Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermal decomposition of oxyhyponitrite (sodium trioxodinitrate(II)) in aqueous solutionFrancis T. Bonner and Baruch RavidCite this: Inorg. Chem. 1975, 14, 3, 558–563Publication Date (Print):March 1, 1975Publication History Published online1 May 2002Published inissue 1 March…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMatrix isolation infrared studies of lithium bondingBruce S. Ault and George C. PimentelCite this: J. Phys. Chem. 1975, 79, 6, 621–626Publication Date (Print):March 1, 1975Publication History Published online1 May 2002Published inissue 1 March 1975https://pubs.acs.org/doi/10…
The growth of microscopic voids during the irradiation of metals is due to the preferential drift of interstitials to dislocations, thus allowing the excess vacancies to accumulate at voids. The preference arises from the stronger interaction between a dislocation and an interstitial than between a dislocation and a v…
Cracks in brittle crystals can be lattice-trapped, as dislocations are by the Peierls barrier. Previous estimates of the range of loads within which a crack will not propagate more than one atomic spacing have varied greatly. The author's earlier computer model is extended to examine the effects of varying the shape o…
The experimental data of Mozzi and Warren have boon re-evaluated. One of the numerical constants in the analytical technique has been altered and a continuous analytical distribution function has boen substituted for the discrete or non-analytical distributions of interatomic distances used by Mozzi and Warren. Thoir…
Single crystals of Sr 2 Ta 2 O 7 and Sr 2 Nb 2 O 7 are grown by a floating zone technique. Strontium tantalate belongs to D 2 h 14 or D 2 h 17 space group at room temperature. Ferroelectric phase transition temperature is -107°C. The Curie-Weiss temperature θ 0 and the Curie constant C P are: θ 0 =161 K(=-112°C) and C…
Measurements of H and D diffusion in TiO2, using the isotope exchange technique described in the preceding paper, are reported. Use of this technique resulted in diffusion which was accurately described by Fick’s law with a constant diffusion coefficient, as predicted theoretically, in sharp contrast to single ion dif…
Equilibrium surface segregation concentrations have been measured for iron-tin alloys over the temperature range 500° to 850°C using Auger electron spectroscopy. The results are compared with the grain boundary segregation measurements reported earlier for these alloys, over the same temperature range, and also with t…
Phillips and Van Vechten have shown that, because of the high valence electron density in diamond type semiconductors, their vacancies may properly be treated as macroscopic cavities. With this model one may estimate the enthalpy of neutral vacancy formation, , as simply the surface energy of the cavity. Values of are…
X-ray diffraction measurements have been made on five nematogens in the nematic and isotropic liquid phases. The data have been interpreted to give information about the molecular packing. Two Schiff's bases R1 [MATH] CH = N [MATH] R2 : MBBA (R1 = CH3O, R2 = nC4H9) and EBBA (R1 = C2H5O, R2 = nC4H9) have very similar s…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPressure-Volume-Temperature Studies of Amorphous and Crystallizable Polymers. I. ExperimentalOlagoke Olabisi and Robert SimhaCite this: Macromolecules 1975, 8, 2, 206–210Publication Date (Print):March 1, 1975Publication History Published online1 May 2002Published inissue 1 M…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTESCA study of sputtered platinum filmsG. Michael. Bancroft, Ian. Adams, Leighton L. Coatsworth, C. David. Bennewitz, James D. Brown, and William D. WestwoodCite this: Anal. Chem. 1975, 47, 3, 586–588Publication Date (Print):March 1, 1975Publication History Published online1…
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