Title :
Plateaux flatness in the ACQHR: do gates really help?
Author :
Inglis, A.D. ; Wood, B.M. ; Cote, M. ; Young, R.B. ; Early, M.D.
Author_Institution :
Inst. for Nat. Meas. Stand., Nat. Res. Council of Canada, Ottawa, Ont., Canada
Abstract :
We describe audiofrequency measurements of quantum Hall resistors mounted with and without back-gates. When appropriate potentials are applied to the gates, flat plateaux are obtained; but under these circumstances we find ambiguities in the measured Hall values.
Keywords :
electric resistance measurement; measurement standards; quantum Hall effect; resistors; AC quantum Hall resistance; AF measurements; audiofrequency measurements; back-gates; measured Hall values; plateaux flatness; quantum AC standard; quantum Hall resistors; resistance standard; Bridges; Coaxial components; Electrical resistance measurement; Laboratories; Magnetic field measurement; Magnetic fields; Measurement standards; Probes; Reproducibility of results; Standards development;
Conference_Titel :
Precision Electromagnetic Measurements, 2002. Conference Digest 2002 Conference on
Conference_Location :
Ottawa, Ontario, Canada
Print_ISBN :
0-7803-7242-5
DOI :
10.1109/CPEM.2002.1034959
