Edyta Beyer
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View article: Scattering makes a difference in circular dichroic angle-resolved photoemission
Scattering makes a difference in circular dichroic angle-resolved photoemission Open
Recent years have witnessed a steady progress towards blending 2D quantum materials into technology, with future applications often rooted in the electronic structure. Since crossings and inversions of electronic bands with different orbit…
View article: Correction to: SOLARIS National Synchrotron Radiation Centre in Krakow, Poland
Correction to: SOLARIS National Synchrotron Radiation Centre in Krakow, Poland Open
View article: Development of a combined XRF/XPS surface-analysis system for the surface-layer quantification of 28Si spheres
Development of a combined XRF/XPS surface-analysis system for the surface-layer quantification of 28Si spheres Open
To achieve a new kilogram definition using the X-ray crystal density method, the Center for Measurement Standards, Industrial Technology Research Institute in Taiwan has established the combined XRF (X-ray fluorescence)/XPS (X-ray photoele…
View article: Investigation of the repeatability of a cleaning method for silicon spheres by gravimetric measurements
Investigation of the repeatability of a cleaning method for silicon spheres by gravimetric measurements Open
After a short description of the metrological relevance of silicon spheres and the applied cleaning method, mass measurements of silicon spheres in vacuum and the evaluation of the results are outlined. The results show that the mass of si…
View article: Investigation of a cleaning procedure for silicon spheres used in the realization and dissemination of the redefined kilogram via combined spectroscopic and gravimetric measurements
Investigation of a cleaning procedure for silicon spheres used in the realization and dissemination of the redefined kilogram via combined spectroscopic and gravimetric measurements Open
The new definition of the SI kilogram requires new methods of realizing this unit. The X-ray crystal density method is a primary realization method and uses silicon spheres. The spheres get cleaned before each measurement, in order to remo…
View article: A new<sup>28</sup>Si single crystal: counting the atoms for the new kilogram definition
A new<sup>28</sup>Si single crystal: counting the atoms for the new kilogram definition Open
A new single crystal from isotopically enriched silicon was used to determine the Avogadro constant NA by the x-ray-crystal density method. The new crystal, named Si28-23Pr11, has a higher enrichment than the former 'AVO28' crystal allowin…
View article: Surface analysis by XRF and XPS for the Avogadro constant and the realization of the kilogram based on silicon spheres
Surface analysis by XRF and XPS for the Avogadro constant and the realization of the kilogram based on silicon spheres Open
The determination of the Avogadro constant for the redefinition of the SI unit kilogram as well as the eventual realization of the kilogram by monocrystalline enriched 28Si-spheres require a reliable surface analysis on silicon spheres. A …