Key Papers in Metrologia leading up to the 2018 revision of the International System of Units (SI)

D B Newell et al 2018 Metrologia 55 L13
The CODATA 2017 values of h, e, k, and NA for the revision of the SI
https://doi.org/10.1088/1681-7575/aa950a

Peter J Mohr et al 2018 Metrologia 55 125
Data and analysis for the CODATA 2017 special fundamental constants adjustment
https://doi.org/10.1088/1681-7575/aa99bc

Martin J T Milton et al 2014 Metrologia 51 R21
Towards a new SI: a review of progress made since 2011
https://doi.org/10.1088/0026-1394/51/3/R21

The kilogram (kg)
Philippe Richard et al 2016 Metrologia 53 A6
Foundation for the redefinition of the kilogram
https://doi.org/10.1088/0026-1394/53/5/A6

H Bettin and S Schlamminger 2016 Metrologia 53 A1
Realization, maintenance and dissemination of the kilogram in the revised SI
https://doi.org/10.1088/0026-1394/53/5/A1

Richard S Davis et al 2016 Metrologia 53 A12
A brief history of the unit of mass: continuity of successive definitions of the kilogram
https://doi.org/10.1088/0026-1394/53/5/A12

M Stock et al 2017 Metrologia 54 S99
Maintaining and disseminating the kilogram following its redefinition
https://doi.org/10.1088/1681-7575/aa8d2d

B M Wood et al 2017 Metrologia 54 399
A summary of the Planck constant determinations using the NRC Kibble balance
https://doi.org/10.1088/1681-7575/aa70bf

D Haddad et al 2017 Metrologia 54 633
Measurement of the Planck constant at the National Institute of Standards and Technology from
2015 to 2017
https://doi.org/10.1088/1681-7575/aa7bf2

G Bartl et al 2017 Metrologia 54 693
A new 28Si single crystal: counting the atoms for the new kilogram definition
https://doi.org/10.1088/1681-7575/aa7820

K Fujii et al 2018 Metrologia 55 L1
Avogadro constant measurements using enriched 28Si monocrystals
https://doi.org/10.1088/1681-7575/aa9abd

Kenichi Fujii et al 2016 Metrologia 53 A19
Realization of the kilogram by the XRCD method
https://doi.org/10.1088/0026-1394/53/5/A19

Ian A Robinson and Stephan Schlamminger 2016 Metrologia 53 A46
The watt or Kibble balance: a technique for implementing the new SI definition of the unit of mass
https://doi.org/10.1088/0026-1394/53/5/A46

Michael Stock et al 2015 Metrologia 52 310
Calibration campaign against the international prototype of the kilogram in anticipation of the
redefinition of the kilogram part I: comparison of the international prototype with its official
copies
https://doi.org/10.1088/0026-1394/52/2/310

Estefanía de Mirandés et al 2016 Metrologia 53 1204
Calibration campaign against the international prototype of the kilogram in anticipation of the
redefinition of the kilogram, part II: evolution of the BIPM as-maintained mass unit from the 3rd
periodic verification to 2014

https://doi.org/10.1088/0026-1394/53/5/1204

The kelvin (K)

J Fischer et al 2018 Metrologia 55 R1
The Boltzmann project
https://doi.org/10.1088/1681-7575/aaa790

L Pitre et al 2017 Metrologia 54 856
New measurement of the Boltzmann constant k by acoustic thermometry of helium-4 gas
https://doi.org/10.1088/1681-7575/aa7bf5

Christof Gaiser et al 2017 Metrologia 54 280
Final determination of the Boltzmann constant by dielectric-constant gas thermometry
https://doi.org/10.1088/1681-7575/aa62e3

Jifeng Qu et al 2017 Metrologia 54 549
An improved electronic determination of the Boltzmann constant by Johnson noise thermometry
https://doi.org/10.1088/1681-7575/aa781e

M R Moldover et al 2014 Metrologia 51 R1
Acoustic gas thermometry
https://doi.org/10.1088/0026-1394/51/1/R1

The ampere (A)

F Stein et al 2017 Metrologia 54 S1
Robustness of single-electron pumps at sub-ppm current accuracy level
https://doi.org/10.1088/1681-7575/54/1/S1

The mole (mol)

Richard J C Brown 2018 Metrologia 55 L25
The evolution of chemical metrology: distinguishing between amount of substance and counting
quantities, now and in the future
https://doi.org/10.1088/1681-7575/aaace8

Richard S Davis and Martin J T Milton 2014 Metrologia 51 169
The assumption of the conservation of mass and its implications for present and future definitions of the kilogram and the mole
https://doi.org/10.1088/0026-1394/51/3/169

Martin J T Milton 2013 Metrologia 50 158
The mole, amount of substance and primary methods
https://doi.org/10.1088/0026-1394/50/2/158

The candela (cd)

Joanne C Zwinkels et al 2010 Metrologia 47 R15
Photometry, radiometry and ‘the candela’: evolution in the classical and quantum world
https://doi.org/10.1088/0026-1394/47/5/R01

General
Peter J Mohr 2008 Metrologia 45 129
Defining units in the quantum based SI
https://doi.org/10.1088/0026-1394/45/2/001

Ian M Mills et al 2006 Metrologia 43 227
Redefinition of the kilogram, ampere, kelvin and mole: a proposed approach to implementing
CIPM recommendation 1 (CI-2005)
https://doi.org/10.1088/0026-1394/43/3/006

Ian M Mills et al 2005 Metrologia 42 71
Redefinition of the kilogram: a decision whose time has come
https://doi.org/10.1088/0026-1394/42/2/001