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SINHOPSI

Single-Hole Pumping in Silicon

Total Cost €

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EC-Contrib. €

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Partnership

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 SINHOPSI project word cloud

Explore the words cloud of the SINHOPSI project. It provides you a very rough idea of what is the project "SINHOPSI" about.

world    larger    pumps    practical    economic    ing    suppressing    perform    physical    technological    standard    driving    currents    ascribable    transfer    ampere    operate    true    holes    confined    quantum    decades    cycle    metrology    oscillators    quantities    employed    constants    last    equivalent    tightly    benefits    electrons    generate    reliability    experimentally    electrical    pump    underpinning    few    pumping    nano    single    mass    stability    realize    limitation    clocking    wavefunction    prototypes    ultimately    industrial    errors    historically    poor    elementary    electric    si    compare    fact    phenomena    artefacts    consistent    positive    silicon    globally    fidelity    nature    shift    confinement    spatial    agreed    reference    accurate    record    carrier    electron    charge    linked    transport    serve    determined    primary    carries    significantly    material    standards    semiconductor    produces    nanotechnology    units    performances    hole    first    fabricate   

Project "SINHOPSI" data sheet

The following table provides information about the project.

Coordinator
THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE 

Organization address
address: TRINITY LANE THE OLD SCHOOLS
city: CAMBRIDGE
postcode: CB2 1TN
website: www.cam.ac.uk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website https://www.me.phy.cam.ac.uk/group-members/ar446
 Total cost 183˙454 €
 EC max contribution 183˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-RI
 Starting year 2016
 Duration (year-month-day) from 2016-01-11   to  2018-01-10

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE UK (CAMBRIDGE) coordinator 183˙454.00

Map

 Project objective

A globally consistent system of measurement units and reference standards is a necessary underpinning feature of most technological, industrial and economic activities. In fact, to perform measurements of physical quantities, record and compare them in a consistent way, systems of units and standards have been historically developed and agreed upon. However, in the last few decades, the ever-increasing need for stability and reliability has determined a shift from standards based on material artefacts or prototypes towards those based on physical phenomena and true constants of nature. The focus of this proposal is the development of a novel quantum technology to generate highly accurate electric currents directly linked to the elementary charge. This could serve as the practical implementation for a quantum-based standard for the SI unit ampere, which is a long-standing goal in electrical metrology. Semiconductor nano-scale charge pumps have been used in the last three decades to generate accurate electric currents by clocking the transport of single electrons with driving oscillators. The main limitation to the fidelity of the charge transfer is ultimately ascribable to the poor spatial confinement of electrons that produces errors during the pumping cycle. In this project silicon-based nanotechnology will be employed to realize and operate the world-first charge pump based on the transfer of single holes rather than electrons. A hole carries the positive equivalent of an elementary charge, but its effective mass can be significantly larger than the electron's. The resulting tightly confined charge carrier wavefunction is expected to provide significant benefits in suppressing pumping errors. The primary objectives will be to develop the underpinning technology to fabricate and operate the first single-hole pump, and experimentally assess its performances in comparison to the well-established electron-based technology.

 Publications

year authors and title journal last update
List of publications.
2018 A. Rossi, J. Klochan, J. Timoshenko, F. E. Hudson, M. Mottonen, S. Rogge, A. S. Dzurak, V. Kashcheyevs, G. C. Tettamanzi
Gigahertz Single-Electron Pumping Mediated by Parasitic States
published pages: , ISSN: , DOI:
2019-06-13
2016 John King Gamble, Patrick Harvey-Collard, N. Tobias Jacobson, Andrew D. Baczewski, Erik Nielsen, Leon Maurer, Inès Montaño, Martin Rudolph, M. S. Carroll, C. H. Yang, A. Rossi, A. S. Dzurak, Richard P. Muller
Valley splitting of single-electron Si MOS quantum dots
published pages: 253101, ISSN: 0003-6951, DOI: 10.1063/1.4972514
Applied Physics Letters 109/25 2019-06-13
2017 R. Zhao, A. Rossi, S. P. Giblin, J. D. Fletcher, F. E. Hudson, M. Möttönen, M. Kataoka, A. S. Dzurak
Thermal-Error Regime in High-Accuracy Gigahertz Single-Electron Pumping
published pages: , ISSN: 2331-7019, DOI: 10.1103/physrevapplied.8.044021
Physical Review Applied 8/4 2019-06-13
2017 A. Rossi, R. Zhao, A. S. Dzurak, M. F. Gonzalez-Zalba
Dispersive readout of a silicon quantum dot with an accumulation-mode gate sensor
published pages: 212101, ISSN: 0003-6951, DOI: 10.1063/1.4984224
Applied Physics Letters 110/21 2019-06-13
2018 Imtiaz Ahmed, James A. Haigh, Simon Schaal, Sylvain Barraud, Yi Zhu, Chang-min Lee, Mario Amado, Jason W. A. Robinson, Alessandro Rossi, John J. L. Morton, M. Fernando Gonzalez-Zalba
Radio-frequency capacitive gate-based sensing
published pages: , ISSN: , DOI:
2019-06-13

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