Soil visible-near-infrared reflection (Vis-NIR; 350 to 2500 nm) spectra is a comprehensive reflection of various soil physical and chemical properties, resulting in significant differences of hyperspectral characteristics and diversity of soil property prediction models. Calcium carbonate regulates several ...
We have recently demonstrated that laser- induced material removal in calcium carbonate occurs with high efficiency when irradiating with a free-electron laser at the fundamental asymmetric stretch mode of the carbonate group near 7 micrometers ; related studies show that the same thing is true in ...
Our understanding of calcium carbonate biomineralization in plants is likely to increase in the near future by using methods like Infrared and Raman spectroscopy and thermal analyses (Table 1). Cystolith development within a lithocyst in the epidermal cell layer may represent an ideal cellular model...
Synchronous \\{ATR\\} infrared and NIR-spectroscopy investigation of sepiolite upon drying Abstract A new environmental cell allowing for the independent synchronous collection of the near- and mid-infrared spectra (12,000–600 cm−1) in the... Vanessa Jane Bukas and Maria Tsampodimou and Vas...
Infrared spectra of amor- phous and crystalline calcium carbonate. Acta Chem. Scand. 45, 1018-1024.Andersen F A and Breecevic L.Infrared spectra of amorphous and crystalline calcium carbonate. Acta Chemica Scandinavica . 1991Andersen F A,Bre(c)evic L. Infrared spectra of amorphous and ...
Calcium carbonate was precipitated in the presence of the soluble anionic block copolymers PSS, PSS-MA and PS-MA. Two precipitation methods were used, such that CaCO3was precipitated using either the ammonium carbonate diffusion method or by a double decomposition method (precipitation from a metasta...
(λ = 0.15406 nm). A scanning rate of 0.05 deg s–1was applied to record the pattern in the 2θrange of 20–70°. The Fourier transform infrared (FT-IR) spectra were recorded on a FTS-40 FT-IR spectrometer in the wavenumber range of 4000–400 cm−1.The spectra ...
The specific absorption peaks at specific wavelengths were analyzed by ultraviolet − visible − near infrared (UV − Vis − NIR) spectrometer, which was obtained from a PerkinElmer Lamda instrument (PerkinElmer, Waltham, USA), and the concentration was diluted until a suitable height peak ...
Nowadays, not only the emission of light in a fixed range (Ultraviolet, (UV), to Near Infrared Region, (NIR)) is required, but also the capability of materials to act as an optical storage is needed. These materials should emit after the removal of the activation light source. A wide ...
The mixed halide perovskite has good spectral response over the visible and near-infrared spectrum compared to the pure halide, CH3NH3PbI3 perovskite. It is interesting to note that the perovskite layer can function both as a light absorber as well as n-type semiconductor for transporting ...