Optical basicity
WebAug 1, 2024 · Optical bandgap energy, refractive index, molar polarizability, molar electronic polarizability, electronic polarizability, and bandgap based oxide ion polarizabilities, optical basicity, electric susceptibility, and other important parameter were reported in this work. WebJan 1, 2024 · The optical basicity of prepared glasses decreased with the increasing concentration of lanthanum oxide. Metallization criterion on the basis of refractive index showed an increasing trend while energy band gap based metallization criterion showed a decreasing trend.
Optical basicity
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WebThe physical, optical, and gamma ray shielding capabilities of the B 2 O 3-Bi 2 O 3-MoO 3 glass system have been evaluated. The optical basicity of the current samples rises from 0.781 to 0.897 with increasing Bi 2 O 3 concentration. The values of refractive index, dielectric constant and optical dielectric constant show uptrend and lies in the range of … For oxides, MO (M = Mg, Ca, Sr, Ba), the basicity moderating parameter of M gover… Arguments are presented justifying the use of fluoride optical basicity values (e.g… The optical basicity trend in alkali borate glasses has been studied in detail [2,13-… The basicity of the oxidic groups AlO 4 5−, SiO 4 4−, PO 4 3−, SO 4 2−, ClO 4 −, ca… The basicity of an oxide glass can be measured experimentally from the frequenc…
WebDec 20, 2024 · Titanium-doped and titanium-free lithium borate glasses were prepared using a quenching method and high-purity-grade chemical substances. Structural analysis was carried out by Fourier transform infrared (FT-IR) spectroscopy and mechanical measurement. The states of the produced glasses were examined by x-ray diffraction, and … WebRefractivity data for aluminosilicate glasses (densities and refractive indices) have been used to examine the relationship between oxygen polarisability, alpha (O2-), and optical basicity, and also to calculate the basicity moderating parameter of …
WebOct 10, 2024 · Optical basicity is identified as the average electron donor power of a fluorinated or oxidic compound ( Herrmann et al., 2015 ). For a glass system consisting of fluorinated and oxidic compounds, the optical basicity can be estimated based on Duffy's empirical formula ( Sontakke and Annapurna, 2012; Zheng et al., 2014; Guo et al., 2024 ), WebJun 25, 2024 · The optical basicity of the glass has been estimated and it has the values from 1.11 to 1.31 with varying vanadium content from zero to 5 mol%. Static dielectric …
WebTo account for selectivity as a general concept that allows the classification of reactions, it would be necessary to have available parameters accounting for a similar type of …
WebJun 25, 2024 · Basicity, polarizability, electronegativity and some physical constants are determined depending on experimental results. Also, the refractive index and optical band gap are calculated depending on the theoretical optical basicity and molar refractivity. reactionary timesWebThe study of polarizability, optical basicity, and electric susceptibility carried out on the new and very rare set of bismuth - tellurite glasses doped with Ho 3+ ions were fabricated by the conventional melt quenching process. The non-crystalline nature was confirmed by X-ray diffractometer measurements. Physical properties such as rare earth ... how to stop chewing on bottle capsWebOptical basicity Λth being a characteristic of bulk oxide, a scale of surface optical basicity, Λsurf is proposed by plotting the XPS O1s binding energy against Λth, which results in a … how to stop chewing my nailsWebIt is shown that optical basicity avoids the confusion that can arise from the use of empirical basicity ratios, particularly with regard to the effect of magnesia, and in addition, facilitates... how to stop chewing my tongueWebApr 12, 2024 · Few reports exist on the effect of the basicity of refining slag on inclusions in 15-5PH stainless steel and its removal efficiency. In this study, the effects of various basicities on the formation and removal efficiency of inclusions in molten steel were investigated. To investigate the effect of the chemical makeup of slag on the non-metallic … reactionary used in a sentenceWebFeb 25, 2002 · The optical basicity for La 2 O 3 oxide is found to be 1.07, being much larger compared with typical glass-forming oxides such as B 2 O 3 (0.42) and SiO 2 (0.48) but being similar to heavy element oxides such as TeO 2 (0.93). how to stop chewing finger skinhow to stop chewing on shirt