Avogadro constant and ion accumulation: Steps towards a redefinition of the SI unit of mass

Measurement Science and Technology

Volumn 14, Issue 8, 2003, Pages 1249-1258

  Becker, Peter ^a   Gläser, Michael ^a  

^a PHYSIKALISCH TECHNISCHE BUNDESANSTALT   (Germany)

Author keywords

Avogadro constant; Ion beam technique; Kilogram; SI units

Indexed keywords

ATOMS; GOLD; IONS; SILICON; STANDARDS; WEIGHING;

AVOGADRO CONSTANT;

METRIC SYSTEM;

MEASUREMENT METHOD;

EID: 0041739025     PISSN: 09570233     EISSN: None     Source Type: Journal    
DOI: 10.1088/0957-0233/14/8/309     Document Type: Article

References (30)

1. Maxwell J C 1870 Report to the British Association for the Advancement of Science (mathematics and physics section) XL Math. Phys. Sec. 215-42
2. Williams E R, Steiner R L, Newell D B and Olsen P T 1998 Accurate measurement of the Planck constant Phys. Rev. Lett. 81 2404-7
3. DiFilippo F, Natarajan V, Boyce K R and Pritchard D E 1994 Accurate atomic masses for fundamental metrology Phys. Rev. Lett. 73 1481-4
4. Becker P 2001 History and progress in the accurate determination of the Avogadro constant Rep. Prog. Phys. 64 1945-2008
5. Bonse U and Hart M 1965 An x-ray interferometer Appl. Phys. Lett. 6 155-6
6. Zulehner W, Neuer B and Rau G 1993 Silicon Ullmann's Encyclopedia of Industrial Chemistry vol A 23 (Weinheim: VCH) pp 721-48
7. Becker P 1986 Der Einflußvon Fremdatomen auf den Gitterparameter von Silicium, PTB-Report APh-28, Physikalisch-Technische Bundesanstalt Braunschweig
8. Friedrich H 2002 Isotopically enriched silicon: the atomic path to the kilogram? Laboratory Report Physikalisch-Technische Bundesanstalt, Braunschweig
9. De Bièvre P and Werz R 1983 How enriched must enriched isotopes be to measure synthetic isotope mixtures Int. J. Mass. Spectrom Ion Phys. 48 365-8
10. Leistner A J and Giardini W J 1995 Fabrication and sphericity measurements of single-crystal silicon spheres Metrologia 31 231-43
11. Nicolaus R A and Bönsch G 1997 A novel interferometer for dimensional measurement of a silicon sphere IEEE Trans. Instrum. Meas. 46 563-5
12. Fujii K, Waseda A and Tanaka M 2001 Density measurements of silicon crystals by hydrostatic weighing IEEE Trans. Instrum. Meas. 50 616-21
13. Kozdon A, Wagenbreth H and Hoburg D 1990 Density difference measurements on silicon single-crystals by the temperature-of-flotation method PTB-Report W-43 Physikalisch-Technische Bundesanstalt Braunschweig
14. Mohr P J and Taylor B N 1999 CODATA recommended values of the fundamental physical constant Phys. Chem. Ref. Data 28 1713-852
15. Audi G and Wapstra A H 1993 The 1993 atomic mass evaluation Nucl. Phys. A 565 1-65
16. Gläser M 1991 Proposal for a novel method of precisely determining the atomic mass unit by the accumulation of ions Rev. Sci. Instrum. 62 2493-4
17. Gläser M A Future redefinition of the kilogram and the experiment for a redetermination of the atomic mass unit Mass and its Measurement, Proc. Int. Cong. (Modena, Sept. 1993, 1995) pp 99-107 ISBN 88-8091-222-4
18. Gläser M 2000 Work on a new definition of the unit of mass Comprehensive Mass Metrology ed M Kochsiek and M Gläser (Weinheim: Wiley-VCH) pp 80-116
19. Ratschko D, Knolle D, Finke E and Gläser M 2002 Accumulation of decelerated gold ions Nucl. Instrum. Methods B 190 217-21
20. Gläser M, Ratschko D and Knolle D 1995 Accumulation of ions-an independent method for monitoring the stability of the kilogram State of the Art in Force and Mass Measurement, Proc. 14th Int. Conf. (POLSPAR, Warszawa, Poland, Sept. 1995) pp 7-12
21. Quinn T J 1992 The beam balance as an instrument for very precise weighing Meas. Sci. Technol. 3 141-59
22. Debler E, Finke E, Gläser M, Knolle D and Ratschko D 2001 Experiment Ionenakkumulation, Laborbericht PTB-1, 11-2001-1, Braunschweig
23. + high current source for heavy ion driven plasma generators Rev. Sci. Instrum. 73 1033-5
24. CRC Handbook of Chemistry and Physics 1997-1998 vol 78 (New York: CRC)
25. + beams extracted from a cold or hot reflex ion source (CHORDIS) Nucl. Instrum. Methods Phys. Res. B 119 549-54
26. + ionenstrahlen für das experiment ionenakkumulation Doctoral Thesis University of Osnabrürk, PTB-MA-59, Braunschweig
27. Knolle D, Ratschko D and Gläser M 1996 A segmented Faraday cup for two-dimensional representation of the current distribution of an ion beam Rev. Sci. Instrum. 67 3082-4
28. Hayward W and Wolter A 1969 Sputtering yield measurements with low-energy metal ion beams J. Appl. Phys. 40 2911-16
29. Bay H L, Anderson H H, Hofer W O and Nielsen O 1976 The energy dependence of gold selfsputtering Nucl. Instrum. Methods 132 301-5
30. Kenny M J, De Bièvre P and Picard A 2003 A web based database of information relating to the evaluation of the Avogadro constant using the XRCD method IEEE Trans. Instrum. Meas. at press