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  High-resolution x-ray measurements of the nematic-smectic-A transition in the polymeric liquid crystal P4.1 polysiloxane

Keller, E. N., Halfon, R., Nachaliel, E., Davidov, D., & Zimmermann, H. (1988). High-resolution x-ray measurements of the nematic-smectic-A transition in the polymeric liquid crystal P4.1 polysiloxane. Physical Review Letters, 61(10), 1206-1209. doi:10.1103/PhysRevLett.61.1206.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-AE3D-9 Version Permalink: https://hdl.handle.net/21.11116/0000-000A-63EE-B
Genre: Journal Article
Alternative Title : High-Resolution X-Ray Measurements of the A Transition in the Polymeric Liquid Crystal P4.1 Polysiloxane

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PhysRevLett_61_1988_1206.pdf (Any fulltext), 167KB
 
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https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.61.1206 (Any fulltext)
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 Creators:
Keller, Edward N., Author
Halfon, R., Author
Nachaliel, Ehud, Author
Davidov, Dan, Author
Zimmermann, Herbert1, 2, 3, 4, Author           
Affiliations:
1Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society, ou_1497705              
2Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society, ou_1497700              
3Zimmermann Group, Max Planck Institute for Medical Research, Max Planck Society, ou_1497749              
4Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_1497712              

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 Abstract: We report on the first high-resolution x-ray measurements of a second-order nematic to (bilayer) smectic-A phase transition in a polymeric liquid crystal, P4.1 polysiloxane. The critical exponents of the parallel and perpendicular correlation lengths and susceptibility were ν∥=0.77±0.05, ν⊥=0.57±0.08, and γ=1.33±0.10, respectively. The bare correlation lengths, ξ0∥q0 and ξ0⊥q0, were 3.27 ± 0.08 and 1.09 ± 0.14, respectively, and are unusually large in comparison to monomeric liquid crystals.

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Language(s): eng - English
 Dates: 1988-05-101988-09-05
 Publication Status: Issued
 Pages: 4
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.61.1206
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 61 (10) Sequence Number: - Start / End Page: 1206 - 1209 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1