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  • PACS. 77.80.Bh Phase transitions and Curie point - 77.22.Gm Dielectric loss and relaxation - 78.30.-j Infrared and Raman spectra  (1)
  • n-alkane  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    The elastic properties of hexatriacontane single crystals at their various phase transitions (1983)
    Springer
    Colloid & polymer science 261 (1983), S. 409-411 
    Details
    ISSN: 1435-1536
    Keywords: n-alkane ; single crystal ; elastic tensor ; phase transition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract For the first time directly measured elastic tensor components of C36H74 single crystals are presented as a function of temperature. The data are compared to theoretical results obtained for polyethylene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01418214
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Investigations on the soft-mode mechanism of the ferroelectric phase transition in (1998)
    Springer
    The European physical journal 5 (1998), S. 163-168 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 77.80.Bh Phase transitions and Curie point - 77.22.Gm Dielectric loss and relaxation - 78.30.-j Infrared and Raman spectra
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: Dielectric and Raman spectroscopic measurements have been performed to investigate the ferroelectric phase transition in . Single crystals were grown by the zone melting method. The frequency dependence of the dielectric permittivity from 1 MHz to 1 GHz has been studied in a temperature range between 265 and 285 K. A Debye like dielectric dispersion was found, showing a critical slowing down around K. Polarized Raman spectra have been taken between 220 and 310 K. Two softening modes have been found, one of A- and another one of B / B g-symmetry. The phase transition mechanism in can be classified as partially order-disorder and partially displacive, confirming former structural results. It resembles strongly that of monoclinic .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100510050430
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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