very smooth thin films of iridium have been deposited on super polished fused silica (sio2) substrates using dc magnetron sputtering in argon plasma. the influence of deposition process parameters on film micro roughness has been investigated. in addition, film optical constants have been determined using variable angle spectroscopic ellipsometery, over the spectra range from vacuum ultraviolet...

We present Spitzer Infrared Spectrograph (IRS) observations of eleven intermediate polars (IPs). Spectra covering the wavelength range from 5.2 to 14 μm are presented for all eleven objects, and longer wavelength spectra are presented for three objects (AE Aqr, EX Hya, and V1223 Sgr). We also present new, moderate resolution (R ∼ 2000) near-infrared spectra for five of the program objects. We f...

a simple method has been employed to synthesize copper and copper oxide nanoparticles from copper (ii) succinate precursor by thermal decomposition method using oleylamine as a capping agent. the particles synthesized with oleylamine and triphenylphosphine were well dispersed nanoparticles obtained from x-ray diffraction (xrd). the synthesized copper nanoparticles were characterized by uv-visib...

We report experimental infrared spectra of neutral metal clusters in the gas phase. Multiple photon dissociation of the argon complexes of niobium clusters is used to obtain vibrational spectra in the 80-400 cm(-1) region. The observed spectra for Nb(9)Ar(n) (n=1-4) are different for different values of n. This is explained by the presence of two isomers of Nb(9) that have different affinities ...

Genetic evaluation of dairy animals requires rather large datasets, possibly larger than what is feasible to observe directly through chemical analyses for milk composition and quality traits because they are costly and time consuming. An alternative and more convenient method – use of infrared (IR) spectra – has been proposed (Goulden, 1964). Fourier transformed Infrared (FTIR) spectrometry is...

infrared spectra of some deuterio analogues of carboxylic acids in heavy water have been investigated and their spectral behavior in carbonyl stretching frequency region have been interpreted in terms of their structural behavior in aqueous solutions. it has been shown that a linear relationship exists between carbonyl stretching frequency of solvated acids at infinite dilution and their pk s .

The IR and NMR spectra were coupled with quantum chemical calculations in DFT approach usingthe hybrid B3LYP exchange-correlation functional to confirm the structure of 2-methoxycarbonyl-7-methyl-1,3-thiazino[3,2-b][1,2,4]triazine-4,8-dione 2d.