Materials Literature
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Crystallographic notation for Al 2 O 3 is reviewed, with particular reference to the correct basis to be used in describing slip systems. A Groves‐and‐Kelly calculation showed that the combination of pyramidal slip on {11¯02}<11¯01> and basal slip on (0001){112¯0} will allow homogeneous deformation of Al 2 O 3 p…
In vacuum, the surface of insulators becomes electrically charged when subjected to high-voltage stresses. The charging mechanism is described. A model simulating the charging shows that the surface charge densities are proportional to the applied voltage and depend on the secondary electron emission of the dielectric…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNew series of anhydrous double nitrate salts of the lanthanides. Structural and spectral characterizationW. T. Carnall, S. Siegel, J. R. Ferraro, B. Tani, and E. GebertCite this: Inorg. Chem. 1973, 12, 3, 560–564Publication Date (Print):March 1, 1973Publication History Publi…
This paper presents the results of our measurement of the room-temperature thermal conductivity of the Ga1−xAlxAs alloy system. The study was motivated by our need to characterize the thermal properties of cw heterostructure lasers, in which the heat generated in the optically active layer must flow through a substant…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOrder-related properties of some nematic liquidsI. Haller, H. A. Huggins, H. R. Lilienthal, and T. R. McGuireCite this: J. Phys. Chem. 1973, 77, 7, 950–954Publication Date (Print):March 1, 1973Publication History Published online1 May 2002Published inissue 1 March 1973https:…
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This paper presents methods for incorporating crystallographic symmetry properties into complex Fourier transforms in a form particularly well suited for use with the Cooley-Tukey fast Fourier transform algorithm. The crystallographic transforms are expressed in terms of a small number of one-dimensional special cases…
D V Morgan and M J Howes London: Wykeham Publications 1972 pp xii + 190 price £2·25 This book aims to give a qualitative understanding of the basic principles of operation of the most important solid state devices. It is written for first year undergraduate students and has the great merit of being readable and of hav…
Abstract In magnetic fields up to 50 kOe and for photon energies greater than the band gaps for light polarized with E ⊥ c and E ‖ c oscillatory changes of reflectivity are observed on ZnO‐crystals at helium temperatures. The anisotropic reduced masses and hole masses and the energy gaps are deduced from the shift of…