Surface layer impurities on silicon spheres used in determination of the Avogadro constant

1999 ◽  
Vol 48 (2) ◽  
pp. 233-237 ◽  
Author(s):  
M.J. Kenny ◽  
R.P. Netterfield ◽  
L.S. Wielunski ◽  
D. Beaglehole
Keyword(s):  
Surface Layer ◽  
Avogadro Constant ◽  
Silicon Spheres

Quantitative surface characterization of silicon spheres by combined XRF and XPS analysis for the determination of the Avogadro constant

Metrologia ◽  
2017 ◽  
Vol 54 (5) ◽  
pp. 653-662 ◽  
Author(s):  
Matthias Müller ◽  
Burkhard Beckhoff ◽  
Edyta Beyer ◽  
Erik Darlatt ◽  
Rolf Fliegauf ◽  
...  
Keyword(s):  
Surface Characterization ◽  
Xps Analysis ◽  
Avogadro Constant ◽  
Silicon Spheres

scholarly journals Volume Measurement of a 28Si-Enriched Sphere for a Determination of the Avogadro Constant at NMIJ

2019 ◽  
Vol 68 (6) ◽  
pp. 1913-1920 ◽  
Author(s):  
Naoki Kuramoto ◽  
Lulu Zhang ◽  
Kazuaki Fujita ◽  
Sho Okubo ◽  
Hajime Inaba ◽  
...  
Keyword(s):  
Volume Measurement ◽  
Avogadro Constant

Volume measurements of28Si-enriched spheres using an improved optical interferometer for the determination of the Avogadro constant

Metrologia ◽  
2017 ◽  
Vol 54 (2) ◽  
pp. 193-203 ◽  
Author(s):  
Naoki Kuramoto ◽  
Yasushi Azuma ◽  
Hajime Inaba ◽  
Kenichi Fujii
Keyword(s):  
Optical Interferometer ◽  
Avogadro Constant ◽  
Volume Measurements

Determination of Permeability Properties of Concrete Surface Modified by CPF

2015 ◽  
Vol 732 ◽  
pp. 389-392 ◽  
Author(s):  
Pavel Reiterman
Keyword(s):  
Surface Layer ◽  
Water Transport ◽  
Concrete Surface ◽  
Experimental Results ◽  
Experimental Program ◽  
Functional Characteristics ◽  
Concrete Permeability ◽  
Surface Modified ◽  
Durability Of Concrete

The paper introduces an experimental program focused on the monitoring of water transport in surface layer of concrete aimed at monitoring the permeability of concrete, since concrete permeability is a property uniquely affecting durability of concrete. Introduced methods are complemented by experimental results and other traditional tests. These findings will serve to further optimization of the structure being created, thus ensuring its better aesthetic and functional characteristics.

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