4e). The R space spectrum obtained by the Fourier transform (FT) of the extended X-ray absorption fine structure (EXAFS) was also analyzed. The In-O backscattering path at 1.75 Å appeared in Vac samples before and after the reaction, demonstrating the stable retention of the oxide ...
In this paper we present the results of a Fourier self-deconvolution and least-squares analysis of the MIR spectral data for KZn1−xCoxF3. An interpretation is given in terms of low-lying electronic transitions within the 4T1g(4F) ground manifold of Co2+ ions and their vibronics. We ...
a) the equations inUnderstanding Atmospheric Radiation and the “Greenhouse” Effect – Part Six – The Equations – the equations of radiative transfer including the plane parallel assumption, and b) the effect of temperature and pressure on line shape explained inVisualizing Atmospheric Radiation – ...
The CO2 effect saturates in the lower atmosphere. That means for a fixed source of IR, CO2 can’t absorb any more IR no matter how much more CO2 is added. The problem with that is the earth is not a fixed source of IR. As the planet warms, it radiates more energy that CO2 can ...
Figure 8a (top) shows an IR spectrum of a clean MgO ultrathin film that has been exposed to a saturation dose of CO2 at 220 K. There is one band observed at 1295 cm− 1 [21]. The observed frequency would be consistent with both carbonate, i.e. CO2 adsorbed on top of lattice...
The one-dimensional 1H spectrum was measured using a solvent presaturation method to suppress the water peak71. During the high-performance liquid chromatography (HPLC) measurements, 5 mM sulfuric acid eluent was used with a flow rate of 0.5 ml min−1 and the column temperature was ...
After the collection of the background spectrum, the mixed gas of 2% CO2/Ar was introduced into the chamber. Continuous recording of the IR profiles was maintained for 3 min. All DRIFTS results were analyzed by using OPUS software. Activity evaluation and kinetics measurement A fixed-bed ...
In addition, if the presumed doped oxide consists of metallic Ru clusters, the IR spectrum of the surface exposed to CO would have absorption peaks typical of CO adsorbed on Ru, and we do not observe this. It is possible that during the preparation by the combustion method, the Ru atoms ...
the *CO peak intensity in the Cu HS spectrum increased rapidly as the applied potentials became more negative, and it surpassed the intensity observed in the La-Cu HS spectrum within the applied potential range of −1.1 to −1.3 V. Meanwhile, the appearance of *OCCO peak at 1594 ...
The attenuated total reflectance infrared (ATR-IR) spectrum (FIG. 24B) shows the large water signature at about 3300 cm−1.Drying uGil-900-H2O at 110° C. and atmospheric pressure for 30 minutes removes residual water from the surface of the porous materials to yield solid uGil-900H2O ...