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|a (NLM)11138095
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|e rakwb
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|a eng
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|a Shenoy
|e verfasserin
|4 aut
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|a Vogel-fulcher dependence of relaxation rates in a nematic monomer and elastomer
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|c 2000
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|b nc
|2 rdacarrier
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|a Date Revised 20.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Dielectric relaxation spectroscopy is used to study the relaxation processes in a nematic monomer and the corresponding cross-linked polymer nematic liquid crystal (elastomer). In the frequency window 10 mHz to 2 GHz the monomer liquid crystal shows a single relaxation whereas the polymer exhibits three relaxation processes, two of which are quantitatively analyzed. The temperature dependence of relaxation times in both the monomer and polymer follows a Vogel-Fulcher behavior. The relaxation processes are identified with specific molecular motions and activation energies are calculated in a linear approximation for comparison with literature data
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|a Journal Article
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|a Filippov
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|a Aliev
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|a Keller
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|a Thomsen
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|a Ratna
|e verfasserin
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|i Enthalten in
|t Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
|d 1993
|g 62(2000), 6 Pt A vom: 05. Dez., Seite 8100-5
|w (DE-627)NLM098226002
|x 1063-651X
|7 nnns
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| 773 |
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|g volume:62
|g year:2000
|g number:6 Pt A
|g day:05
|g month:12
|g pages:8100-5
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|a AR
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|d 62
|j 2000
|e 6 Pt A
|b 05
|c 12
|h 8100-5
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