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Cetin Cetinkaya

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Çetin Çetinkaya

Professor
241 CAMP
Clarkson University
PO Box 5725
Potsdam, NY 13699-5725

Phone: 315-268-6514
Fax: 315-268-6695
E-mail: cetin@clarkson.edu

Educational Background
Ph.D., University of Illinois - Urbana-Champaign
M.S., University of Illinois - Urbana-Champaign
B.Sc., Istanbul Technical University

Teaching
Professor Cetinkaya is a faculty advisor for the Clarkson Tau Beta Pi chapter. He has served as the advisor for the Clarkson ASME Student chapter.  Dr. Cetinkaya also serves as the PI for an NSF Nanotechnology Undergraduate Education (NUE) program (0836640). Courses taught include:
ME591 - Nano/Micro-scale Systems Engineering (Special Topics)
ME654 (CE654) - Elastic Waves in Solids
ME551 – Theory of Elasticity
ME/AE555 - Advanced Mechanical Vibrations
ME445/446 - Integrated Design I-II
ES223 - Rigid Body Dynamics
ME/AE455 - Mechanical Vibrations and Control
ME 457 - Composite Mechanics and Design

Service
Chairman, the 5th Conference on Nonlinear Vibrations, Localization and Energy Transfer (2014), Istanbul, Turkey.
Member, Advisory Board, INTERPHEX 2013, New York, NY
Member, Committee on Administration and Finance, the ASME Technical Communities Operating Board (TCOB).
Member of Clarkson Faculty Senate; Chair of ASME MEMS Division; Editorial Board Member of the Journal of Adhesion Science and Technology; Member of the Cornell NanoScale Facility (CNF) User Committee; Member of the SEMATECH International Technology Roadmap for Semiconductors.

Research Interests
Dr. Cetinkaya is an ASME Fellow and a member of the Clarkson Million Dollar Club.  His group received the best paper award of the Journal of Nanoengineers and Nanosystems in 2005.  His area of research interests include solid mechanics, mechanical vibration, thermo-elastic wave propagation, mechanics of nano/micro-scale systems, transient finite element analysis and symbolic computing. He is the director of the Photo-Acoustics Research (PAR) Laboratory, and the co-director of the Nanomechanics/Nanomaterials (NN) Laboratory at Clarkson University. Specific applications areas of the projects at the laboratories include transdermal drug delivery, nano/micro-particle adhesion and removal, nondestructive evaluation of pharmaceutical materials, laser ultrasonics, and design/testing/evaluation of small-scale structures.  The PAR and NN laboratories have received research funds from the National Science Foundation, Intel, SEMATECH, Xerox Corp., Wyeth Pharmaceuticals, Pfizer Inc., Consortium for the Advancement of Manufacturing in Pharmaceuticals (CAMP), Praxair/Electronics, the US Army, as well as Center for Advanced Materials Processing (CAMP) at Clarkson.



Acoustic Monitoring and Characterization of Drug Tablets
Physical properties and mechanical integrity of drug tablets as well as their coat thickness and quality can affect their critical therapeutic and structural functions. Monitoring for defects and the characterization of tablet mechanical properties are of great practical interest in drug tablet manufacturing and unit operations, as noted in FDA's PAT and QbD initiatives. The objective of this project is to develop non-invasive, non-destructive acoustic techniques for pharmaceutical manufacturing applications as well as to understand fundamental factors affecting mechanical properties of tablets.

  

Real-Time Acoustic Monitoring of Drug Tablet Compaction
Compaction represents one of the most essential unit operations in the pharmaceutical manufacturing industry because physical and mechanical properties of the tablets, such as density and strength (hardness/friability) as well as the functional characteristics (e.g. dissolution rate) are determined during this process. The objective of this project is to develop real-time acoustic techniques for monitoring compaction in dies. In the Photo-Acoustics Research Laboratory, we utilize an instrumented die-punch setup and  to simulate the compaction process, to extract elastic properties of drug tablet cores as well as to monitor the die-wall lubrication and die-fill height during pharmaceutical compaction process using acoustic methods.

  

Work-of-Adhesion Characterization of Nanoparticle-coated Toner
In photocopying and printing, new generation chemical toner has various superior properties over traditional pulverized toner. However, research is required to understand adhesion properties of these particles and their relations to a number of other relevant parameters to take full advantage of his toner. In current study, two non-contact methods are employed to characterize the work-of-adhesion of an individual nanoparticle-coated toner particle. It is demonstrated that work-of-adhesion can be extracted from the resonance frequencies of rocking motion of a particle under acoustic base and air-coupled excitations.

  

Transport and Manipulations of Micro-Particles on Dry Surfaces
Gaining fundamental understanding of the transport and motion of small-scale objects on dry surfaces is the focus of this research effort. The needs in this area have been growing, as more micro/nano-technology applications require the transport and manipulations in nano/micro-scale. Our research efforts in this area focus on the transport and motion characteristic of micro-spheres under the influence of acoustic fields generated in solid substrates and in air by piezoelectric transducers.

  

MEMS Rotational Disk Oscillators for High-Frequency Sensors
A free-standing rotational oscillator has been developed as a novel detection element in mass sensing in liquid and air media. Traditional oscillators, such as cantilever beams, operate in out-of-plane vibrational modes, which limit the operation frequencies, and result in excessive stresses and high damping (low Q factor) in the device leading to reduced measurement sensitivities. High damping associated with out-of-plane motion is particularly dominant in liquids. Rotational oscillators would drastically decrease damping and stress in liquid phase by providing a rotational mode. Our main research objective is to gain fundamental understanding in vibrational motion of such disks and their uses in practical sensing applications.

  

Effect of Residual Stress on Structure Stability of Microscale Membranes
During fabrication, large deformations are observed in very high-aspect ratio free-standing micro-scale membranes. Axi-symmetric and full three dimensional membrane models of a 1.6 μm thick, 6 mm diameter membrane were developed to study the structural stability of these membranes with substantial residual stresses.

  

MD Simulations of Nanoparticle-Substrate Adhesion
A Molecular Dynamics (MD) simulation study is initiated to gain fundamental understanding of rolling and sliding elasto-adhesion interactions between a spherical nanoparticle and a substrate. This study is needed to understand the modes of particle removal and detachment for cleaning of semiconductor substrates, MEMS, the strength and stability of network of adhered round objects in a diverse spectrum of applications (e.g. particles, powders, blood cells and nanotubes) on micro/nano-scale.

  

Shock Tube Pressure Amplification for LIP Nanoparticle Removal
Nanoscale substrate cleanliness is a critical requirement in nanotechnology and semiconductor applications. A novel particle removal technique based on Laser Induced Plasma (LIP) shockwaves has been introduced and evaluated for nanoparticle removal by the Photo-Acoustics Research Laboratory. An in-air and submerged method using shock tubes for amplifying the dynamic pressure of LIP shockwaves for removing sub-50 nmnanoparticles has been demonstrated.

  

Substrate Damage in Nanoparticle Removal under LIP Exposure
Damage-free sub-100nm particle removal is a challenge in the semiconductor industry and nanotechnology. Laser induced plasma (LIP) is an emerging technique for fast, dry, chemical-free, non-contact, precision and selective cleaning of sub-100 nm particles. Determination of the primary causes for material alterations and damage due to LIP application in nanofilms deposited on substrates utilized in EUVL/photomasks, as well as investigation of the onset of these material alterations were the objectives of this investigation.

  

2012

Real-Time In-Die Monitoring of Tablet Compaction, J. D. Stephens, B. R. Kowalczyk, B. C. Hancock, Goldi Kaul, Cetin Cetinkaya, Accepted for publication in the International Journal of Pharmaceutics, April 4, 2012.

Wireless Electromagnetic Transmission of Ultrasonic Waveforms for Monitor Drug Tablet Properties, J. D. Stephens, M. V. Lakshmaiah, C. Cetinkaya, Accepted for publication in the International Journal of Pharmaceutics, 2012.

Doubling of Rocking Resonance Frequency of an Adhesive Microparticle Vibrating on a Surface, Armin Saeedi Vahdat, Saber Azizi, and Cetin Cetinkaya, Accepted for publication in Applied Physics Letters, 2012.

Laser Induced Plasma Exposure on Extreme Ultra-Violet Lithography Masks: Damage Analysis, I. Varghese and C. Cetinkaya, Accepted for publication in the IEEE Transactions on Semiconductor Manufacturing, June 15, 2012.

Thermoelastic Damping in a Micro-beam Resonator using Modified Couple Stress Theory, G. Rezazadeh, A. S. Vahdat, S. Tayefeh-rezaei, C. Cetinkaya, Acta Mechanica, Published Online: March 1, 2012.

Persistent Rocking Motion of Acoustically Excited Microparticles on Flat Surfaces, S. Miraskari, C. Cetinkaya, Journal of Adhesion Science and Technology, Vol. 25, No. 10-11, 2012.

2011

Carson Smith, James Stephens, Bruno Hancock, Cetin Cetinkaya, "Acoustic Assessment of Mean Grain Size in Pharmaceutical Compacts," Accepted for publication in the International Journal of Pharmaceutics, Vol. 419, No. 1-2, pp. 137-146 (July 2011).

Jingfei Liu, James D. Stephens, Brian R. Kowalczyk, Cetin Cetinkaya, "Real-Time In-Die Compaction Monitoring of Dry-Coated Tablets," International Journal of Pharmaceutics, , Vol. 444, No. 1-2 (2011).

Huan Zhang, Weiqiang Ding, Kock-Yee Law, Cetin Cetinkaya, "Adhesion Properties of Nanoparticle-Coated Emulsion Aggregation Toner," Powder Technology, Vol. 208, Issue 3, 582-589 (2011).

I. Akseli, M. Miraskari, H. Zhang, W. Ding, and C. Cetinkaya, "Non-Contact Rolling Bond Stiffness Characterization of Polyvinylpyrrolidone (PVP) Particles," Journal of Adhesion Science and Technology – Special Issue for Pharmaceutical Science, Pharmacology and Related Disciplines (Invited), 25, 4-5, 407-434 (2011).

2010

J. Liu and C. Cetinkaya, "Mechanical and Geometric Property Characterization of Dry-coated Tablets with Contact Ultrasonic Techniques,"  the International Journal of Pharmaceutics, 392, 1-2, 148-155 (2010).

H. Zhang, W. Ding and C. Cetinkaya, "Effects of Nanoparticle Coverage on the Adhesion Properties of Emulsion Aggregation Toner particles," the Journal of Imaging Science and Technology, Vol. 54, No. 2, pp. 1-8 (2010).

I. Akseli, D. Dey and C. Cetinkaya, "Mechanical Property Characterization of Bilayered Tablets Using Nondescructive Air-Coupled Acoustics, In Press, AAPS ParamSciTech (January 9, 2010) (online published).

X. Tong, W. Ding and C. Cetinkaya, "Effects of Surface Additive Nanoparticles on Adhesion of Emulsion Aggregation Toner," The Journal Adhesion Science and Technology, Vol. 24, Number 2 (2010).

2009 

I. Akseli, D. Dey and C. Cetinkaya, "Mechanical Property Characterization of Bilayered Tablets using Nondestructive Air-Coupled Acoustics, In Press, AAPS PharmSciTech (Dec. 22, 2009).

X. Tong, W. Ding and C. Cetinkaya, "Effects of Surface Additive Nanoparticles on Adhesion of Emulsion Aggregation Toner," In Press, the Journal of Adhesion Science and Technology (2009).

I. Akseli, B. Hancock and C. Cetinkaya, "Nondestructive Determination of Anisotropic Mechanical Properties of Pharmaceutical Dosage Forms, International Journal of Pharmaceutics, 377, 35-44 (2009).

M.D. Murthy Peri and C. Cetinkaya, "Spherical Nanoparticle-Substrate Adhesion Interaction Simulations Utilizing Molecular Dynamics," The Journal of Adhesion Science and Technology, Vol. 23, No. 13-14, pp. 1723-1738 (2009).

I. Varghese, D. Zhou, M.D. Murthy Peri and C. Cetinkaya, "Onset of Material Alterations due to Laser Induced Plasma Exposure in Nanofilms Deposited on Photomasks,"  IEEE Transactions on Semiconductor Manufacturing, Vol. 22, No. 4 (2009).

I. Akseli, D. Becker and C. Cetinkaya, "Ultrasonic Determination of Young's Moduli of the Coat and Core Materials of a Drug Tablet," The International Journal of Pharmaceutics, Vol. 370 (2009).

2008

C. Cetinkaya, L. Ban, G. Subramanian and I. Akseli, "Multi-mode Air-Coupled Excitation of Micromechanical Structures," IEEE Transactions on Instrumentation and Measurements, Vol. 57, No. 11, pp. 2457-2461 (2008).

I. Akseli and C. Cetinkaya, "Acoustic Testing and Characterization Techniques for Pharmaceutical Solid Dosage Forms," The Journal of Pharmaceutical Innovation, Vol. 3, No. 4216-226 (2008).

I. Akseli and C. Cetinkaya, "Air-Coupled Non-contact Mechanical Property Determination of Drug Tablets," The International Journal of Pharmaceutics, Vol. 359, Issues 1-2, pp. 25-34 (2008).

W. Ding, H. Zhang and C. Cetinkaya, "Rolling Resistance Moment-Based Adhesion Characterization of Microspheres," The Journal of Adhesion, Volume: 84,   Issue: 12   pp. 996-1006, 2008).

A Alavinasab, R Jha, G Ahmadi, C. Cetinkaya and I. Sokolov, "Computational modeling of nano-structured glass fibers," Computational Material Science, Volume: 44   Issue: 2 Pages: 622-627 (2008).

I. Akseli, C. Libordi and C. Cetinkaya, "Real-Time Acoustic Elastic Property Monitoring of Drug Tablet Cores during Compaction," Journal of Pharmaceutical Innovation, Vol. 3, No. 2 (2008).

I. Akseli, G. N. Mani, and C. Cetinkaya, "Non-destructive Acoustic Defect Detection in Drug tablets," The International Journal of Pharmaceutics, Vol. 360, pp.65–76 (2008).

I. Akseli and C. Cetinkaya, "Drug Tablet Thickness Estimations using Air-coupled Acoustics," The International Journal of Pharmaceutics, Vol. 351,  No. 1-2, 165-173 (2008).

M. D. Murthy Peri, D. Zhou, I. Varghese and C. Cetinkaya, "Transient Thermo-Elastic Response of Nanofilms under Radiation Heating from Pulsed Laser Induced Plasma," IEEE Transactions on Semiconductor Manufacturing, Vol. 21, Issue 1 (2008).

M. D. Murthy Peri, I. Varghese, C. Cetinkaya, "Adhesion characterization based on rolling resistance of individual microspheres on substrates: Review of recent experimental progress," J. of Adhesion Science and Technology, Vol. 22, 2008.

I. Varghese, M. D. Murthy Peri and C. Cetinkaya, "Removal of nanoparticles with laser induced plasma," J. of Adhesion Science and Technology, Vol. 22 (2008).

2007

W. Ding, A. Howard, M.D. Murthy Peri and C. Cetinkaya, "Rolling Resistance Moment of Microspheres on Surfaces: Contact Measurements,"  Philosophical Magazine, Vol. 87, Issue 36, pp. 5685-5696 (2007).

M. D. Murthy Peri, D. Zhou, I. Varghese and C. Cetinkaya, "Transient Thermo-Elastic Response of Nanofilms under Radiation Heating from Pulsed Laser Induced Plasma," IEEE Transaction on Semiconductor Manufacturing, Vol.21,   Issue: 1, 116-122 (2007).

T. Dunbar, I. Varghese, M. D. Murthy Peri and C. Cetinkaya, "Submerged Laser Induced Plasma Amplification of Shockwaves using Shock Tubes,"  Journal of Adhesion Science and Technology, Vol. 21, No. 14, pp. 1425–1437 (2007).

T. Dunbar and C. Cetinkaya, "Underwater Pressure Amplification of Laser-Induced Plasma Shockwaves for Particle Removal,"  Applied Physics Letters, Vol.91, No.5 (2007).

D. Zhou, M.D. Murthy Peri and C. Cetinkaya, "Thermal Loading of Laser Induced Plasma Shockwaves on Thin Films in Nanoparticle Removal,"  Journal of Applied Physics, 101, 113106 (2007).

M. D. Murthy Peri and C. Cetinkaya, "Air-Coupled Excitation of Rocking Motion of Individual Microspheres on Surfaces,"  Applied Physics Letters, 90, 171906 (2007).

J. Ricci and C. Cetinkaya, "Air-coupled Acoustic Method for the Testing and Evaluation of Micro-scale Structures,"  Review of Scientific Instruments, Vol. 78, No. 5 (2007).

I. Varghese and C. Cetinkaya, "Non-contact Photo-acoustic Defect Detection in Drug Tablets, Journal of Pharmaceutical Sciences, Vol. 96, No. 8 (2007).

M. D. Murthy Peri, V. K. Devarapalli, C. Cetinkaya, "Selective Removal of 10-40nm range Particles from Silicon Wafers using Laser Induced Plasma Shockwaves," Journal of Adhesion Science and Technology, 21 (3-4): 331-337 (2007).

T. Dunbar, B. Maynard, D. A. Thomas, M. D. Murthy Peri, I. Vargehese and C. Cetinkaya, "Pressure Amplification of Laser-Induced Plasma Shockwaves with Shock tubes for Nanoparticle Removal," Journal of Adhesion Science and Technology, Vol. 21, No. 1, 67-81 (2007).

M. D. Murthy Peri, I. Varghese, D. Zhou, A. John, C. Li and C. Cetinkaya, "Nanoparticle Removal Using Laser-Induced Plasma Shockwaves,"  Particulate Science and Technology, Vol. 25, No. 1, 91-106 (2007).

2006

L. Ban, A. Ziarani and C. Cetinkaya, "Acoustic Monitoring of Non-uniformly Eroded PVD Targets," IEEE Transactions on Semiconductor Manufacturing, Vol. 19, No. 4 (2006).

D. Zhou and C. Cetinkaya, "Molecular-level Mechanisms of Nanoparticle Detachment in Laser-induced Plasma Shockwaves, Applied Physics Letters, 88, 173109 (2006).

C. Li and C. Cetinkaya, "Frequency Domain Thickness Measurement Approach for Microscale Multilayered Structures,"  IEEE Transactions on Instrumentation and Measurement, Vol. 55, No. 1 (2006).

V. K. Devarapalli, M. D. M. Peri and C. Cetinkaya, "Particle Removal with Liquid-film-enhanced Laser-Induced Plasma," Journal of Adhesion Science and Technology, Vol. 20, No. 2-3, pp. 133-244 (2006).

D. Zhou, A. T. John Kadaksham, M. D. Murthy Peri, I. Varghese and C. Cetinkaya, Nanoparticle Detachment using Shockwaves, Journal of Nanoengineering and Nanosystems, Vol. 219, No. 3, pp. 91-102 (2006). 

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