Quantum Hall effect metrology system. Researcher adjusting equipment being used for a measuring system based on the quantum Hall effect (QHE). This is used to determine standards for measurements of electrical resistance. This is a small table-top cryogen-free quantum Hall system based on a graphene-on-silicon-carbide system. It contains a small 5-Tesla superconducting magnet at a temperature of around 2.5 Kelvin. Photographed in 2014,at the National Physical Laboratory,Teddington,UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Brookes, Andrew / National Physical Laboratory |
Bildgröße: | 5723 px × 4292 px |
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