGe-melts in EML under reduced gravity
description	Electronic materials: Achieving a better mix Low-gravity environments help to produce a semiconducting alloy with great promise for electronics, shows researchers from Germany. Yuansu Luo from the Georg-August-Universität and co-workers measure the thermal properties of molten silicon–germanium during parabolic flights. Silicon is the dominant material in the electronic industry. Adding germanium, however, creates a semiconductor with even more useful properties. Producing high-quality crystals of this alloy is challenging because gravity separates the two elements when in liquid form. A low-gravity environment could help, but more must be known about the properties of silicon–germanium under such conditions. Luo et al. processed a silicon–germanium melt in an electromagnetic levitation facility in microgravity conditions, analyzed video images to determine its thermal expansion, viscosity, and surface tension and observed an alloying effect and a crossover phenomenon. The results pave the way for more detailed investigations on the International Space Station.
format	article
author	Yuansu Luo Bernd Damaschke Stephan Schneider Georg Lohöfer Nikolay Abrosimov Matthias Czupalla Konrad Samwer
author_facet	Yuansu Luo Bernd Damaschke Stephan Schneider Georg Lohöfer Nikolay Abrosimov Matthias Czupalla Konrad Samwer
author_sort	Yuansu Luo
title	Contactless processing of SiGe-melts in EML under reduced gravity
title_short	Contactless processing of SiGe-melts in EML under reduced gravity
title_full	Contactless processing of SiGe-melts in EML under reduced gravity
title_fullStr	Contactless processing of SiGe-melts in EML under reduced gravity
title_full_unstemmed	Contactless processing of SiGe-melts in EML under reduced gravity
title_sort	contactless processing of sige-melts in eml under reduced gravity
publisher	Nature Portfolio
publishDate	2016
url	https://doaj.org/article/7a10ba38602e4cf6ace3c8c2caf68bae
work_keys_str_mv	AT yuansuluo contactlessprocessingofsigemeltsinemlunderreducedgravity AT bernddamaschke contactlessprocessingofsigemeltsinemlunderreducedgravity AT stephanschneider contactlessprocessingofsigemeltsinemlunderreducedgravity AT georglohofer contactlessprocessingofsigemeltsinemlunderreducedgravity AT nikolayabrosimov contactlessprocessingofsigemeltsinemlunderreducedgravity AT matthiasczupalla contactlessprocessingofsigemeltsinemlunderreducedgravity AT konradsamwer contactlessprocessingofsigemeltsinemlunderreducedgravity
_version_	1718387454135762944

Contactless processing of SiGe-melts in EML under reduced gravity

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