In 2011, a discrepancy between the values of the Planck constant measured by counting Si atoms and by comparing mechanical and electrical powers prompted a review, among others, of the measurement of the spacing of Si-28 {220} lattice planes, either to confirm the measured value and its uncertainty or to identify errors. This exercise confirmed the result of the previous measurement and yields the additional value d(220) = 192 014 711.98(34) am having a reduced uncertainty. (C) 2015 AIP Publishing LLC.
A More Accurate Measurement of the Si-28 Lattice Parameter / Massa, Enrico; Sasso, CARLO PAOLO; Mana, Giovanni; Palmisano, C.. - In: JOURNAL OF PHYSICAL AND CHEMICAL REFERENCE DATA. - ISSN 0047-2689. - 44:3(2015), p. 031208. [10.1063/1.4917488]
A More Accurate Measurement of the Si-28 Lattice Parameter
MASSA, ENRICO
;SASSO, CARLO PAOLO;MANA, GIOVANNI;
2015
Abstract
In 2011, a discrepancy between the values of the Planck constant measured by counting Si atoms and by comparing mechanical and electrical powers prompted a review, among others, of the measurement of the spacing of Si-28 {220} lattice planes, either to confirm the measured value and its uncertainty or to identify errors. This exercise confirmed the result of the previous measurement and yields the additional value d(220) = 192 014 711.98(34) am having a reduced uncertainty. (C) 2015 AIP Publishing LLC.| File | Dimensione | Formato | |
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2015_d220_AIP.pdf
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