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Studies of the electroclinic respons...

Williams, Paul Andrew.

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Studies of the electroclinic response and structure of the liquid crystal W317.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Studies of the electroclinic response and structure of the liquid crystal W317./
Author:	Williams, Paul Andrew.
Description:	174 p.
Notes:	Director: Noel A. Clark.
Contained By:	Dissertation Abstracts International54-10B.
Subject:	Physics, Molecular. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9406829

Studies of the electroclinic response and structure of the liquid crystal W317.
Williams, Paul Andrew.

Studies of the electroclinic response and structure of the liquid crystal W317. - 174 p.

Director: Noel A. Clark.

Thesis (Ph.D.)--University of Colorado at Boulder, 1993.

The new liquid crystal material W317 is studied. It exhibits an unusually large electroclinic effect with an abnormally low temperature dependence at low temperatures. The electric field dependence and temperature behavior of this electro-optic response are studied in depth using visible light polarimetry and X-ray diffraction. Dielectric measurements are made to determine the temperature dependences of the phenomenological free energy parameters A and c, and results are interpreted in terms of the temperature dependence of the electroclinic effect. W317 also exhibits three higher order phases which are identified through X-ray diffraction, differential scanning calorimetry and microscopy. Finally, variations on the structure of W317 are made in order to both enhance the strong temperature independent electroclinic effect and to understand its origin.Subjects--Topical Terms:

1018648
Physics, Molecular.

Studies of the electroclinic response and structure of the liquid crystal W317.
LDR:01724nam 2200265 a 45 001 969307
005 20110920
008 110921s1993 eng d
035 $a (UMI)AAI9406829
035 $a AAI9406829
040 $a UMI $c UMI
100 1 $a Williams, Paul Andrew. $3 1293361
245 1 0 $a Studies of the electroclinic response and structure of the liquid crystal W317.
300 $a 174 p.
500 $a Director: Noel A. Clark.
500 $a Source: Dissertation Abstracts International, Volume: 54-10, Section: B, page: 5226.
502 $a Thesis (Ph.D.)--University of Colorado at Boulder, 1993.
520 $a The new liquid crystal material W317 is studied. It exhibits an unusually large electroclinic effect with an abnormally low temperature dependence at low temperatures. The electric field dependence and temperature behavior of this electro-optic response are studied in depth using visible light polarimetry and X-ray diffraction. Dielectric measurements are made to determine the temperature dependences of the phenomenological free energy parameters A and c, and results are interpreted in terms of the temperature dependence of the electroclinic effect. W317 also exhibits three higher order phases which are identified through X-ray diffraction, differential scanning calorimetry and microscopy. Finally, variations on the structure of W317 are made in order to both enhance the strong temperature independent electroclinic effect and to understand its origin.
590 $a School code: 0051.
650 4 $a Physics, Molecular. $3 1018648
650 4 $a Physics, Optics. $3 1018756
690 $a 0609
690 $a 0752
710 2 0 $a University of Colorado at Boulder. $3 1019435
773 0 $t Dissertation Abstracts International $g 54-10B.
790 $a 0051
790 1 0 $a Clark, Noel A., $e advisor
791 $a Ph.D.
792 $a 1993
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9406829