Materials Literature
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The refractive indices of GaAs at room temperature were determined from accurate double-beam reflectance measurements. The uncertainty in the refractive indices obtained by this technique is ±0.005. Measurements were made on high-purity n -type samples, n -type samples with free-electron concentrations from 5×1016 to…
Magnetic domain observations have been used to clarify the relationship between metallurgical structure and the core loss, permeability, and magnetostriction of grain-oriented 3% Si-Fe. Both the prediction of domain structures based on anisotropy, magnetostatics, stress, etc., and the various methods of making domain…
D P Woodruff London: Cambridge University Press 1973 pp viii + 182 price £3.30 The behaviour of a solid–liquid interface is important to metallurgists and crystal growers. There are three approaches.
The melting phenomena of aqueous polymer solutions and gels have been investigated by differential scanning calorimetry (DSC). The polymers used were synthetic polyacrylamide and poly(vinyl alcohol) samples as well as guar and xanthan gums. By using an empirical relation, the energy measured from the area under the me…
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In order to assist the microwave engineer in predicting the performance of partially magnetized devices, we have characterized the microwave permeability of partially magnetized materials. The real part of the tensor permeability elements, /spl mu/, /spl kappa/, and /spl mu//sub z/, depends primarily on the parameters…
The light-scattering spectra of magnetite (${\mathrm{Fe}}_{3}$${\mathrm{O}}_{4}$) have been studied as a function of temperature in an attempt to determine the role played by optical phonons in the Verwey transition. A group-theoretical analysis of the long-wavelength phonons is used to classify the normal modes in bo…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSurface and colloid chemistry of claysS. Lee Swartzen-Allen and Egon MatijevicCite this: Chem. Rev. 1974, 74, 3, 385–400Publication Date (Print):June 1, 1974Publication History Published online1 May 2002Published inissue 1 June 1974https://pubs.acs.org/doi/10.1021/cr60289a00…
The role of silver and sulfadiazine in the mechanism of action of silver sulfadiazine on burn wound infections was investigated. Silver, but not sulfadiazine, was bound by bacteria. Sulfadiazine did not act as an antibacterial agent in low concentrations, but exhibited specific synergism in combination with subinhibit…
A conceptual model of the capillary hysteresis phenomenon is suggested. The advantage of this model is that all scanning curves are derived with the aid of simple functions from the main drying curve and the main wetting curves solely. Like the generalized approach of Enderby (1955) the present model takes into accoun…
In R-Fe compounds, the magnetic properties are mainly determined by the Fe-Fe interatomic distances and the number of Fe nearest neighbors. Below the ordering temperatures, the R2Fe17compounds are generally ferromagnetic or ferrimagnetic colinear. The compounds with rare earth ions of small atomic radii, Ce2Fe17, Tm2F…