scholarly journals The [557]-X2Σ+ and [561]-X2Σ+ bands of ytterbium fluoride, 174YbF

2017 ◽  
Vol 338 ◽  
pp. 81-90 ◽  
Author(s):  
Jongseok Lim ◽  
James R. Almond ◽  
M.R. Tarbutt ◽  
Duc Trung Nguyen ◽  
Timothy C. Steimle
Keyword(s):  
Ytterbium Fluoride

Frustrated Magnetism in a 2-D Ytterbium Fluoride

2019 ◽  
Vol 58 (18) ◽  
pp. 12152-12156 ◽  
Author(s):  
Ningxin Jiang ◽  
Henry S. La Pierre
Keyword(s):  
Frustrated Magnetism ◽  
Ytterbium Fluoride

Fluoride Release from Composite Materials for Dental Fillings

2008 ◽  
Vol 144 ◽  
pp. 27-32
Author(s):  
Joanna Mystkowska
Keyword(s):  
Composite Materials ◽  
Phosphate Buffer ◽  
Fluoride Release ◽  
Selective Electrode ◽  
Direct Potentiometry ◽  
Dental Fillings ◽  
Powder Filler ◽  
Fluoride Emission ◽  
Wear Tests ◽  
Ytterbium Fluoride

Fluoride release from composite materials for dental fillings depending on the type of powder filler and dynamical loading is the main problem considered in the paper. The fillers used for research were fluoridated glass (based on Ba-Sr-Al-P-Na-silicate glass), ytterbium fluoride (YbF3) as a fluoride source and nanosilica. In order to estimate the influence of the usage loading value on fluoride release from analyzed samples, the wear tests were carried out by means of special tribotester in presence of phosphate buffer as a lubricant. After friction processes the fluoride release tests were performed in phosphate buffer using direct potentiometry method with fluoride selective electrode. The fluoride emission was analyzed on the basis of: 1) type and amount of fillers powder, 2) using loading. Surface roughness was also investigated. The surface of each composite was analyzed by means of SEM.

Mechanical and Physicochemical Properties of Some Originally Made Composite Materials for Dental Fillings

2010 ◽  
Vol 165 ◽  
pp. 142-146
Author(s):  
Joanna Mystkowska ◽  
Gabriel Rokicki ◽  
Jarosław Sidun ◽  
Jan Ryszard Dąbrowski
Keyword(s):  
Compressive Strength ◽  
Composite Materials ◽  
Physicochemical Properties ◽  
Water Sorption ◽  
Mechanical Characteristics ◽  
Ion Source ◽  
Fluoride Ion ◽  
Strontium Fluoride ◽  
Dental Fillings ◽  
Ytterbium Fluoride

This work presents results of research on compressive strength, microhardness, polymerization shrinkage and water sorption of some specially developed composite materials for dental fillings. The investigated powder fillers were divided into two groups: fluorine-based fillers, such as fluoridated glass, strontium fluoride, ytterbium fluoride and additives of improved mechanical characteristics such as nanosilica and polyethylene. The influence of fluoride ion source on the properties of the composite materials was evaluated. Tests were performed just after the material polymerization and, additionally, after seven, thirty and sixty days. Some small differences between composites were observed.

scholarly journals Electronic spectra of ytterbium fluoride from relativistic electronic structure calculations

2021 ◽  
Author(s):  
Johann V. Pototschnig ◽  
Kenneth G. Dyall ◽  
Lucas Visscher ◽  
André Severo Pereira Gomes
Keyword(s):  
Electronic Structure ◽  
Potential Energy ◽  
Electronic Spectra ◽  
Electronic Structure Calculations ◽  
Potential Energy Curves ◽  
Electronic Structure Methods ◽  
Structure Calculations ◽  
Ytterbium Fluoride

Potential energy curves for the YbF obtained by relativistic electronic structure methods are presented. Due to the difficulties of describing this system separate computations for open and closed f-shells were necessary.

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