(C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 119: 1986-1991, 2011″
“The broadband microstrip ferromagnetic resonance (FMR), cavity FMR, and Brillouin light scattering spectroscopy techniques have been applied for detection and characterization of a magnetic inhomogeneity in a film sample. In the case of a 100 nm thick permalloy film, an additional magnetically depleted top sublayer has been detected due to pinning effect VX-680 it produces on the magnetization in the bulk of the film.

The pinning results in appearance of an exchange standing spin wave mode in the broadband FMR absorption spectrum, whose amplitudes are different depending on whether the film or the film substrate faces the microstrip transducer. Comparison of the experimental amplitudes for this mode with results of our theory for both film placements revealed that the depleted layer is located at the film surface facing away from the film substrate. Subsequent broadband FMR characterization

of a large number of other presumably single-layer films with thicknesses in the range 30-100 nm showed the same result. (C) 2010 American Institute of Physics. [doi:10.1063/1.3493242]“
“The aggregate structure of phthalic anhydride (PA) modified soy protein isolate (SPI) was investigated by estimating its fractal dimension from the equilibrated dynamic strain sweep experiments. The estimated fractal dimensions

of the filler aggregates were less than 2, indicating that these particle aggregates have a distorted or broken two-dimensional sheet-like structure. The results BVD-523 cell line also indicated that the aggregate structure has a greater effect on the composite reinforcement than the overall aggregate size. Tensile strength, elongation, Young’s modulus, and toughness of hydrolyzed/modified soy composites are comparable with those of carbon black reinforced composites at 10-15% filler fraction. The moduli of PA-modified SPI composites were less sensitive to the pH of the composite preparation compared to the unmodified SPI. The composites prepared at acidic pH, with lower filler fraction, or filled with hydrolyzed/modified SPI are more elastic and less fatigue. The composites of PA-modified SPI had better recovery BMS-345541 manufacturer properties when prepared at acidic instead of alkali pH. PA-modified hydrolyzed SPI composites prepared at acidic pH showed a similar recovery property to that of carbon black reinforced composites, but with greater shear elastic moduli. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 119: 1992-2001, 2011″
“The variable stripe-length method is considered a powerful yet easily implemented approach to measure the optical material gain of a semiconductor sample. However, the results obtained with this method are not as straightforward to interpret as originally suggested.