The residual paramagnetism and nuclear magnetic resonance spectra of cobaltic complexes
J. S. Griffith and L. E. Orgel, Trans. Faraday Soc., 1957, 53, 601 DOI: 10.1039/TF9575300601
Materials Literature
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On the Period of Out-of-step of Ordered Alloys with Anti-phase Domain Structure
The period of out-of-step of ordered alloys with anti-phase domain structure, measured in atomic distance, is generally not an integer, in spite of sharp splits of superlattice reflections. This fractional property of the period has theoretically been examined. The general treatment of this problem has shown that a re…
Application of Self-Consistent Molecular Orbital Methods to π-Electrons
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTApplication of Self-Consistent Molecular Orbital Methods to π-ElectronsJ. A. PopleCite this: J. Phys. Chem. 1957, 61, 1, 6–10Publication Date (Print):January 1, 1957Publication History Published online1 May 2002Published inissue 1 January 1957https://pubs.acs.org/doi/10.1021…
Ceramic Properties of Samarium Oxide and Gadolinium Oxide; X‐Ray Studies of Other Rare‐Earth Oxides and Some Compounds
Samarium oxide forms a ceramic of medium strength and density (6.0) when it is fired at 1300°C. When it is fired at 1500°C., its density is increased to 7.4 but it loses its stability toward boiling water. X‐ray data are given concerning the structure of the oxide as received and at 1300°C. and of the reaction product…
Some Unusual Effects of Hydrogen in Corrosion Reactions
Consideration of corrosion in the presence of water has led to the postulation of damage by hydrogen produced in the reaction. For cases where the metal surface is covered with a protective layer, it is considered that some hydrogen ions diffuse through the layer and form hydrogen atoms beneath it. The consequence of…
Magneto-resistance in metals
Experiments are reported in which novel results are found on the magneto-resistance of sodium and rubidium. Measurements have been made both on plate-like specimens which show very strong anisotropy in the magnetic field, and on a cylinder of diameter large comparedwitli the mean free path, ι, of the electrons. The an…
Electrodeposition of Metals from Organic Solutions
The electrodeposition of Mg from ether solutions of such Mg compounds as ( a ) halides, ( b ) aluminohydrides, ( c ) borohydrides, and ( d ) Grignard reagents was investigated. White, metallic deposits containing 90% Mg and 10% B were obtained from an ether solution of and . However, thick deposits could not be built…
Purification and properties of a nerve growth-promoting factor isolated from mouse sarcoma 180.
Summary A heat-labile, nondialyzable factor with nerve growth-promoting properties has been partially purified from Sarcoma 180. The data indicate that the active material is a protein or is bound to a protein and that nucleic acids are not involved in its effectiveness. The factor must be continuously present in the…
The Metallurgy of Zirconium
Abstract not Available.
Electrochemistry of sulphur. Part 1.—Overpotential in the discharge of the sulphide ion
P. L. Allen and A. Hickling, Trans. Faraday Soc., 1957, 53, 1626 DOI: 10.1039/TF9575301626
Low-Pressure Solubility and Diffusion of Hydrogen in Zirconium
Low‐pressure solubilities were determined for H in α‐ and β‐Zr and in two Zr‐O alloys at 700°–1000°C and pressures of 0.1–4 µ Hg. The data followed Sieverts' law for each phase, and H solubility decreased with increasing temperature at a given pressure. Also, there was a slight increase in H solubility in α ‐Zr with i…
SOME STATISTICS ASSOCIATED WITH THE RANDOM DISORIENTATION OF CUBES
A Monte Carlo method is used to estimate the frequency functions of various angles in a random aggregate of cubic crystals. Estimates are made of the frequency function for the angle of disorientation, i.e. the least angle of rotation required to rotate a crystal into the same orientation as a neighbouring crystal, an…
Permeation of Gases through Solids
The permeation process consists of the steps: adsorption, solution, diffusion, and desorption. These are discussed for glasses, polymers, and metals. There are two generalizations: (1) All gases go through all polymers. (2) No rare gas permeates any metal. Criteria are given for measurements of the permeation process.…
Meso-ionic compounds
The first page of this article is displayed as the abstract.
Vacuum Deposition of Thin Films
Abstract not Available.
Saturation magnetization of some ferrimagnetic oxides with hexagonal crystal structures
Anderson's treatment of super-exchange yields a qualitative rule for the dependence of interaction on angle Me—O—Me. Using this rule, and assuming a longer distance to lead to a weaker interaction, low-temperature saturation magnetizations for ferrimagnetic oxides with known crystal structures can often be predic…
Closure to “Discussion of ‘Electrochemical Polarization, 1. A Theoretical Analysis of the Shape of Polarization Curves’ [M. Stern and A. L. Geary (pp. 56–63, Vol. 104)]”
Abstract not Available.
Semiempirical Determination of Mass Absorption Coefficients for the 5 to 50 Angstrom X-Ray Region
A semiempirical method for the determination of mass absorption coefficients for the very soft x-ray region of 5 to 50 A is described. A universal function for the absorption by K-shell electrons and another for absorption by L and extra-L shell electrons are given in table form to permit the calculation of mass absor…
The formation of films on aluminium immersed in water
R. K. Hart, Trans. Faraday Soc., 1957, 53, 1020 DOI: 10.1039/TF9575301020
Electrochemical Polarization
The oxidation‐reduction kinetics of the ferrous‐ferric sulfate system have been measured on a stainless steel surface. The data completely support theoretical equations which describe the potential‐current relationships for such a system. The analysis applies to reversible electrodes and to corroding electrodes where…