research people contacts members
Current: N. Dietz | M. Alevli | G. Durkaya | R. Atalay | J.-H. Schulze | R. Kirste
Former: V. T. Woods | J. Senawiratne | | M. Strassburg | H. Born


Current Members:
Dr. Nikolaus Dietz

Associate Professor

Contact:ndietz@gsu.edu

N. Dietz obtained BS degrees in Physics and Computer Science from the Technical University Berlin in 1981 and 1984, respectively. In 1988 he obtained his MS in Physics and in 1991 his Dr. ret. nat., both from the Institute of Physics at the Technical University Berlin. He has held industrial positions at BASF Ludwigshafen and Hahn-Meitner-Institute Berlin. 1992, he joined the Department of Materials Science and in 1995 the Department of Physics at North-Carolina State University, Raleigh, focusing on thin film growth of compound semiconductors and real-time optical growth diagnostics. In 2000, he became a member of the faculty in the Department of Physics & Astronomy at Georgia State University. His research interest and expertise includes: growth of novel optoelectronic compound semiconductors, heteroepitaxy of III-V compounds, birefringent chalcopyrite semiconductors, MBE/CBE, OMCVD, high-pressure CVD, process control, real-time optical diagnostics, and the characterization of linear/nonlinear optical materials properties.


Mustafa Alevli (Grad Student)

Ph.D. Student: Growth and characterization of InN layers by high-pressure CVD

Contact:mustafa@phy-astr.gsu.edu

Mustafa focuses to advance our understanding in growth and characterization of InN and indium-rich group III-nitride compound semiconductors. He utilizes a variety of real-time optical growth monitoring techniques to characterize the gas phase and surface growth kinetics under high-pressure MOCVD conditions.


Göksel Durkaya (Grad. Student)

Ph.D. Student / MBD Fellow
   MS Graduation: July. 2005 METU

Former position: R&D Engineer (METU Technopolis - BILKENT Adv. Res. Lab.)
   NanoMagnetic Instruments Ltd.

Contact:goksel@gsu.edu

had BS (2002) and MS (2005) degrees in Physics from Middle East Technical University (METU), Ankara, Turkey. He worked as an R&D engineer in Nanomagnetics Instr. Ltd. from 2002 to 2005. He joined the group August 2005 as a PhD student. He is interested in optical and surface characterization in Physics and Biology.


Ramazan Atalay (Grad. Student)

Ph.D. Student: 2006 - current

Contact:atalay@phy-astr.gsu.edu

had BS (2003) degree in Physics from Middle East Technical University (METU), Ankara, Turkey. He joined the group August 2006 as a PhD student.

Ronny Kirste (Grad. Student)

Exchange student from TU Berlin: July - Sept. 2006
http://www.physik.tu-berlin.de/institute/IFFP/

Contact: rkirste@gmx.de

Ronny's interests are in solid state physics, radiation interaction with matter, and the characterization of physical properties of emerging multifunctional compound semiconductors, which will define the next generations of nonlinear optical/magnetic devices. He is presently completing his M.S. thesis in Physics at TU Berlin.


Jan-Hindrik Schulze (Grad. Student)

Exchange student from TU Berlin: April - July 2008
http://www.ifkp.tu-berlin.de/menue/arbeitsgruppen/ag_hoffmann/home/

Contact: jan.schulze@gmail.com

Jan-Hindrik is currently pursuing his MS-Physics in the Department of Physics at the Technical University Berlin, Germany. His focus is on the characterization of wide badgap semiconductors and on the growth and characterization of group III-nitride compound semiconductors as well. During his stay at the GSU he developed a Labview control program for the HPCVD system and studied the growth of InGaN alloys by HPCVD.


Former members:
Dr. Vincent T. Woods (Ph.D. graduate student (2001 - 2006))

Ph.D. Student (2001 - 2006)
   MS Graduation: Oct. 2004
   PhD Graduation: Mar. 2006

Thesis: HPCVD - a novel approach for the growth of InN: Real-time growth characterization and ex-situ material property analysis

Present position: Senior Research Scientist
   Bellwether Technologies, LLC and GaTech

Contact:vincent.woods@ece.gatech.edu

Vincent's research focused on the development on optimization of a unique high-pressure CVD system for the growth on indium-rich group III-nitride alloys and related materials. During his MS and Ph.D. research he contributed to 18 refereed publications.


Dr. Jayantha Senawiratne (Ph.D. graduate student (2000 - 2006))

Ph.D. Student (2000 - 2006)
   MS Graduation: Aug. 2004
   PhD Graduation: Jan. 2006

Present position: Postdoctoral Researcher
   Rensselaer Polytechnic Institute
   http://www.rpi.edu/futurechips/PEOPLE.html

Contact:senawj@rpi.edu

Jayantha's research focused on the investigation of structural, optical, and optoelectronic properties of group III-nitride semiconductors using micro-Raman, photoluminescence, absorption photoconductivity, and photoluminescence excitation spectroscopy. During his research at GSU, he contributed to 15 refereed publications.


Dr. Martin Strassburg

Postdoctoral Fellow
Alexander von Humboldt Stipendiary
Aug. 2003 - Aug. 2005

Present position: Senior Researcher
    OS T N2 Development Epitaxy
    OSRAM Opto Semiconductors GmbH
    http://www.osram-os.com

Contact:Martin.Strassburg@osram-os.com

Martin's research focused on ferromagnetic nanocomposites and heterostructures based on transition doped group III-nitride compound semiconductors. His research was supported by a 2 year Alexander von Humboldt stipend, which he gratefully acknowledges.


Dr. Harald Born

Postdoctoral Fellow
supported by NASA research program
2003 - 2004

Present position: Senior Scientist
    OpSolution Spectoscopic Systems
    http://opsolution.de/GB.htm

Contact:info@opsolution.de

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