Fabrication and Study of Large Area QHE Devices Based on Epitaxial Graphene

Autor: Novikov, S., Lebedeva, N., Pierz, K., Satrapinski, A.

Quantum Hall effect (QHE) devices based on epitaxial graphene films grown on SiC were fabricated and studied for development of the QHE resistance standard. The graphene-metal contacting area in the Hall devices has been improved and fabricated using

Externí odkaz: http://arxiv.org/abs/1412.2590

Precision Quantum Hall Resistance Measurement on Epitaxial Graphene Device in Low Magnetic Field

Autor: Satrapinski, A., Novikov, S., Lebedeva, N.

Precision quantum Hall resistance (QHR) measurements were performed on large-area epitaxial graphene device at low magnetic fields (B = 2 T - 8 T) at temperature T = 1.5 K. Hall resistance was measured using Cryogenic Current Comparator resistance br

Externí odkaz: http://arxiv.org/abs/1308.0456

New generation of low-frequency current comparators operated at room temperature

Autor: A. Satrapinski, Nick Fletcher, B. Rolland, Eckart Pesel, Martin Gotz, P. Gournay

Publikováno v: Satrapinski, A, Götz, M, Pesel, E, Fletcher, N, Gournay, P & Rolland, B 2017, ' New generation of low-frequency current comparators operated at room temperature ', IEEE Transactions on Instrumentation and Measurement, vol. 66, no. 6, 7836320, pp. 1417-1424 . https://doi.org/10.1109/TIM.2017.2652198

This paper details developments in the use of room temperature current comparators operating with low-frequency (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50c3cabec2cdec7a8a82bf5e5ee743d0
https://cris.vtt.fi/en/publications/11b0369e-c80b-40ac-af82-64c0101eb684

Graphene based sensor for environmental monitoring of NO2

Autor: S. Novikov, N. Lebedeva, A. Satrapinski, J. Walden, V. Davydov, A. Lebedev

Publikováno v: Novikov, S, Lebedeva, N, Satrapinski, A, Walden, J, Davydov, V & Lebedev, A 2016, ' Graphene based sensor for environmental monitoring of NO 2 ', Sensors and Actuators B: Chemical, vol. 236, pp. 1054-1060 . https://doi.org/10.1016/j.snb.2016.05.114

Gas sensor operating in part-per billion (ppb) range is required for environmental monitoring of nitrogen dioxide. Currently there is a lack of cheap sensors, which can operate in this concentration range. In this work, an ultrasensitive gas sensor b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1402bdce8ec83c463a08e94c8c66f9b4
http://juuli.fi/Record/0275197516

Tests of series quantum Hall arrays based on epitaxial graphene

Autor: S. Novikov, A. Satrapinski, N. Lebedeva, Antti Manninen

Publikováno v: Novikov, S, Lebedeva, N, Manninen, A & Satrapinski, A 2016, Tests of series quantum Hall arrays based on epitaxial graphene . in Precision Electromagnetic Measurements (CPEM 2016), 2016 Conference on ., 7540653, IEEE Institute of Electrical and Electronic Engineers, pp. 1-2, Conference on Precision Electromagnetic Measurements, CPEM 2016, Ottawa, Canada, 10/07/16 . https://doi.org/10.1109/CPEM.2016.7540653

Epitaxial graphene based quantum Hall resistance devices with four and eight series-connected Hall bars have been fabricated and tested for realization of quantum resistance standards with up-scaled values. Triple series connection with external bond

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c074358709dee543bf163eebd1e9f2a
https://doi.org/10.1109/CPEM.2016.7540653