Doctor of Philosophy (Ph.D.) in Materials Science and Engineering

Kurum: Koç Üniversitesi

Metod: Kurumda

Yerleşim yeri:

Program Türü: Doktora Programları

Program ücreti: İsteğe Bağlı

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Koç Üniversitesi

Doctor of Philosophy (Ph.D.) in Materials Science and Engineering - Sarıyer - İstanbul

Doctor of Philosophy (Ph.D.) in Materials Science and Engineering - Sarıyer - İstanbul

Program Tanımları:

An interdisciplinary program on the physical and chemical fundamentals of material synthesis, characterization, structure-property behavior, processing and computational modeling; with emphasis on practical laboratory experience.

Research areas of interest

- Nanostructured materials
- Photonics & laser materials
- Polymeric materials & composites
- Fuel cells & hydrogen storage materials
- Processing & device applications
- Protein biochemistry & biotechnology
- Micro-optics & micro-nano system technologies

Chemical and Biological Engineering

- Can Erkey ; Synthesis of Nanostructured Materials, Supercritical Fluids, Catalysis, Fuel Cells
- Burak Erman ; Polymeric Solids and Liquids; Rubber Elasticity; Biopolymers
- Halil Kavakli ; Biological Clock, Photoreceptors, Starch Biosynthesis

- A. Levent Demirel ; Nanostructured Materials; Surface & Interface Properties
- Mehmet Somer; Binary and Ternary Nitrides of Metals and Nonmetals,BN, AlN and Si3N4 Ceramics; Nanostructured Oxides, Sulphides and Fluorides; Intermetallic Compounds
- Iskender Yilgor ; Polymer Synthesis, Structure-Property Relationships
- H. Funda Yagci Acar ; Synthesis and Applications of Nanoparticles, Nanomaterials, Polymer Synthesis, Structure-Property Relations, Biomaterials
- Ersin Yurtsever ; Stability and Thermodynamics of Nanostructures
- Ugur Unal ; Synthesis and Applications of Nano size inorganic materials, Functional inorganic Layered Materials, Electrochemical, Photochemical Applications of Inorganic Materials (Solar Cells, Water Splitting, Photocatalytic Applications, Nano Cells)
- Ozgur Birer; Spectroscopy, Nanomaterials, Bio-surfaces

- Hakan Urey ; Microsensors and Microactuators;Nanomagnetic Materials

- Erdem Alaca ; Micro and Nanofabrication, MEMS-based Biosensors, Materials Behaviour, Engineering Mechanics
- Demircan Canadinc ; Materials Behavior, Multi-scale Experimental and Computational Mechanics of Materials, Mechanically Active Materials, Ultra-fine Grained Materials, Biomaterials, High-Strength Steels
- Ismail Lazoglu ; Manufacturing Automation, Process Modeling/Optimization/Monitoring/Control
- Mehmet Sayar ; Molecular Dynamics and Monte Carlo Simulation of Soft-condensed Matter, Polymer Physics, Polyelectrolytes, Liquid Crystals, Biologically Inspired Materials, Mechanics of Single Molecules
- Murat Sozer ; Manufacturing of Composite Materials

- Nihat Berker ; Equilibrium and non-equilibrium statistical mechanics; finite-size, interface, and quantum effects in constrained and driven, magnetic and soft-condensed-matter systems.
- Tekin Dereli ; Geometrical Dynamics of Nanotubes
- Alper Kiraz ; Nano-Optics, Single Molecule Microscopy
- Ozgur Mustecaplioglu ; Optical Properties of Semiconductors
- Alphan Sennaroglu ; Photonic and solid-state materials, Spectroscopy, Femtosecond Optics
- Ali Serpenguzel ; Optoelectronic Materials and Microphotonic Devices

MATH 503 Applied Mathematics

MASE 510 Synthetic Polymer Chemistry

MASE 511 Introduction to Polymer Science

MASE 522 Vibrational Spectroscopy

MASE 530 Materials Behaviour

MASE 532 Statistical Mechanics of Polymers

MASE 534 Rubber Elasticity

MASE 536 Multicomponent Polymeric Systems

MASE 538 Intermolecular and Surface Forces

MASE 540 Surface & Interface Properties of Materials

MASE 542 Biomaterials

MASE 544 Nanoparticle Science and Technology

MASE 550 Optical Spectroscopy of Materials and Devices

MASE 570 Micro and Nanofabrication

MASE 571 Semiconductor Processing Methods

MATH 504 Numerical Methods

MATH 506 Numerical Methods II

MECH 541 Manufacturing of Advanced Engineering Materials

MECH 543 Computer Integrated Manfucturing and Automation

MECH 546 Machine Tools in Manufacturing

MECH 552 Introduction to Biomechanics

MECH 561 Mechanics of Condensed Matter

PHYS 509 Condensed Matter Physics I

PHYS 510 Condensed Matter Physics II

ECOE 521 Photonics and Lasers

ECOE 522 Micro-Opto-Electro-Mechanical Systems

ECOE 525 Photonic Materials & Devices

Courses are selected by the students from the above list and from other courses not listed here in accordance with their areas of specialization and subject to the approval of their advisors. In addition, each student has to take a seminar course, MASE 590 Seminar. Students also register for the thesis course.

- MASE 590 Seminar
- MASE 596 PhD Thesis
- TEAC 500 Teaching Experience

Students who have TA assignments must take TEAC 500: Teaching Experience during the semesters of their assignments. Students must also take ENGL 500: Graduate Writing course.

Course Descriptions

Review of Linear Algebra and Vector Fields: Vector Spaces, Eigenvalue Problems, Quadratic Forms, Divergence Theorem and Stokes’ Theorem. Sturm-Liouville Theory and Orthogonal Polynomials, Methods of Solution of Boundary Value Problems for the Laplace Equation, Diffusion Equation and the Wave Equation. Elements of Variational Calculus.

Introduction to polymers (nomenclature, tacticity, molecular weight, physical state, properties & applications); Synthesis of polymers and macromolecular structures: step growth polymerization, chain growth polymerization; polymer reactions. Pre-requisite: At least one semester of organic chemistry or Chem 307.

Differences between the small molecules and macromolecules, thermosets and thermoplastics, and structure-property relationships in polymers. Introduces main polymer families. Also discusses supramolecular structures, blends, composites and IPNs. Pre-requisite: Consent of the instructor.

Molecular symmetry, group theory, reducible and irreducible representation, character tables, introduction to vibrational spectroscopy, Raman effect, infrared absorption, selection rules, pure rotational spectroscopy, normal modes, prediction and interpretation of the vibrational spectra of polyatomic species.

Materials behavior using phenomenological and microstructure-based approaches. Topics include plasticity, fracture, fatigue and micromechanics.

Statistical mechanics of the single chain, configurational averages, polymer solution statistics and thermodynamics, dilute and concentrated polymer solutions, the bulk state of polymers, critical phenomena and phase equilibria; numerical techniques for polymeric systems.

Classical theories of rubber elasticity, elasticity of the single chain, intermolecular effects, effects of entanglements, relationships between stress and strain, swelling of networks, critical phenomena and phase transitions in gels, thermoelastic behavior of elastomers, computational aspects.

Block and segmented copolymers, polymer blends and composites; design, preparation, properties and applications of multicomponent polymeric materials; phase separation in polymeric systems; structure-morphology-property relations in multicomponent polymers.

Prerequisite: Chem 410, Mase 510, Mase 511.

Intermolecular forces which govern self-organization of biological and synthetic nanostructures. Thermodynamic aspects of strong (covalent and coulomb interactions) and weak forces (dipolar, hydrogen bonding). Self-assembling systems: micelles, bilayers, and biological membranes. Computer simulations for “hands-on” experience with nanostructures. Prerequisites: CHEM 301 or consent of the instructor.

Fundamental physico-chemical concepts of surface and interface science; interaction forces in interfacial systems; surface thermodynamics, structure and composition, physisorption and chemisorption; fluid interfaces; colloids; amphiphilic systems; interfaces in polymeric systems & polymer composites; liquid coating processes.

Materials for biomedical applications; synthetic polymers, metals and composite materials as biomaterials; biopolymers, dendrimers, hydrogels, polyelectrolytes, drug delivery systems, implants, tissue grafts, dental materials, ophthalmic materials, surgical materials, imaging materials.

Pre-requisite: At least one semester of organic chemistry or the consent of the instructor.

Size related properties of nanoparticles; synthetic strategies, main characterization tools, challenges and solutions, surface functionalization, technological applications and current trends.

Pre-requisite: Consent of the instructor.

Absorption and emission of light, transition probabilities, lifetimes, spontaneous and radiationless transitions, natural linewidth, spectroscopic instrumentation, detection of light, lasers as spectroscopic light sources, fundamentals of lasers, nonlinear optical mixing techniques. Prerequisite: Consent of the instructor.

Fabrication and characterization of MEMS & NEMS. Topics include microfabrication, microlithography; etching techniques, physical & chemical vapor deposition processes; nanofabrication, top-down approaches, electron-beam lithography, SPM techniques, soft lithography; bottom-up techniques based on self-assembly.

Introduction, material properties, crystal growth, epitaxy, ion implantation, cleaning, wet etching, photolithography, non-optical lithography, plasma processing, dry etching, metal deposition, diagnostic techniques.

Review of Linear Algebra: linear spaces, orthogonal matrices, norms of vectors and matrices, singular value decomposition. Projectors, QR Factorization Algorithms, Least Squares, Conditioning and Condition Numbers, Floating Point Representation, Stability, Conditioning and Stability of Least Squares, Conditioning and Stability Analysis of Linear Systems of Equations.

Numerical Solution of Functional Equations, the Cauchy Problem and Boundary Value Problems for Ordinary Differential Equations. Introduction to the Approximation Theory of One Variable Functions. Finite - difference Methods for Elementary Partial Differential Equations. Monte Carlo Method and Applications.

Advanced engineering material manufacturing processes. Metals: material removal, addition, change of form. Plastics and composites: injection molding, compression molding, extrusion, sheet forming, tow placement, pultrusion, liquid molding, filament winding, autoclave. Similarities /differences of processes, advantages/disadvantages of processes, proper selection of manufacturing process, applications from industries, issues and their solutions, on- and off-line control.

Prerequisite: MECH 301and MECH 306 or consent of the instructor.

Product realization systems from Computer Aided Design (CAD) to Computer Aided Manufacturing (CAM). Manufacturing Automation. Modern sensors in manufacturing. Computer control of manufacturing systems. Computer Numerical Control (CNC) machine tools. Machining processes. Rapid prototyping. Fundamentals of industrial robotics.

Prerequisite: Consent of the instructor.

Mechanics of metal cutting. Static and dynamic deformations in machining. Chatter vibration and stability issues. Design and analysis of Computer Numerical Control (CNC) systems. Machine tool drives. Feedback devices. Electrical drives. State-space model of feed drive control system. Digital position control system design. Sensor-assisted intelligent machining. Hardware and software machining modules. Applications and projects.

Prerequisite: MECH 304 and MECH 306 or consent of the instructor.

Applications of mechanics to biological systems; basic principles of mechanics (force-moment, stress-strain, work, energy, rigid body dynamics), analysis of human movement, musculoskeletal mechanics, tissue mechanics, motor control system, sports biomechanics, and rehabilitation engineering.

Prerequisite: MECH 201 or consent of the instructor.

Definition of stress, strain and motion. Constitutive equations describing the mechanical and thermal behavior of elastic and viscoelastic materials. Relationships between macroscopic and microscopic stress and strain. Micromechanics of defects. Observables at the macroscopic and microscopic length scales in plasticity, fracture and fatigue.

Prerequisite: MECH 201 and MECH 202 or consent of the instructor.

Free electron theory of metals. Crystal lattices. Reciprocal lattice. Classification of Bravais lattices. X-ray diffraction and the determination of crystal structures. Electrons in a periodic potential. Tight binding method. Band structures. Semi-classical theory of conduction in metals. Fermi surface. Surface effects.

Classification of solids. Theory of harmonic crystals. Phonons and phonon dispersion relations. Anharmonic effects in crystals. Phonons in metals. Dielectric properties of insulators. Semiconductors. Diamagnetism and paramagnetism. Electron interactions and magnetic structure. Magnetic ordering. Superconductivity.

Review of electromagnetism; electromagnetic nature of light, radiation, geometrical optics, Gaussian beams, transformation of Gaussian beams; electromagnetic modes of an optical resonator, interaction of light with matter, classical theory of absorption and dispersion, broadening processes, Rayleigh scattering, quantum theory of spontaneous and stimulated emission, optical amplification, theory of laser oscillation, examples of laser systems, Q switching and mode locking of lasers.

Prerequisite: ELEC 206 or consent of the instructor.

Introduction to Microsystems, MEMS and its integration with optics; microfabrication and process integration; MEMS modeling and design; actuator and sensor design; mechanical structure design; optical system design basics; packaging; optical MEMS application case studies; scanning systems (retinal scanning displays, barcode scanners); projection display systems (DMD and GLV); infrared imaging cameras; optical switching for telecommunications.

Prerequisite: ELEC 321 or consent of the instructor.

Survey of the properties and applications of photonic materials and devices; semiconductors; photon detectors, light emitting diodes, noise in light detection systems; light propagation in anisotropic media, Pockels and Kerr effects, light modulators, electromagnetic wave propagation in dielectric waveguides, waveguide dispersion; nonlinear optical materials, second harmonic generation, Raman converters.

Prerequisite: ELEC 206 or PHYS 302

A series of lectures given by faculty or outside speakers. Participating students must also make presentations during the semester.

Independent research towards Ph.D. degree.

Provides hands-on teaching experience to graduate students in undergraduate courses. Reinforces students' understanding of basic concepts and allows them to communicate and apply their knowledge of the subject matter.

This is a writing course specifically designed to improve academic writing skills as well as critical reading and thinking. The course objectives will be met through extensive reading, writing and discussion both in and out of class. Student performance will be assessed and graded by Satisfactory/Unsatisfactory

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