Performance and Stability Assessment of Graphene-Based Quantum Hall Devices for Resistance Metrology
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00177016%3A_____%2F23%3AN0000030" target="_blank" >RIV/00177016:_____/23:N0000030 - isvavai.cz</a>
Result on the web
<a href="https://ieeexplore.ieee.org/document/10139834" target="_blank" >https://ieeexplore.ieee.org/document/10139834</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/TIM.2023.3280523" target="_blank" >10.1109/TIM.2023.3280523</a>
Alternative languages
Result language
angličtina
Original language name
Performance and Stability Assessment of Graphene-Based Quantum Hall Devices for Resistance Metrology
Original language description
For more than three decades, GaAs/AlGaAs quantum Hall (QH) devices are being used as standards for the realization of the dc resistance unit ohm. Recently, the outstanding performance of graphene-based QH resistance (QHR) devices signifies an immense potential for a transition from GaAs to graphene-based devices in the field of resistance and also impedance metrology, with equally good accuracy. The recent developments in epitaxial graphene (EG) quality and fabrication of EG-based doped QHR devices and their improved performance tested in several national metrology institutes (NMIs) all over the world have demonstrated a more user-friendly dissemination of the unit ohm since they can be operated at relatively low magnetic fields and higher temperatures in comparison to existing GaAs-based devices. In this work, we have extensively tested the temporal stability of the magneto-transport properties of our graphene QH devices fabricated in the Physikalisch-Technische Bundesanstalt (PTB) and the resistance quantization performance by means of repeated high-accuracy cryogenic current comparator (CCC) measurements with several devices. Together with interlaboratory comparisons between NMIs, the performance and stability assessment demonstrate the readiness of the technology for calibration purposes in resistance metrology.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20201 - Electrical and electronic engineering
Result continuities
Project
<a href="/en/project/8B19009" target="_blank" >8B19009: Graphene impedance quantum standard</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
IEEE Transactions on Instrumentation and Measurement
ISSN
0018-9456
e-ISSN
1557-9662
Volume of the periodical
72
Issue of the periodical within the volume
1502206
Country of publishing house
US - UNITED STATES
Number of pages
6
Pages from-to
—
UT code for WoS article
001012772500008
EID of the result in the Scopus database
2-s2.0-85161055369