Search Results - "Giardini, W."

Density of a Single-Crystal Natural Silicon Sphere by Giardini, W., Manson, P., Wouters, M., Warrington, B., Ward, B., Bignell, N., Walsh, C., Jaatinen, E., Kenny, M.

“…The density of a single-crystal natural silicon sphere identified as ldquoAvo#3rdquo has been redetermined at the National Measurement Institute, Australia…”
Get full text

Diameter comparison of a silicon sphere for the International Avogadro Coordination project by Kuramoto, N, Fujii, K, Nicolaus, A, Bartl, G, Gray, M, Manson, P, Giardini, W

“…In the International Avogadro Coordination (IAC) Project using the x-ray crystal density method, volume measurements of silicon spheres by optical…”
Get full text

Developments in Australia's surface roughness measurement system by Baker, A.J, Giardini, W.J

“…Roughness standards in Australia are established, maintained and disseminated by the Melbourne Branch of the National Measurement Laboratory (NML),…”
Get full text

Absolute measurement of the density of silicon crystals in vacuo for a determination of the Avogadro constant by Fujii, K., Tanaka, M., Nezu, Y., Sakuma, A., Leistner, A., Giardini, W.

“…An absolute measurement of the density of silicon crystals used for a determination of Avogadro constant is described. Two 1-kg spheres of nearly perfect…”
Get full text

Precision determination of the density of a single crystal silicon sphere and evaluation of the Avogadro constant by Kenny, M.J., Leistner, A.J., Walsh, C.J., Fen, K., Giardini, W.J., Wielunski, L.S., Netterfield, R.P., Ward, B.R.

“…Density measurements with relative uncertainty of 1/spl times/10/sup -7/ have been made on a highly polished 1-kg single crystal silicon sphere with…”
Get full text

The influence of Young's modulus on roundness in silicon sphere fabrication [Avogadro constant] by Collins, J.G., Giardini, W.J., Leistner, A.J., Kenny, M.J.

“…Silicon single-crystal spheres for use in accurate determination of the Avogadro constant are fabricated by optical grinding and polishing. Surface profiling…”
Get full text

The molar volume of silicon [Avogadro constant] by De Bievre, P., Valkiers, S., Gonfiantini, R., Taylor, P.D.P., Bettin, H., Spieweck, F., Peuto, A., Pettorruso, S., Mosca, M., Fujii, K., Tanaka, M., Nezu, Y., Leistner, A.J., Giardini, W.J.

“…A reevaluation has been made of the density and molar mass data for the silicon single crystals used in three Avogadro projects in which the authors'…”
Get full text

Determination of the Avogadro constant from precision density measurements on a silicon sphere by Kenny, M.J., Walsh, C.J., Leistner, A.J., Fen, K., Giardini, W.J., Wielunski, L.S., Ward, B.R.

“…Density measurements with relative uncertainty of 1/spl times/10/sup -7/ have been made on a highly polished 1 kg single crystal silicon sphere. The molar…”
Get full text

Density of a single crystal natural silicon sphere by Giardini, W., Manson, P., Wouters, M., Warrington, B., Ward, B., Walsh, C., Jaatinen, E., Kenny, M.

“…The density of the single crystal natural silicon sphere Avo#3 has been re-determined at the National Measurement Institute, Australia (NMIA) as part of an…”
Get full text

Status of the international effort on the x-ray crystal density work and its progress towards a measurement of the Avogadro constant by Fujii, K., Waseda, A., Kuramoto, N., Becker, P., Nicolaus, A., Krumrey, M., Danzebrink, H.-U., Busch, I., Bettin, H., Mana, G., Massa, E., Valkiers, S., Giardini, W., Kessler, E., Dowries, S., Picard, A., Riemann, H.

“…The present status of an international attempt of several national metrology institutes to determine the Avogadro constant with a relative standard uncertainty…”
Get full text

The influence of Young' s modulus on roundness in silicon spherefabrication Avogadro constant by Collins, J G, Giardini, W J, Leistner, A J, Kenny, M J

“…Silicon single-crystal spheres for use in accurate determination of the Avogadro constant are fabricated by optical grinding and polishing. Surface profiling…”
Get full text

The molar volume of silicon Avogadro constant by De Bievre, P, Valkiers, S, Gonfiantini, R, Taylor, P D P, Bettin, H, Spieweck, F, Peuto, A, Pettorruso, S, Mosca, M, Fujii, K, Tanaka, M, Nezu, Y, Leistner, A J, Giardini, W J

“…A reevaluation has been made of the density and molar mass data for the silicon single crystals used in three Avogadro projects in which the authors'…”
Get full text

Absolute measurements of the densities of silicon crystals in vacuum for a determination of the Avogadro constant by Fujii, K., Tanaka, M., Nezu, Y., Sakuma, A., Leistner, A., Giardini, W.

“…Absolute measurements of the densities of 1-kg single-crystal silicon spheres have been performed for a determination of the Avogadro constant. A scanning type…”
Get full text