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J. Carlos Rojo
Assistant Professor
Dept. of Material Science
and Engineering
Stony Brook
University
Stony Brook, NY
11794-2275
Email: jrojo@notes.cc.sunysb.edu
Tel: 631-632-8505
Curriculum
Vitae
Rojo's Research Group
Rojo has been working in the field of crystal growth and characterization of
electronic and optoelectronic materials for 14 years. His work has included processing of single crystal
materials such as mercury-iodide, for gamma radiation detectors, niobates, for non- linear optic devices,
sillenites, for photorefractive applications, aluminum nitride, for fabrication of solid-state semiconductor
devices, and, more recently, nano-structures, thin films, and bulk crystals of GaN and ZnO, with potential
application as functional chemo- and bio-sensors, optoelectronic devices, or catalytic components.
Rojo received his Ph.D. in Physics in 1997 from the Universidad Autonoma de Madrid (UAM), Spain. His doctoral
work was jointly developed at the UAM Laboratory for Crystal Growth and the University of Minnesota Group
for Processing of Advanced Materials, under the supervision of Prof. E. Dieguez and Prof. J.J. Derby,
respectively. Rojo's doctoral dissertation encompassed experimental and numerical modeling results revealing
the correlation between transport phenomena, and morphological and structural features characteristic of
oxide single crystals grown from the melt. After receiving his Ph.D., he worked as a post-doctoral fellow
in the Army High Performance Computing Research Center and the Department of Chemical Engineering and Materials
Science at the University of Minnesota. There, he developed finite element modeling tools to study
three-dimensional fluid dynamics in crystal growth systems under the supervision of Prof. Derby. In 1999 he
joined Crystal IS as a staff researcher, to work on crystal growth of AlN along with his founders, Prof. Leo
Schowalter and Prof. Glen Slack. From 1999 until 2002 Rojo was also appointed research scientist in the
Physics, Applied Physics & Astronomy in the Rensselaer Polytechnic Institute in Troy, NY. At the end of 2002,
he resigned as VP & COO of Crystal IS to become assistant professor in the Materials Science and Engineering
Department at SUNY Stony Brook. He has coauthored 25 publications, one book chapter, and one patent
(with two others pending) in the fields of crystal growth, characterization, and transport phenomena. He
is member of the Sigma Xi Scientific Research Society, the Materials Research Society, the Royal Spanish
Society of Physics, and the American Association for Crystal Growth.
Selected
Publications
X. Hu, J. Deng, N. Pala, R. Gaska, M. S. Shur, C. Q. Chen, J. Yang, G.
Simin, M. A. Khan, J. C. Rojo, L. J. Schowalter. "AlGaN/GaN heterostructure field-effect transistors
on single-crystal bulk AlN". Appl. Phys. Lett. 82 (2003) 1299
R. Gaska, C. Chen, J. Yang, E.
Kuokstis, A. Khan, G. Tamulaitis, I. Yilmaz, M. S. Shur, J. C. Rojo, L. J. Schowalter. "Deep-Ultraviolet
Emission of AlGaN/AlN Quantum Wells on Bulk AlN". Appl. Phys. Lett. 81 (2002) 4658
J. C. Rojo,
L. J. Schowalter, R. Gaska, M. Shur, M. A. Khan, J. Yang, and D. D. Koleske. "Growth and characterization of
epitaxial layers on aluminum nitride substrates prepared from bulk, single crystals". Journal of Crystal Growth
240(2001)508.
J.C. Rojo, and J.J. Derby. "On the formation of rotational spokes patterns
during the Czochralski growth of bismuth silicon oxide". J. Crystal Growth 198/199(1999)154
J.C.
Rojo, C. Marin, J.J. Derby, and E. Dieguez. "Heat transfer and external morphology of Czochralski-grown
sillenite compounds". J. Crystal Growth 183(1998)604|
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