The GIQS partners continue to work on graphene for metrology
The GIQS project is finished, but the project partners continue to work on graphene for metrology! The paper "Impact of Polymer-Assisted Epitaxial...
Graphene resistance standards become even more user-friendly
The charge carrier density and the onset of the quantum Hall plateau can be tailored by adjusting the concentration of the molecular dopant F4-TCNQ...
New paper on impedance bridge comparison
A new paper from GIQS is available as an open access accepted manuscript in Metrologia! PTB and INRIM performed an onsite direct comparison of...
Knowledge transfer to NIMT
A scientist from the National Institute of Metrology, Thailand (NIMT) is staying for two months at PTB to realize a knowledge transfer from the GIQS...
Good practice guide is out
The "Good practice guide on the graphene-based AC-QHE realization of the farad", a 49-pages document dealing with graphene devices fabrication,...
GIQS YouTube channel: growing interest
The YouTube channel of the GIQS project has now 15 videos and collected more than 1400 views! Thank you very much for your interest!
AC measurements of QHE devices at METAS
In just three minutes, the video "AC measurements of quantum Hall effect devices", by Frédéric Overney and Blaise Jeanneret, will give you a quick but...
Transportation chamber for the delivery of graphene samples
Being an atomic monolayer, graphene is sensitive to the environment, in paticular to changes in its doping caused by exposure to the atmosphere. This...
A new video on the GIQS YouTube channel
A new video on the GIQS YouTube channel, "A common day with graphene based quantum impedance standard at CMI for linking DC and AC impedance...