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The resistivity, thermoelectric power, and magnetic susceptibility of metallic solid solutions at room temperature are reviewed, and their relation with their electronic structure emphasized. The special properties of transitional impurities are related to the emptying of their d shells.
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El empleo de molino vibrante permite reducir en 50-60ºC la temperatura de cocción, reducir la tendencia al agrietamiento del vidriado y conseguir que éste sea más opaco.
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The magnetic technique of particle size measurement based on the work of Elmore consists of a comparison of a modified Langevin curve with the observed magnetization curve for an appropriate system of ferromagnetic particles. The average magnetic moment per particle is obtained from this analysis, and the average part…
Abstract An investigation has been made of occlusion of O2, A and N2, and of CH4, C2H6, C3H8, n- and iso-C4H10, n-, iso- and neo-C5H12, n-C6H14, n-C7H16, n-C8H18 and iso-C8H18 within the crystal lattice of dehydrated synthetic faujasite (Na2O. Al2O3. 2·67SiO2. mH2O). The three permanent gases are selectively occluded…
Abstract The absorption spectra of eight type I and three type IIa diamonds irradiated with neutrons, electrons or y-rays have been recorded at 80 and 290°K after various heat treatments in the temperature range 0 to 900°C. It is found that heating in the range 350 to 450°C causes a general reduction in the irradiatio…
For the purpose of studying the relation of magnetostriction to technical magnetization, we used a strain gauge to measure the magnetostriction of long rod single crystals of 3.2% Si-Steel, and compared the results with those which had formerly been obtained on the same samples by using a mechano-optical lever. The la…
The experimental data observed by Smith and Rasor in measuring the low-temperature thermal conductivity of several types of graphites are interpreted on the basis of a two-medium theory. The theory assumes that, in the artificial polycrystalline graphites, the nongraphitic regions are isotropic thermal conductors and…
Magnetic properties of complex salts containing paramagnetic ions of transition elements are studied on the crystalline field model. Strong cubic crystalline field splits d -orbital into d γ and d ε , and the magnetism is due to incomplete d ε shells. The crystalline field is assumed to have, besides cubic part, a com…
The determination of crystal structure was performed on the ferromagnetic nickel oxide obtained by the flame fusion method. Apart from a slight deviation of axial angle from 90°, it has a defect tetragonal structure belonging to the space group I 4 1 / amd ( D 4 h 19 ), the lattice constants being a =5.899 6 kX. and c…
The thermal conductivity of various graphites in the temperature interval 10\ifmmode^\circ\else\textdegree\fi{} to 300\ifmmode^\circ\else\textdegree\fi{}K has been determined and the effect of neutron irradiation and bromination investigated. The thermal conductivity of large crystallite natural graphite and of nonpit…
Received 19 September 1956DOI:https://doi.org/10.1103/PhysRev.104.1191©1956 American Physical Society
Manganous sulfide exists in three polymorphic forms. There are two cubic modifications, $\ensuremath{\alpha}$-MnS having the rock salt structure and $\ensuremath{\beta}$-MnS with the zinc blende structure. The third form is hexagonal $\ensuremath{\beta}$-MnS with the wurtzite structure. The magnetic susceptibilities o…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMagnesium PolymetaphosphateR. Pfanstiel and R. K. IlerCite this: J. Am. Chem. Soc. 1956, 78, 21, 5510–5511Publication Date (Print):November 1, 1956Publication History Published online1 May 2002Published inissue 1 November 1956https://pubs.acs.org/doi/10.1021/ja01602a014https…