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Rahmi Orhon Pak

ELECTRICAL ENGINEER (PhD) – SCIENTIST

WORK & LEADERSHIP EXPERIENCE

Electrical Engineer – Consultant,
Independent Scientific and Technical Consulting
Consultant, Rumeli Yakası, İstanbul, Türkiye
November 2020 – (Present)

Instrumentation Research & Development Engineer,
Department of Physics
Indiana University – Purdue University, Indianapolis (IUPUI), IN, USA
November 2019 – February 2020

  • IUPUI is a public research university in Indianapolis, IN, with high research activity in medicine, biophysics-biochemistry, biology, biomedical and transportation engineering technologies.
  • Responsible for the general safety and operation of workers in biophysics and optical research laboratories.
  • Instrumentation engineering for applications such as NMR, EPR/ESR, optical, and mechanical measurements.
  • I officially left the university on Feb. 2020 due to the end of OPT period for F-1 USA Visa holders.

Electrical Engineer – Consultant,
Independent Scientific and Technical Consulting
Consultant, Chicago, IL, USA
September 2018 – November 2019

  • Personal connections for electronics applications in different industrial sectors: Semiconductor, Energy (Power), Mechatronics, Communications, Medicine, and many other major subject matter related to sensors & systems design, standard operations-experiments and statistical analysis of defects.
  • Technical presentations to Fortune-500 companies and government research organizations at locations in USA.

Electrical Engineer (Postdoctoral Research Scientist),
Materials Science Division
Argonne National Laboratory,
UChicago-Argonne LLC, Lemont, IL, USA
September 2017 – September 2018

  • Argonne National Laboratory (ANL) is a science and engineering research national laboratory operated by University of Chicago Argonne LLC for the U.S. Department of Energy.
  • Performed basic scientific research on new engineering materials for next-gen. (quantum & memory) computers, medical imaging and environmental monitoring (optical UV-Visible-IR, x-ray/gamma-ray, neutron etc.) sensors.
  • Model-based development of analog-digital electronics design.
  • Electronics-hardware experiments for harsh environments (EMI, EMC, humidity, temperature, pressure, etc.), writing of experimental test protocols and operation procedures, and instruction of product tester employees.
  • Developed solutions and standards to problems in nuclear imaging, power and RF semiconductor components.
  • Studies on spectrograms, filtering, and adaptive machine-learning algorithms for error correction.

Electrical Engineer (Quality and Safety Officer),
Department of Electrical Engineering
University of South Carolina, Columbia, SC, USA
June 2014 – December 2016

  • University of South Carolina (UofSC) is a public research university in Columbia, SC, with high research activity in aerospace, marine, nuclear power, medicine, semiconductors, robotics and Internet-of-Things (IoT) technologies.
  • Responsible officer for the general safety of the workers in an electronics fabrication laboratory (at least $2 million).
  • Safety training and certification of lab personnel; management of an inventory of over 300 units of chemicals.
  • Arrangement of quarterly inspections from Environmental Health and Safety officials.
  • Ensured that the cleanroom fabrication, testing and characterization in the lab are up to standards.
  • Decision-making and writing of emergency safety procedures, and Standard Operation Procedures.

Electrical Engineer (Postgraduate Research Scientist),
Department of Electrical Engineering
University of South Carolina, Columbia, SC, USA
August 2012 – August 2017

  • Performed basic scientific research on new engineering materials for next-gen. solar cells and renewable energy, nuclear astrophysics, medical imaging, and environmental monitoring.
  • Simulated and modeled electrical components for design software, hardware and production analysis.
  • Optimized the work flow and process of new imaging components, reducing defects by automation.
  • Electronics-hardware experiments for harsh environments (EMI, EMC, humidity, temperature, pressure, etc.), writing of experimental test protocols and operation procedures, and instruction of product tester employees.
  • Failure analysis of physical defects by optical and electron microscopy, SEM, EDS, EBIC, DLTS.
  • Analyzed sensor data using embedded software ML algorithms, for precise actuator feedback control loops.
  • Developed power electronics for actuators such as AC/DC servo-motors, relays, and for temperature or frequency control.
  • Embedded software programs with C/C++, Java, Python, LabView, Matlab/Simulink.

President,
Latin Dance Club of Robert College
Robert Kolej, Arnavutköy, İstanbul, Türkiye
Eylül 2006 – Haziran 2009

  • Have taken charge of the most important responsibility of this club, which exists for the benefit of young students.
  • Assisted in the instruction of Latin Dance techniques to the members.

EDUCATION

Electrical Engineering, Doctor of Philosopy (PhD)
GPA: 3.71/4.00
December 2016
University of South Carolina
Columbia, SC, United States of America

Electrical Engineering, Bachelor of Science (B.Sc.)
Magna cum laude
GPA: 3.78/4.00
May 2013
University of South Carolina
Columbia, SC, United States of America

Diploma, Mathematics & Sciences
June 2009
Robert College
Arnavutköy, İstanbul, Türkiye (Turkey)

LANGUAGES

Native proficiency: Turkish (Türkçe), English
Intermediate proficiency: French (Français)

ACADEMIC HONORS & AWARDS

Outstanding Resarch Assistant Award
(Out of 90 grad. students department-wide)
April 2015
Presented by the Department of Electrical Engineering,
University of South Carolina
Columbia, SC, United States of America

SPARC Graduate Research Fellowship
(Out of 200 select graduate students university-wide)
May 2014
Presented by the Office of Vice President of Research,
University of South Carolina
Columbia, SC, United States of America

Outstanding Senior Award
(Out of all graduating undergraduate students university-wide)
April 2013
Presented by the Office of Student Life, via the President of the University,
University of South Carolina
Columbia, SC, United States of America

Magellan Undergraduate Research Fellowship
(Out of 1000 select undergraduate students university-wide)

May 2012
Presented by the Office of Vice President of Research,

University of South Carolina
Columbia, SC, United States of America

Friends of International Students Scholarship
(Out of all international undergraduate and graduate students university-wide)

January 2012
Presented by the International Student Services,

University of South Carolina
Columbia, SC, United States of America

Ranked in the 99th percentile of the National University Entrance Exam (2009), taken by over 1,350,000 students in Turkey.
(Out of all candidates for university admission in Turkey, country-wide)

July 2009
Issued by Council of Higher Education of the Turkish Republic (T.C. YÖK),

Robert College
Arnavutköy, İstanbul, Türkiye
(Turkey)

12 technical research papers published – Nature, IEEE Transactions in Nuclear Science, SPIE Proceedings, ECS-Journal of Solid State Science and Technology.

Professional Memberships: IEEE, SPIE, American Physical Society, Tau Beta Pi, Eta Kappa Nu (HKN).

SCIENTIFIC PUBLICATIONS

  1. Daniel G. Chica, Yihui He, Kyle M. McCall, Duck Young Chung, Rahmi O. Pak, Giancarlo Trimarchi, Zhifu Liu, Patrick M. DeLurgio, Bruce W. Wessels, and Mercouri G. Kanatzidis, “Direct Thermal Neutron Detection by the 2D Semiconductor 6LiInP2Se6,” Nature, 577, 346-349, 2020.
  2. (NOT PUBLISHED) Duck Young Chung, Yihui He, Wenwen Lin, Rahmi O. Pak, and Mercouri G. Kanatzidis,“Enhanced detection performance of perovskite semiconductor CsPbBr3 by material optimization,” SPIE Proc., 10762-40, 2018.
  3. Rahmi O. Pak and Krishna C. Mandal, “Defect Levels in Nuclear Detector Grade Cd0.9Zn0.1Te Crystals,” ECS Journal of Solid State Science and Technology, 5, P3037-P3040, 2016.
  4. Rahmi O. Pak, Khai V. Nguyen, Cihan Oner, Mohammad A. Mannan, and Krishna C. Mandal, “Defect characterization of Cd0.9Zn0.1Te crystals using electron beam induced current (EBIC) imaging and thermally stimulated current (TSC) measurements,” SPIE Proc., 9593, 95931J1-1-95931J1-8, 2015.
  5. Rahmi O. Pak, Khai V. Nguyen, Cihan Oner, Towhid Chowdhury, and Krishna C. Mandal, “Characterization of Cd0.9Zn0.1Te Single Crystals for Radiation Detectors,” IEEE Conf. Record, R3A-39, 7 pages, 2015.
  6. Cihan Oner, Towhid A. Chowdhury, Rahmi O. Pak, and Krishna C. Mandal, “Improved radiation detectors on 4H-SiC epilayers by edge termination,” SPIE Proc., 9968, 99680M-1-99680M-6, 2016.
  7. Mohammad A. Mannan, Khai V. Nguyen, Rahmi O. Pak, Cihan Oner, and Krishna C. Mandal, “Deep Levels in n-Type 4H-Silicon Carbide Epitaxial Layers Investigated by Deep Level Transient Spectroscopy and Isochronal Annealing Studies,” IEEE Transactions on Nuclear Science, 63, 1083-1090, 2016.
  8. Mohammad A. Mannan, Khai V. Nguyen, Rahmi Pak, Cihan Oner, and Krishna C. Mandal, “Surface passivation and isochronal annealing studies on n-type 4H-SiC epitaxial layer,” SPIE Proc. 9593, 95931H-195931H-11, 2015.
  9. Khai V. Nguyen, Rahmi O. Pak, Cihan Oner, Mohammad A. Mannan, and Krishna C. Mandal, “High-barrier Schottky contact on n-type 4H-SiC epitaxial layer and studies of defect levels by deep level transient spectroscopy (DLTS),” SPIE Proc., 9593, 95930I-195930I-8, 2015.
  10. Cihan Oner, Khai V. Nguyen, Rahmi O. Pak, Mohammad A. Mannan, and Krishna C. Mandal, “Investigation of thermally evaporated high resistive B-doped amorphous selenium alloy films and metal contact studies,” SPIE Proc., 9593, 95931I-195931I-11, 2015.
  11. Cihan Oner, Khai V. Nguyen, Rahmi O. Pak, Towhid Chowdhury, and Krishna C. Mandal, “Investigation of Metal Contacts on High-Resistivity Large-Area Amorphous Selenium Alloy Films,” IEEE 2015 Medical Imaging Conference, Nuclear Science Symposium on Room Temperature Semiconductor X- and Gamma-ray Detectors, Oct. 31–Nov. 07, San Diego, California, IEEE Conf. Record, R3A-41, 6 pages, 2015.
  12. Sandeep K. Chaudhuri, Khai Nguyen, Rahmi O. Pak, Liviu Matei, Vladimir Buliga, Michael Groza, Arnold Burger, and Krishna C. Mandal, “Large Area Cd0.9Zn0.1Te Pixelated Detector: Fabrication and Characterization,” IEEE Transactions on Nuclear Science, 61,793-798, 2014.
  13. Krishna C. Mandal, Ramesh M. Krishna, Rahmi O. Pak, and Mohammad A. Mannan,  “Characterization of high-resistivity CdTe and Cd0.9Zn0.1Te crystals grown by Bridgman method for radiation detector applications,” SPIE Proc., 9213, 92131L-1-9, 2014.