The development of new graphene quantum Hall devices continues
In the photo, a new device that quantizes with an accuracy within parts per billion at the temperature of 4.2 K and for a minimum applied field of 3.5...
Digital impedance bridge connected to graphene quantum Hall device
The project GIQS is now in the second half of its life. The newly developed digital impedance bridges are now being connected to graphene quantum Hall...
A new small-size cryogenic probe
For the GIQS project, INRIM realized a small-size cryogenic probe that allows to set graphene Hall devices in quantisation conditions in a helium bath...
Optimization of epitaxial graphene growth on SiC for quantum metrology
This video is the third part of the seminar of Davood Momeni at PTB, "Optimization of epitaxial #graphene growth on SiC for quantum metrology" given...
Presentation to experts of the German Calibration Service
Stephan Bauer from PTB presented the GIQS project to experts from the German Calibration Service, at the online seminar "Aktuelle Fortschritte von...
Enhanced electronic device performance: isotropic transport in SiC/graphene
This video is the second part of the seminar of Davood Momeni at PTB, "Optimization of epitaxial graphene growth on SiC for quantum metrology" given...
SiC/graphene-based quantum resistance metrology
This video, is the first part of the seminar of Davood Momeni at PTB, "Optimization of epitaxial graphene growth on SiC for quantum metrology" given...
Status of graphene device fabrication
Adrien Michon, CNRS-Centre de Recherche sur l'Hétéro-Epitaxie et ses Applications, France, gives a status update of Workpackage 1 "Graphene devices...
Happy new year!
In this video, Stephan Bauer, (PTB, Germany) describes a novel four-terminal pair impedance bridge, based on pulse-driven Josephson arrays, in...