Thomson Scattering of Optical Radiation from an Electron Beam
Received 29 November 1962DOI:https://doi.org/10.1103/PhysRevLett.10.89©1963 American Physical Society
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Ranges of Energetic Atoms in Solids
The ranges in solids of atoms having energies from 1 to 100 keV have been calculated using Monte Carlo techniques. The model assumes that the moving atom loses all of its energy through binary elastic collisions with the atoms of the solid. The potential of interaction, principally studied, is an exponentially screene…
The Mass Spectra of Volatile Hydrides. I. The Monoelemental Hydrides of the Group IVB and VB Elements
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Mass Spectra of Volatile Hydrides. I. The Monoelemental Hydrides of the Group IVB and VB ElementsFred E. Saalfeld and Harry J. SvecCite this: Inorg. Chem. 1963, 2, 1, 46–50Publication Date (Print):February 1, 1963Publication History Published online1 May 2002Published in…
Die durchschnittlichen Atomwärmen der AIII Bv-Halbleiter AlSb, GaAs, GaSb, InP, InAs, lnSb und die Atomwärme des Elements Germanium zwischen 12 und 273°K
Es werden die durchschnittlichen Atomwärmen der Verbindungshalbleiter AlSb, GaAs, GaSb, InP, InAs, InSb und die Atomwärmen des Elements Germanium zwischen 10 und 273°K gemessen. Im Verlauf der Debyeschen charakteristischen Temperaturen tritt ein Minimum auf, welches als ein Charakteristikum des Zinkblendegitters gedeu…
The dislocation density, flow stress and stored energy in deformed polycrystalline copper
The relationships between the dislocation density, flow stress and stored energy in polycrystalline copper have been determined experimentally. The stored energy can be predicted from the observed density and distribution of dislocations. The flow stress–stored energy and flow stress–dislocation density relationships…
High-Temperature D.T.A. and X-Ray Diffraction Studies of Reactions
Abstract Several reactions which take place in clay minerals at elevated temperatures were investigated by D.T.A. and continuous high-temperature X-ray diffraction. The combination of these techniques was used to examine the energy changes and phase transformations that occur in kaolinite, halloysite, illite, and mont…
The Thermoelectric Properties of AgSbTe2–AgBiTe2, AgSbTe2–PbTe and–SnTe Systems
Thermoelectric properties of AgSbTe 2 –AgBiTe 2 , AgSbTe 2 –PbTe and –SnTe systems are studied. In these alloys and also in AgSbTe 2 , when prepared by the usual method of zone melting, the thermoelectric power and the electrical conductivity vary along the length of the bar and the mode of the variation strongly depe…
Cell Guidance by Alterations in Monomolecular Films
Monolayers of stearic and behenic acids were transferred to quartz slides by the Blodgett technique. Troughs of different depths were cut into these multilayers (substrata), and additional monolayers were superimposed. When cultured and fresh embryonic cells were grown on these substrata, the cells were entrapped with…
Transformation of Clay Minerals by Calcium Hydroxide Attack
Abstract Calcium hydroxide was allowed to react with various clays, other silicates, and quartz at slightly elevated temperatures for several months. The reaction products were examined by X-ray diffraction, DTA, and electron microscopy, and were shown to be poorly-crystallized calcium silicate hydrates of the tobermo…
The influence of surface tarnish on the stress-corrosion of α-brass
The structure and mechanism of formation of the tarnished layer formed on αj-brass when it is immersed in a copper sulphate–ammonium sulphate–ammonium hydroxide solution of pH 7·2 has been studied. The mode of formation of cracks in this layer when the brass is deformed has been investigated and the various shapes of…
Experimental Evaluation of Beam‐Bending Method of Determining Glass Viscosities in the Range 10 8 to 10 15 Poises
The method of determining the viscosity of a glass by the viscous bending of a simple beam is experimentally compared with the fiber‐elongation technique. For a standard soda‐lime‐silica glass, beam‐bending viscosity data are found to agree well with fiber‐elongation measurements reported by the National Bureau of Sta…
INTERACTION BETWEEN AMMONIA AND THE EXPANDING LATTICES OF MONTMORILLONITE AND VERMICULITE
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTINTERACTION BETWEEN AMMONIA AND THE EXPANDING LATTICES OF MONTMORILLONITE AND VERMICULITEM. M. Mortland, J. J. Fripiat, J. Chaussidon, and J. UytterhoevenCite this: J. Phys. Chem. 1963, 67, 2, 248–258Publication Date (Print):February 1, 1963Publication History Published onli…
Melting of Graphite at Very High Pressure
A method of flash-heating small rods of graphite inside a superpressure cell has been developed. The heating energy was inserted in less than 7 msec from a bank of electrolytic capacitors. This quick heating and cooling allowed fusion and freezing of the graphite to occur without serious melting or reaction of the sur…
On the General Theory of Surface States and Scattering of Electrons in Solids
In discussing the existence of surface states of electrons in solids or the scattering at a plane of discontinuity, it is necessary to match the wave function at the boundary plane, taken as the plane x = 0, using an infinite set of solutions of the Schrödinger equation in the solid. The solutions must all have the sa…
Magnetic Oxides of Molybdenum(V) and Tungsten(V) with the Ordered Perovskite Structure
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMagnetic Oxides of Molybdenum(V) and Tungsten(V) with the Ordered Perovskite StructureFrank K. Patterson, Carl W. Moeller, and Roland WardCite this: Inorg. Chem. 1963, 2, 1, 196–198Publication Date (Print):February 1, 1963Publication History Published online1 May 2002Publish…
Internal Magnetic Fields, Isomer Shifts, and Relative Abundances of the Various Fe Sites in FeSi Alloys
The "M\"ossbauer" technique was used to measure the internal magnetic fields and isomer shifts of ${\mathrm{Fe}}^{57}$ atoms residing at various sites in the FeSi series. The relative abundances of the various sites present in a given alloy were obtained by measuring the relative intensities of the components in the r…
Anomalies in the Elastic Constants and Thermal Expansion of Chromium Single Crystals
The temperature dependence of the elastic constants of two single crystals of chromium was investigated from 77 to 500\ifmmode^\circ\else\textdegree\fi{}K. A detailed study was made of the anomalies at the N\'eel temperature, 310\ifmmode^\circ\else\textdegree\fi{}K, and at the low-temperature transition at 120\ifmmode…
Direct Conversion of Graphite to Diamond in Static Pressure Apparatus
Static pressure apparatus has been developed which is capable of pressures up to 200 kbar and transient temperatures up to about 5000°K, using an electric flash-heating technique. At pressures above about 125 kbar and temperatures in the 3000°K range it is found that graphite spontaneously collapses completely to poly…
Electroelastic Properties of the Sulfides, Selenides, and Tellurides of Zinc and Cadmium
A complete set of elastic, piezoelectric, and dielectric constants is presented for the sulfides, selenides, and tellurides of zinc and cadmium. The piezoelectric constants for the hexagonal crystals in this group are markedly higher than for the cubic crystals. An elementary model theory applied to these data leads t…
Photon Correlations
Received 27 December 1962DOI:https://doi.org/10.1103/PhysRevLett.10.84©1963 American Physical Society