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  Dielectric studies of the smectic C*-smectic a transition of a ferroelectric liquid crystal with high spontaneous polarization

Bahr, C., Heppke, G., & Sharma, N. K. (1987). Dielectric studies of the smectic C*-smectic a transition of a ferroelectric liquid crystal with high spontaneous polarization. Ferroelectrics, 76(1), 151-157. doi:10.1080/00150198708009034.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-B09B-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-B09C-B
Genre: Journal Article

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Bahr, Christian1, Author              
Heppke, G., Author
Sharma, N. K., Author
Affiliations:
1Group Structure formation in soft matter, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063301              

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 Abstract: The static dielectric constant ∊⊥ in the smectic A and the smectic C* phase of the ferroelectric liquid crystal 4-(3-methyl-2-chlorobutanoyloxy)-4'-heptyloxybiphenyl was determined. Strong pretransitional effects were observed in the smectic A phase. When the Goldstone mode contribution in the smectic C* phase is quenched by the application of a dc electric field, a cusp like behaviour of ∊⊥ at the smectic C*-smectic A transition can be observed which is similar to solid ferroelectrics. The maximum in ∊⊥ was found to shift to higher temperatures with increasing dc field strength in agreement with the electric field dependence of the transition temperatures reported previously.

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Language(s): eng - English
 Dates: 1987
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1080/00150198708009034
BibTex Citekey: bahr_dielectric_1987
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Title: Ferroelectrics
Source Genre: Journal
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Publ. Info: New York : Gordon and Breach
Pages: - Volume / Issue: 76 (1) Sequence Number: - Start / End Page: 151 - 157 Identifier: ISSN: 0015-0193
CoNE: /journals/resource/954925399510