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Silicon

Companies Silicon

Silicon Products Bitterfeld GmbH & Co.KG, Germany

Silicon Products Bitterfeld GmbH & Co.KG (SPB) operates in Bitterfeld-Wolfen (close to city of Leipzig), Germany, a large-scale silicon production plant. The sale of Silicon Products Bitterfeld GmbH & Co KG from PV Crystalox Solar Silicon GmbH to Silicon Products Research Engineering Production Gmb more

News Silicon

  • WACKER Acquires a Stake in UK Battery Materials Specialist Nexeon

    Wacker Chemie AG is intensifying its research activities on silicon-based materials for high-performance batteries by taking a holding in Nexeon Ltd. The Munich-based chemical company announced that it is acquiring a 25 percent stake in the UK specialist for new battery materials. WACKER and Nexeon more

  • Porous silicon layers for more efficient lithium-ion batteries

    The Fraunhofer FEP has developed coating processes for industry for several years. Recently in the project PoSiBat, Fraunhofer FEP scientists were able to develop a non-toxic and efficient manufacturing process for porous silicon layers. The results of the recently completed project will be presente more

  • Playfully discover atom manipulation

    The team of Toma Susi at the University of Vienna uses a state-of-the-art electron microscope, the UltraSTEM, to manipulate strongly bound materials with atomic precision. Since the instruments used are fully computerized, it is possible to show in a simulation how researchers actually use them. Thi more

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Videos Silicon

Silicon

Silicon is a very abundant and important element. more

Infographics Silicon

The Chemistry of Silly Putty

Silly putty (or science putty, as it’s sometimes referred to) is an odd material. Stretch it slowly and it happily deforms, and can be molded very easily. However, pull it apart with enough force and it’ll snap clean in two. It flows imperceptibly slowly, as if it were a thick liquid, but when rolle more

Group 4 Elements

This latest infographic focuses on the Group 4 (Group 14 in IUPAC nomenclature) elements. One extra fact to add for the curious: although tin has the greatest number of stable isotopes, Xenon trumps it comprehensively if unstable isotopes are also included in the count, with well over 30 possible is more

The Chemical Elements of a Smartphone

There are an isolated few graphics online that look at elements involved in the manufacture of a smartphone – for example, this ‘Periodic Table of iPhones’ – but there’s actually remarkably little easily accessible information out there that details the specific compounds used for specific purposes more

Publications Silicon

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q&more articles Silicon

  • How the Avogadro constant was measured for the last time

    Since the 20th of May 2019, the mass unit kilogram is no longer defined by the international kilogram prototype but by the numerical value of the Planck constant, the most important fundamental constant in quantum physics. For this definition, the Planck constant needed to be measured with the greatest possible accuracy by two independent methods. more

  • The Best Measurement

    It is now more than 30 years since attempts started to find a way of defining the kilogram based on an atomic constant or a fundamental physical constant. Since then, two methods have advanced sufficiently far to make it likely that there will be a new definition within the coming years, namely the Watt balance ­experiment for determination of Planck‘s constant h and the Avogadro experiment for determining the ­Avogadro Constant NA. more

Definition

Silicon

Silicon Silicon ( or , ) is the chemical element that has the symbol Si and atomic number 14. A tetravalent metalloid , silicon is less reactive than its chemical analog carbon . As the eighth most common element in the universe by mass, sil ... more

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