A Transportable Self-referenced Quantum Current Standard on a Silicon Chip

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The field of metrological science strives for continuous improvement in precision and reproducibility, a goal only achievable by exploiting the fundamental constants of nature. In electrical metrology, both voltage (V) and resistance (R) standards have reached this milestone, but not current (I). We aim to develop novel self-referenced nanoelectronic charge-pump devices that can generate a highly accurate, error-detectable output current utilising Australian-developed silicon-based single-electron transistor technology. We will undertake high-precision measurements in collaboration with leading European standards institutes and researchers, establishing the technological basis for a new world current standard that is reproducible worldwide.