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|Submit Date||Name||Organisation||Statement of capabilities/facilities|
|2020-07-01.||Felicien SCHOPFER||LNE||LNE is the leading French National Metrology Institute and a recognized testing laboratory. LNE has been leading graphene research works since 2007 for application in quantum electrical metrology. In particular, state-of-the-art results were obtained in high quality graphene devices with the quantum Hall resistance standard operating in relaxed experimental conditions. LNE also develops reliable and accurate characterization methods for graphene related materials regarding mainly electrical, structural and thermal properties, within Graphene Flagship – Validation Service, notably. In SRT-f11, the proposed contribution is mainly based on high-precision quantum Hall effect measurements, including Hall and longitudinal resistance up to 20 T, down to 0.3 K, with 10^-10-accurate resistance bridge based on a CCC for comparison with GaAs/AlGaAs and graphene devices. Complementary magnetotransport and quantum electronic transport measurements are also proposed.|
|2020-06-26.||Massimo Ortolano||Politecnico di Torino has broad experience in the design of low-noise electronics and data acquisition systems for noise metrology, and circuit modelling of electronic devices for metrology applications.|
|2020-06-26.||Luca Callegaro||Istituto Nazionale di Ricerca Metrologica||Italian National Metrology Institute. QHE for resistance and impedance metrology; digital bridges. Traceable noise spectrometry of materials and devices, including noise correlations of multiport devices. Conductivity maps of 2D materials by Electrical Resistance Tomography.|
|2020-06-25.||Thomas Heine||HZDR||Predictive calculations of structure, electronic and topological properties of 2D materials including 2D covalent-organic frameworks and 2D metal-organic frameworks.
We use atomistic calculations (density-functional theory, density-functional tight-binding, empirical tight binding, force fields) and characterize topological phases by calculation of Chern numbers and Z2 invariants.
For characterization we calculate Raman and IR spectra, magnetic properties (magnetisation, EPR), Mößbauer spectra, charge and spin conductivity.
|2020-06-11.||Hansjörg Scherer||Physikalisch-Technische Bundesanstalt (PTB)||Metrology-grade QHR experiments:
- Precision Hall and longitudinal voltage/resistance measurements in cryo-magnet systems (up to 20 T, down to 20 mK)
- Resistance reference traced to the iQHE
- State-of-the-art cryogenic current comparator (CCC) resistance bridge, operable very low currents down to few nA.
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