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Current Members:
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 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.
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.
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'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 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:
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.
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.
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.
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