Optical basicity
WebApr 15, 2007 · This relationship presents a general trend toward an increase in the oxide ion polarizability with increase in optical basicity. The Λ values estimated from α O 2-using Eq. (6) are given in Table 1 (columns 9–10). Large α O 2-(n) values over 2 Å 3 and large Λ values over 1.0 are obtained. That is, the rare earth oxides showing electronic polarizability … 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.
Optical basicity
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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 … WebNov 28, 2024 · The experimental results show that LS significantly increases with the increase of temperature, basicity, and Na2O content, whereas it decreases with the …
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 … WebApr 28, 2024 · The optical basicity follows the same trend as the electronic polarizability, which can be attributed to the more acidic nature of P 2 O 3 compared with TiO 2. Moreover, the decrease of the optical basicity with increasing TiO 2 content supports the low ability of TiO 2 compared with P 2 O 5 to transfer electrons to the surrounding cations.
WebFeb 13, 2024 · However, whilst optical basicity can provide useful empirical correlations (e.g. sulphide capacity of ladle slags ), these values have not been successfully linked to … WebMar 13, 2024 · A brief study on optical and mechanical properties of an organic material: Urea glutaric acid (2/1)-a third order nonlinear optical single crystal. Crystals 2024, 11, 1239. [Google Scholar] Dimitrov, V.; Sakka, S. Electronic oxide polarizability and optical basicity of simple oxides. J. Appl. Phys. 1996, 79, 1736–1740.
WebMar 16, 2024 · Transmetalation is accompanied by relevant optical absorption changes and quenching of the fluorescence emission, leading to high selectivity and sensitivity of the chemosensor, with the advantage of not requiring any sample pretreatment or pH adjustment. ... Transmetalation is strongly influenced from the Lewis basicity of the …
WebThe optical basicity of the manufactured glass samples is increased from 0.577 to 0.862, which is a significant improvement. As the quantity of oxygen atoms in the produced glass samples diminishes, the oxygen packing density varies between 102.978 and 78.351, depending on the sample size. The energy of the optical band gap ranges between 3.878 ... raytheon technologies pension service centerWebFinding a parameter of the same type for solid oxides was not so easy. Modern theories of reactivity propose to consider the oxidizing power, acidity, basicity, and reducing power, as steps along a same continuum, instead of distinct phenomena [3]. Among parameters, Zhang’s scale of electronegativity [4], optical electronegativity and optical ... raytheon technologies pension planWebOct 5, 2009 · The results showed that an increase of the calculated optical basicity was related to an increased number of bubbles in the glass samples. The oxygen activity in the melt during fining decreased with increased optical basicity. Document Type: Research Article. Publication date: 01 October 2009. raytheon technologies phoenixWebOct 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 ), simply michmichWebRefractivity 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 … raytheon technologies po box 7000WebApr 12, 2024 · The present research provided excellent dispersion of a thin film composite membrane with high power density, excellent long-term performance stability, and good mechanical durability for salinity gradient energy generation. Sulfonated polymers and graphene nanosheets provide an essential platform for the development cost-effective … raytheon technologies philippinesWebAug 13, 2002 · The acid−base properties of germanate glasses cannot presently be compared quantitatively with those of silicate, borate, and several other glasses because the optical basicity of the parent oxide, Λ(GeO2), has not yet been unequivocally established. The usual method of measuring optical basicity, relying on probe ions such as Tl+ or … raytheon technologies phone number