Measurement of the ac quantized Hall resistance

Measurement of the ac quantized Hall resistance

The flatness and frequency dependence of the i=2 and four quantized Hall resistance plateaus have been investigated. It was observed that for frequencies up to 6.4 kHz, a flat region exists at the center of the plateaus where the relative resistance is constant to /spl plusmn/2/spl times/10/sup -8/,...

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Veröffentlicht in:IEEE transactions on instrumentation and measurement 1999-04, Vol.48 (2), p.309-313, Article 309
Hauptverfasser: Sze Wey Chua, Hartland, A., Kibble, B.P.
Format: Artikel
Sprache:eng
Schlagworte:
Bridge circuits
Bridges
Coaxial cables
Coaxial components
Electrical resistance measurement
Flatness
Frequency dependence
Halls
Inductance
Instrumentation
Laboratories
Measurement standards
Resistors
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Beschreibung
Zusammenfassung:The flatness and frequency dependence of the i=2 and four quantized Hall resistance plateaus have been investigated. It was observed that for frequencies up to 6.4 kHz, a flat region exists at the center of the plateaus where the relative resistance is constant to /spl plusmn/2/spl times/10/sup -8/, and its relative value has a linear frequency dependence of (0.119/spl plusmn/0.001) (/spl mu//spl Omega///spl Omega/)/kHz and (0.107/spl plusmn/0.007) (/spl mu//spl Omega///spl Omega/)/kHz for i=2 and 4, respectively.
ISSN:0018-9456
1557-9662
DOI:10.1109/19.769590