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  • International Union of Crystallography (IUCr)  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Investigation of the strain field of bismuth in lead by diffuse elastic neutron scattering (1975)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 8 (1975), S. 183-183 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: The diffuse elastic neutron scattering due to distortion of the Pb host lattice around Bi substitutional atoms has been measured at the HFR in Grenoble and the results discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S002188987501000X
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Pseudopotential calculations of lattice distortions around impurities in simple metals (1975)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 8 (1975), S. 184-184 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Second-order pseudopotential calculations are known to reproduce fairly well the structure and phonon spectra of many simple metals. The validity of the underlying assumption of linear screening for impurities with valences and core radii close to those of the host can be checked a posteriori and by comparing calculated properties with measurements on dilute alloys, and, especially, coherent elastic neutron scattering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889875010011
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  • 3
    Electronic Resource
    Electronic Resource
    Elastic diffuse scattering of neutrons as a tool for investigation of non-magnetic point defects (1975)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 8 (1975), S. 162-175 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Valuable information on the interatomic forces and energies in solids can be drawn from scattering experiments on crystals containing randomly distributed defects. However, defect concentrations usually have to be kept small to ensure random distribution and this is one of the reasons for a generally low signal. Neutrons can be used with advantage for such investigations if the incoherent-scattering cross section of the host material is small. The particular properties of slow neutrons make it possible to apply a number of experimental methods to obtain the desired information. Variation of incident energy and resolution in momentum space, the use of different isotopes as defects and – in particular if the experiments have to be done at high temperatures – analysis of the energy of the scattered neutrons may help to compensate for the usually low luminosity of neutron sources as compared, e.g., to X-ray tubes. Careful design of the sample's environment and appropriate choice of experimental parameters allow measurements on samples with defect concentrations down to 0.1 at. % and at temperatures up to several hundred Centigrade. Experimental facilities of this type have been installed in Jülich and in Grenoble. The results obtained so far on various alloy systems show that considerable success is possible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889875009971
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  • 4
    Electronic Resource
    Electronic Resource
    Lattice distortions by copper atoms in an aluminum lattice (1975)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 8 (1975), S. 184-184 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: With the method of elastic diffuse scattering of neutrons, the strain field produced by copper atoms dissolved in aluminium was investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889875010023
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