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  • 1
    Electronic Resource
    Electronic Resource
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 27 (1971), S. 680-680 
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The polarization properties of the light scattered in the bulk of an anisotropic solid are used to measure circular and linear birefringence. Recently, the extension of the method to scattering at an air-solid interface has increased the precision significantly and the range of measurement by three orders of magnitude. Moreover, the brightness handicap of Rayleigh scattering is surmounted by designing the roughness of the scattering surface adequately and by using an analyser in the scattered beam.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Accident Analysis and Prevention 17 (1985), S. 381-386 
    ISSN: 0001-4575
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Architecture, Civil Engineering, Surveying , Psychology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Solid State Communications 8 (1970), S. 617-620 
    ISSN: 0038-1098
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Solid State Communications 7 (1969), S. 1653-1656 
    ISSN: 0038-1098
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 220 (1968), S. 772-773 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have calculated the probability that radiation from a remote object will pass through at least one intervening galaxy using various models of the universe4. For the sake of the present discussion we adopt the world model recently suggested by Solheim5 with a deceleration parameter g0= - 1-4 and ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 14 (1971), S. 37-54 
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Zusammenfassung Die kristallographischen Eigenschaften von Eu2SiO4 werden in Zusammenhang mit dem isomorphen Ca2SiO4 untersucht. Die neulich gefundene monokline Zimmertemperaturphase ist ferroelastisch und zugleich ferromagnetisch bei tiefen Temperaturen (T e=5,40°K). Die optische Absorption und die Dispersionseigenschaften wurden in Spektralbereichen zwischen 0,5 und 3,6 eV und zum Teil für Temperaturen zwischen 300 und 500°K gemessen. Dieser Temperaturbereich schließt die ferroelastisch-paraelastische Phasenumwandlungstemperatur ein (T e=438°K). Eine Anomalie der DK deutet auf die Existenz einer unstabilen ferroelektrischen Phase hin. Die Faraday-Drehung wurde auf beiden Seiten der Absorptionskante bei 300 und 77°K gemessen. Die neuesten Angaben über die Kristallstruktur ermöglichen eine Erklärung des magnetischen Verhaltens der zwei bis jetzt bekannten ferromagnetischen Phasen.
    Abstract: Résumé Nous présentons une étude des propriétés cristallographiques de Eu2SiO4 en regard de son isomorphe Ca2SiO4. La phase monoclinique découverte récemment comme étant stable à la température ambiante est ferro-élastique et de plus ferromagnétique aux basses températures (T e=5,40°K). Nous avons mesuré l'absorption optique et les propriétés de dispersion dans des intervalles spectraux s'étendant de 0,5 à 3,6 eV et en partie à des températures s'échelonnant entre 300 et 500°K. Ce domaine thermique comprend la température de transition entre les phases ferro-élastique et para-élastique (T e=438°K). Une anomalie de la constante diélectrique àT e suggère la présence d'une phase instable ferro-électrique. Nous avons mesuré la rotation de Faraday de part et d'autre de l'arête d'absorption à 300 et 77°K. Les résultats obtenus récemment sur la structure cristalline fournissent une explication du comportement magnétique des deux phases ferromagnétiques présentement connues.
    Notes: Abstract The crystallographic properties of Eu2SiO4 are studied in terms of its isomorph Ca2SiO4. The recently discovered monoclinic room-temperature phase is ferroelastic and simultaneously ferromagnetic at low temperatures (T e=5.40°K). The optical absorption and the dispersion properties have been measured in spectral intervals ranging from 0.5 to 3.6 eV and partly for temperatures between 300 and 500°K. This temperature range includes the ferroelastic-paraelastic phase-transition temperature (T e=438°K). An anomaly of the dielectric constant atT e suggests the presence of an unstable phase which would be ferroelectric. The Faraday rotation has been measured on either side of the absorption edge at 300 and 77°K. The recent results on crystal structure allow an explanation of the magnetic behaviour of the two ferromagnetic phases known up to now.
    Type of Medium: Electronic Resource
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