Description of Individual Course Units
Course Unit CodeCourse Unit TitleType of Course UnitYear of StudySemesterNumber of ECTS Credits
9101045351998Liquid Crystals IElective118
Level of Course Unit
Second Cycle
Objectives of the Course
The aim of the course is to teach to structure of the liquid crystal materials, properties and applications in detail
Name of Lecturer(s)
Dr. Öğr.Üyesi Özgür MASALCI
Learning Outcomes
1Being able to learn liquid crystal phases and structure
2Being able to learn nematic liquid crystals
3Being able to learn statistical theories of liquid crystals
4Being able to learn other theoriae of Liquid crystals
5
Mode of Delivery
Face to Face
Prerequisites and co-requisities
None
Recommended Optional Programme Components
None-H. Stegemeyer(eds), Liquid Crystals, Steinkopff Darmstadt, 1994 -P. G. de Gennes, The Physics of Liquid Crystals, Clarendon Press-Oxford, 1993 -H. Yurtseven, N. Kazancı, E. Kilit Doğan, Ö. Masalcı, Sıvı Kristaller ve Moleküler Kristallerde Hal Değişimleri, Ege Üniversitesi Yayınları, İzmir 2014
Course Contents
Structure and classification of the Liquid crystal mesophase, thermotropic liquid Crystals, lyoropic liquid crystals, statisticial theories of nematic order, The Maier-Saupe Theory, the mean field approximation, continuum theory of nematic state
Weekly Detailed Course Contents
WeekTheoreticalPracticeLaboratory
1Introduction to Liquid Crystals, structure and classification of the mesophase, thermotropic liquid crystals, lyoropic liquid crystals, polymorphism in thermotropic liquid crystals
2Statisticial theories of nematic order, order-disorder in positoions and orientations
3Plastic Crystals and Liquid Crystals, pressure-induced mesomorphism, phase transition in a fluid of hard rods
4The Maier-Saupe Theory and its applications, definition of long range orientational order, the mean field approximation
5Evaluation of the order parameter, the odd-even effect, relationship between elasticity and orientational order
6Short range order effects in the isotropic phase, the Landau-de Gennes model
7Magnetic and electric birefringence, light scattering, the nematic liquid crystal free surface
8Mid-term Exam
9Continuum theory of nematic state, the Ericksen-Leslie theory, coefficients of viscosity
10Distortions due to a magnetic field, the Freedericksz effect, the twisted nematic cell
11Schlieren textures, inversion walls, interaction between disclinations
12Flow properties, Miesowicz’s experiment, Poiseuille flow, shear flow
13Dynamics of the Freedericksz effect, twist deformation, backflow effects
14Orientational fluctuations, intensity and angular dependence of the scattering
15Electrohydrodynamics, the experimental situation, Helfrich theory
16Final Exam
Recommended or Required Reading
Planned Learning Activities and Teaching Methods
Assessment Methods and Criteria
Term (or Year) Learning ActivitiesQuantityWeight
Midterm Examination1100
SUM100
End Of Term (or Year) Learning ActivitiesQuantityWeight
Final Sınavı1100
SUM100
Term (or Year) Learning Activities40
End Of Term (or Year) Learning Activities60
SUM100
Language of Instruction
Turkish
Work Placement(s)
None
Workload Calculation
ActivitiesNumberTime (hours)Total Work Load (hours)
Midterm Examination122
Final Examination122
Attending Lectures14342
Report Preparation23060
Report Presentation212
Individual Study for Mid term Examination16060
Individual Study for Final Examination17070
TOTAL WORKLOAD (hours)238
Contribution of Learning Outcomes to Programme Outcomes
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* Contribution Level : 1 Very low 2 Low 3 Medium 4 High 5 Very High
 
Ege University, Bornova - İzmir / TURKEY • Phone: +90 232 311 10 10 • e-mail: intrec@mail.ege.edu.tr