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  • 1
    Electronic Resource
    Electronic Resource
    X-rays from radiative electron capture of highly-charged heavy ions in an electron cooler (1994)
    Springer
    The European physical journal 30 (1994), S. 307-313 
    Details
    ISSN: 1434-6079
    Keywords: 34.80.Kw ; 32.30.Rj
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The x-ray spectra induced by spontaneous capture of free cooling electrons into bare and hydrogenlike heavy ions have been observed. Au78+, Au79+ and U91+ ions were stored in the storage ring ESR at velocities between 60% and 65% of the velocity of light and the x rays were measured in coincidence with stored particles having captured one electron in the electron cooler. The lines observed can be attributed to the direct transition of cooling electrons into theK shell of the projectile and to the characteristicL →K transitions. The latter are mainly induced by capture into higher shells and subsequent cascade transitions. The measurements are compared to detailed calculations within the framework of presently available theories. Although the relative structure of the measured spectra is in fair agreement with the theoretical prediction, the total charge-changing rate in the electron cooler is about a factor of three smaller than expected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426395
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  • 2
    Electronic Resource
    Electronic Resource
    Mechanismus der Entmischung von Chromindiumsulfid-Spinellmischkristallen. Transmissionselektronenmikroskopische Untersuchungen (HRTEM) (1990)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 589 (1990), S. 122-128 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Mechanism of the Decomposition of Chromium Indium Sulfide Spinel Solid Solutions - Transmission Electron Microscope Studies (HRTEM)The mechanism of the probably spinodal decomposition of the spinel type solid solutions MCr2-2xIn2xS4 with M = Fe, Co below 850 and 1000°C, respectively, was studied by high resolution transmission electron microscope technique (HRTEM). The decomposition starts by migration of the metal ions in the tetrahedral 8a sites of the spinel structure to the 16c interstitial sites forming lamellar domains of NaCl structure and NaCl superstructure (Zr3S4 or LiVO2 type), respectively.
    Notes: Der Mechanismus der wahrscheinlich spinodalen Entmischung von Spinellmischkristallen des Typs MCr2-2xIn2xS4 (M = Fe, Co) unterhalb 850 bzw. 1000°C wurde mit Hilfe hochauflösender transmissionselektronenmikroskopischer Messungen (HRTEM) untersucht. Die Entmischung erfolgt primär durch Platzwechsel der tetraedrisch koordinierten Metallionen (8a-Lagen der Spinellstruktur) auf oktaedrische 16c-Zwischengitterpositionen unter Ausbildung von lamellaren Domänen mit NaCl-Struktur bzw. NaCl-Überstruktur (Zr3S4- bzw. LiVO2-Typ).
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19905890114
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    Paper (German National Licenses)
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