prost, de gennes, the physics of liquid crystals chandrasekhar, liquid crystals vertogen, de jeu,...
TRANSCRIPT
Oettel/Auernhammer, "Soft Matter"
Textbooks
• Prost, de Gennes, “The physics of liquid crystals”
• Chandrasekhar, “Liquid crystals”
• Vertogen, de Jeu, “Thermotropic liquid crystals, Fundamentals”
• Chaikin, Lubensky, “Principles of condensed matter physics”
• P. Oswald, P. Pieranski, “Nematic and cholesteric liquid crystals”
• and many, many more …
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Oettel/Auernhammer, "Soft Matter"
http://www.lci.kent.edu/information.html
http://www.lci.kent.edu
http://liqcryst.chemie.uni-hamburg.de/
http://plc.cwru.edu/tutorial/enhanced/main.htm
http://bly.colorado.edu/images.html
Some useful internet resources
Liquid crystal groups with good web pages
Virtual text book
… and many more
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Historical remarks
1888 Reinitzer (Cholesterolbenzoat)
1889 Lehmann: “Über fliessende Krystalle”
Monatshefte für Chemie (Wien) 9, 421–41 (1888)
Zeitschrift für physikalische Chemie 4, 462 – 472.04/20/2010 Oettel/Auernhammer, "Soft Matter"
Oettel/Auernhammer, "Soft Matter"
Nematics
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Oettel/Auernhammer, "Soft Matter"
Microscopic definition
Distribution function, f(q)
Director
N N
n
Higher order
Lower order
p0
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Oettel/Auernhammer, "Soft Matter"
Magnetic susceptinility[V
erto
gen, d
e Je
u, “T
herm
otro
pic liq
uid
cry
stals,
Fun
dam
enta
ls”, p. 1
75]
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Oettel/Auernhammer, "Soft Matter"
Schlieren Texture
[O. Lavrentovich, Kent]
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Oettel/Auernhammer, "Soft Matter"
Nematics
[O. Lavrentovich, LCI, Kent]
[Demus, Richter “Textures of Liquid Crystals” p. 33]
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Oettel/Auernhammer, "Soft Matter"
Defects in nematics II
P.E. Cladis, H.R. Brand Physica A 326 (2003) 322 – 332
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Oettel/Auernhammer, "Soft Matter"
Homologue series, nematics
[Vertogen, de Jeu, “Thermotropic liquid crystals, Fundamentals”, p. 21]04/20/2010
Oettel/Auernhammer, "Soft Matter"
Thread texture
J. Chem. Soc., Faraday Trans. 2, 1972, 68, 1 - 15,
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Oettel/Auernhammer, "Soft Matter"
Cholesteric lcs, chiral nematics
[Chandrasekhar, “Liquid crystals”, p. 5]
[Coates, Gray, Mol. Cryst. Liq. Cryst., 24, 163 (1973)
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Cholesteric lcs, chiral nematics
http://bly.colorado.edu/lcphysics/textures/#Ch
[Vertogen, de Jeu, “Thermotropic liquid crystals, Fundamentals”, p. 27]
Oettel/Auernhammer, "Soft Matter"
Oettel/Auernhammer, "Soft Matter"
Focal conics
[M. E. Neubert, Kent] http://liqcryst.chemie.uni-hamburg.de/lcionline/
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Smectic A
[M. E. Neubert, LCI, Kent]
[Vertogen, de Jeu, “Thermotropic liquid crystals, Fundamentals”, p. 34]Oettel/Auernhammer, "Soft Matter"
Oettel/Auernhammer, "Soft Matter"
Differential scanning calorimetry
http://plc.cwru.edu/tutorial/enhanced/files/lc/phase/phase.htm
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Oettel/Auernhammer, "Soft Matter"
X-ray scattering
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Oettel/Auernhammer, "Soft Matter"
X-ray scattering
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[ S. Krause, Diss, 2008, Uni Freiburg]
Oettel/Auernhammer, "Soft Matter"
Comparing different methods
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Oettel/Auernhammer, "Soft Matter"
Modern applications (biomedical)
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Oettel/Auernhammer, "Soft Matter"
Modern applications (model systems)
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Smectic … (e.g. Cxx, B7)
[ Antal Jakli, LCI, Kent]
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Columnar phases
[Chaikin, Lubensky, “Principles of condensed matter physics”, p.71]
Oettel/Auernhammer, "Soft Matter"04/20/2010
Lyotropic liquid crystals
[Chaikin, Lubensky, “Principles of condensed matter physics”, p.73]
Oettel/Auernhammer, "Soft Matter"04/20/2010
Lyotropic liquid crystals
[Chaikin, Lubensky, “Principles of condensed matter physics”, p.74]
Oettel/Auernhammer, "Soft Matter"04/20/2010
Blockcopolymers
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Blockcopolymers
Oettel/Auernhammer, "Soft Matter"
Oettel/Auernhammer, "Soft Matter"
Liquid crystalline elastomers
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