New Design of Quantized Hall Resistance Array Device

Oe, Takehiko; Matsuhiro, Kenjiro; Itatani, Taro; Gorwadkar, Sucheta; Kiryu, Shogo; Kaneko, Nobu‐Hisa

doi:10.1109/tim.2012.2228750

Cited by 25 publications

(22 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…PTB realized standards ( fig.18b) made of ten Hall bars connected in series or in parallel [190,192]. NMIJ pursues the development of arrays to achieve not only resistance standards of 10 kΩ [193] and 1 MΩ [191] (fig.18c) resistance values but also voltage dividers [194].…”

Section: Arraysmentioning

confidence: 99%

The ampere and the electrical units in the quantum era

Poirier

Djordjevic

Schopfer

et al. 2019

Comptes Rendus. Physique

View full text Add to dashboard Cite

By fixing two fundamental constants from quantum mechanics, the Planck constant h and the elementary charge e, the revised Système International (SI) of units endorses explicitly quantum mechanics. This evolution also highlights the importance of this theory which underpins the most accurate realization of the units. From 20 May 2019, the new definitions of the kilogram and of the ampere, based on fixed values of h and e respectively, will particularly impact the electrical metrology. The Josephson effect (JE) and the quantum Hall effect (QHE), used to maintain voltage and resistance standards with unprecedented reproducibility since 1990, will henceforth provide realizations of the volt and the ohm without the uncertainties inherited from the older electromechanical definitions. More broadly, the revised SI will sustain the exploitation of quantum effects to realize electrical units, to the benefit of end-users. Here, we review the state-of-the-art of these standards and discuss further applications and perspectives.

show abstract

Section: Arraysmentioning

confidence: 99%

The ampere and the electrical units in the quantum era

Poirier

Djordjevic

Schopfer

et al. 2019

Comptes Rendus. Physique

View full text Add to dashboard Cite

show abstract

“…In the earlier decades of developing QHR standards, the many NMI efforts had succeeded in implementing new standards based on GaAs devices [34][35][36][37][38][39][40][41][42][43], and metrologists commenced to explore the extent to which these devices could accommodate other values of resistance, namely through the construction of quantum Hall array resistance standards (QHARS) [44][45][46][47][48][49][50][51][52]. In conjunction, pursuits of standardized impedances from the QHE were well on their way at various NMIs to avoid using a difficult-to-construct calculable capacitor [53][54][55][56][57][58][59][60][61][62].…”

Section: The Evolving Role Of the Quantum Hall Effect In Determining mentioning

confidence: 99%

The quantum Hall effect in the era of the new SI

Rigosi

Elmquist

2019

Semicond. Sci. Technol.

View full text Add to dashboard Cite

The quantum Hall effect (QHE), and devices reliant on it, will continue to serve as the foundation of the ohm while also expanding its territory into other SI derived units. The foundation, evolution, and significance of all of these devices exhibiting some form of the QHE will be described in the context of optimizing future electrical resistance standards. As the world adapts to using the quantum SI, it remains essential that the global metrology community pushes forth and continues to innovate and produce new technologies for disseminating the ohm and other electrical units.

show abstract

“…In Fig. , recent quantum Hall array devices developed at NMIJ/AIST are also shown, which can be used as an intrinsic resistive voltage divider , a decade‐valued QHRS , a high‐value resistance standard, and a voltage detector .…”

Section: Quantized Hall Resistance Standardmentioning

confidence: 99%

“…However, this quantum effect clearly realizes the Revised SI ampere directly by counting/transferring elementary charge based on . With recent tremendous effort and new ideas, it is expected that several limited applications will be directly realized by SET devices in the near future .…”

Section: Set Effect and Current Standardsmentioning

confidence: 99%

Review of quantum electrical standards and benefits and effects of the implementation of the ‘revised SI’

Kaneko

2017

IEEJ Transactions Elec Engng

Self Cite

View full text Add to dashboard Cite

In the present International System of Units (SI), the Josephson effect and quantum Hall effect have been utilized for voltage and resistance primary standards, and the electrical current standard has been derived from a combination of the two quantum standards. In 2018, it is planned that the SI will be revised based on the latest measurements results of the Planck constant, elementary charge, Avogadro constant, and Boltzmann constant. The adoption of the 'Revised SI' means we shall finally terminate the traceability of the kilogram tied to an artifact (the international prototype of the kilogram) and start a new traceability of the kilogram to the Planck constant h. In electricity and magnetism metrology, and related precision measurements, the traceability presently based on the 'conventional values' of the Josephson constant and the von Klitzing constant is going to be switched to the revised traceability based on the Planck constant and elementary charge. In this article, the foundation of the quantum electrical measurements and how the Revised SI, which is based purely on fundamental physical constants and quantum effects, will bring us a long-term benefit with negligible impact to industry are detailed.

show abstract

New Design of Quantized Hall Resistance Array Device

Cited by 25 publications

References 16 publications

The ampere and the electrical units in the quantum era

The ampere and the electrical units in the quantum era

The quantum Hall effect in the era of the new SI

Review of quantum electrical standards and benefits and effects of the implementation of the ‘revised SI’

Contact Info

Product

Resources

About