Archivio Istituzionale della RicercaWe report a potential application of a 1GΩ star-mesh graphene quantum Hall array resistance standard (QHARS), consisting of less than forty quantum Hall elements, for high resistance calibration. The QHARS was evaluated and used to calibrate the 100MΩ to 10GΩ resistance standards using a dual source bridge with a least-squares interpolation method. The results were compared with the values obtained from long established high resistance calibration chain at the National Institute of Standards and Technology, which is based on the single quantized Hall resistance of 12.906... kΩ, and found to agree within the standard uncertainty of the measurement.
Direct Realization of High Resistance Standards Using a Star-Mesh Graphene Quantized Hall Resistance Standard / Mai Tran, N.T., Musso, M., Lin, W., Yang, Y., Panna, A.R., Yang, C., Elmquist, R.E., Newell, D.B., Liang, C., Ortolano, M., Rigosi, A.F., Jarrett, D.G.. - ELETTRONICO. - (2026), pp. 1-2. (2026 Conference on Precision Electromagnetic Measurements (CPEM) Madrid (Spa) 6-11 September 2026) [10.1109/cpem68396.2026.11756518].
Direct Realization of High Resistance Standards Using a Star-Mesh Graphene Quantized Hall Resistance Standard
Musso, Marta;Ortolano, Massimo;
2026
Abstract
We report a potential application of a 1GΩ star-mesh graphene quantum Hall array resistance standard (QHARS), consisting of less than forty quantum Hall elements, for high resistance calibration. The QHARS was evaluated and used to calibrate the 100MΩ to 10GΩ resistance standards using a dual source bridge with a least-squares interpolation method. The results were compared with the values obtained from long established high resistance calibration chain at the National Institute of Standards and Technology, which is based on the single quantized Hall resistance of 12.906... kΩ, and found to agree within the standard uncertainty of the measurement.
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Direct_Realization_of_High_Resistance_Standards_Using_a_Star-Mesh_Graphene_Quantized_Hall_Resistance_Standard.pdf
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Tran2026b_CPEM.pdf
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https://hdl.handle.net/11583/3017674