Thioethylpyrrole monolayers on gold. A spectroscopic study in ultrahigh vacuum

Article Abstract:

A study was conducted to analyze the adsorption of 3-(2-thioethyl)pyrrole and 1-(2-thioethyl)pyrrole on gold in ultrahigh vacuum using infrared reflection absorption spectroscopy. The SCIENTA ESCA 300 spectrometer was utilized to carry out the x-ray photoelectron spectroscopy experiments. Wealy doped 20x20 mm (100)-silicon wafers were utilized as substrates. In addition, monolayers were prepared by immersing gold substrates in a 10 mM ethanol solution.

Research, Usage, Spectrum analysis, Spectroscopy, Semiconductor wafers, Monomolecular films, Gold, Silicon

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Temperature-induced collapse of alkaline earth cation-polyacrylate anion complexes

Article Abstract:

The impact of temperature on the structural changes of dissolved polyacrylate chains decorated with alkaline earth cations is examined. The results have shown that the coils can be reversibly collapsed and extended by increasing and decreasing the temperature, respectively.

Acrylic Resins, Thermal properties, Structure, Alkaline earth metals

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Inverse temperature dependence of strain hardening in ultrahigh molecular weight polyethylene: role of lamellar coupling and entanglement density

Article Abstract:

Ultrahigh molecular weight polyethylene (UHMWPE) and its counterpart irradiated by an electron beam are used for investigating the role of lamellar coupling and entanglement density. The strain-hardening effects in semicrystalline polymers are determined.

Polyethylene, High Density, Analysis, Observations, Stress-strain curves, Crystalline polymers, Temperature effects, High density polyethylene

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