Group Members of Paul R. Berger, Professor

Note: Currently looking for new graduate students. Openings for Ph.D. and Master's thesis graduate students and undergraduate researchers. See ECE Graduate Studies and Application Process.

Group Leader

  1. Prof. Paul R. Berger.
    • More complete information on Prof. Berger can be found in the opening pages of this website.

Current Technical Staff Members

  1. Ms. Aimee L. Bross.
    • Ms. Bross commenced September 12, 2005 as the new Electron Beam Lithography Engineer for the OSU Nanoscale Patterning Laboratory.
    • Ms. Bross joins us from TriQuint Semiconductor in Texas where she was also an EBL Engineer since January 2001.
    • Prior to joining TriQuint, Ms. Bross received her BS in Chemistry from Pennsylvania State University.

Current Ph.D. Students

  1. Woo-Jun Yoon.
    • Received his B.S. and an M.S. in Metallurgical Engineering from Korea University.
    • Completed his M.S.E. (May 2006) in our group on polymer optoelectronics (see below).
    • Ph.D. Qualifying Exam was waived.
    • Currently studying polymer electronics and molecular electronics.

  2. Si-Young Park.
    • Received his B.S.E.C.E. from Ohio State University.
    • Completed his M.S.E. (June 2006) in our group on plasma processing issues of Si-based nanoelectronics (see below).
    • Passed his Ph.D. Qualifying Exam (Summer 2007).
    • Currently studying Si/SiGe electronics for mixed-signal, mm-wave sensing and quantum dot nanoswitches.

  3. Ms. Anisha Ramesh.
    • She completed her Masters in Electrical Engineering specializing in Microelectronics at the Indian Institute of Technology, Bombay, India.
    • Arrived from India September 2006 pursuing her Ph.D. degree in ECE.
    • Supported initially by an OSU University Fellowship.
    • Recently passed her Ph.D. Qualifying Exam (November 2007).
    • Working on nanoelectronic devices, including tunneling based systems, along with circuit modeling using these structures.

Current Master's Thesis - Pre-Qual Ph.D. Students

  1. There are currently no Masters/Pre-Qual Graduate Students.

Current Co-Advised Graduate Students

  1. Edward D. Herderick (Materials Science)
    • Principle Advisor: Prof Nitin Padture in Materials Science.
    • Ed is pursuing a combined BS/MS program in the area of nanowire synthesis.

Current Academic-Advised Only Graduate Students

  1. There are currently no Academic-Advised Graduate Students.

Current Independent Study Graduate Students

  1. There are currently no Independent Study Graduate Students.

New Incoming Graduate Students

  1. None.

Current Undergraduate Researchers

  1. Eshar Ben Dor (ECE Sophomore) (Summer 2007 to present)
    • Working on electron beam lithography.

Current High School Researchers

  1. There are currently no high school researchers during the academic year.

Former Ph.D. Students

  1. Ronghua Yu (Physics). Final Defense on August 30, 2007.
    • Dissertation: "Phonon-Assisted Tunneling in Silicon/Silicon-Germanium Resonant Interband Tunn Diodes"
      • Studied low-temperature phonon spectra of Si/SiGe RITDs
      • Studied low resistance ohmic contact schemes
      • Performed modeling and analysis.
    • Joined group July 2002 from Physics Department.

  2. Sung-Yong Chung. Final Defense on October 27, 2005.
    • Dissertation: "Si/SiGe Heterostructures: Materials, Physics, Quantum Functional Devices and Their Integration with Heterostructure Bipolar Transistors"
      • Identified the deep levels systemic to low temperature molecular beam epitaxy (LT-MBE) of Si/SiGe
      • Demonstrated the annihilation of vacancy-related defects during post-growth rapid thermal annealing. Correlated the suppression of defects with the reduction of excess current in Si-based resonant interband tunnel diodes (RITD).
      • First demonstration of a Si-based RITD monolithically integrated with a Si/SiGe heterojunction bipolar transistor (HBT). Demonstrated the RITD-HBT tandem as enabling a 3-terminal negative differential resistance (NDR) device with adjustable peaqk-to-valley current ratio (PVCR). The RITD-HBT tandem also was demonstrated as a switching element.
    • Received his B.S.E.E. from Korea University.
    • Completed Master's thesis on Si-based resonant interband tunneling diodes (Summer 2002).
    • Finalist for Best Student Paper award at the 2003 International Electron Devices Meeting.
    • Finalist for Best Student Paper award at the 2005 International Semiconductor Device Research Symposium.
    • Began at Spansion (a spin-off of AMD specializing in memory) in November 2005 working on non-volatile memory.
    • Can be reached by email at sung-yong.chung@spansion.com.

  3. Ms. Yifan Xu. Final Defense on August 2, 2005.
    • Dissertation: "Studies on Field Effect Transistors with Conjugated Polymers and High Permittivity Gate Dielectrics Using Pulsed Plasma Polymerization"
      • Developed the usage of pulsed plasma polymerized dielectrics that are suitable for flexible polymer field effect transistors. PPP films were demonstrated to have permittivities as high as 7-10.
      • Examined the effects of varying channel lengths on polythiophene PFETs and showed that at short channel lengths that the high longitudinal field acts to increase mobility.
      • Developed a photosensitive PFET using the terpolymer BAS-PPE.
    • Born in Changsha, China
    • Received her B.S. in Materials Science and Engineering from Tianjin University in 1997.
    • Completed Master's thesis on polymer electronics (Fall 2002).
    • Currently working at Global Communication Semiconductors as a Process Engineer.
    • Can be reached by email at xuyf74@yahoo.com.

  4. Niu Jin. Final Defense on August 29, 2004.
    • Dissertation: "Si-Based Quantum Functional Tunneling Devices and Their Applications to Logic and Other Future Circuit Topologies"
      • Integrated two Si-based tunnel back-to-back to provide for symmetrical negative differential resistance (NDR) regions.
      • Co-invented a Si-based interband tunnel diode with an added SiGe cladding region to suppress B outdiffusion and lead to an elevated thermal budget for processing.
      • Achieved the world record high current density in an interband Si-based tunnel diode with over a 150 kA/cm2.
      • Vertically integrated two Si-based tunnel diodes and fashioned a tri-state logic element exploiting the multiple NDR regions.
      • Demonstrated a high tolerence to radiation damage and suitability for harsh environments for Si-based interband tunnel diodes.
      • Developed self-aligned quantum dots.
    • Transferred from the University of Delaware (Fall 2000).
    • Completed Master's thesis on Si-based resonant interband tunneling diodes (Fall 2001).
    • In October 2004, Dr. Jin commenced as a post-doctoral researcher at the University of Illinois at Urbana-Champaign under Professor Ilesanmi Adesida.
    • Began at National Semiconductor in March 2007 working as a modeling engineer.
    • Can be reached by email at Niu.Jin@nsc.com.

  5. Sean L. Rommel. Final Defense on December 10, 1999.
    • Dissertation: "Si-Based Tunnel Diodes for Integrated Circuit Applications."
      • Modeled MSM photodiodes by extracting equivalent circuit. models using HP/EESOF Libra software from measured high frequency S-parameter data.
      • Implementation of VCSEL/MSM/DOE optical I/O buses within an SRAM memory cell.
      • Performed ohmic contact study and tunnel diode study on Group IV materials.
      • Co-inventor of the world's first Si-based resonant interband tunneling diode.
    • Winner of the Laird Fellowship (1997).
    • Winner of the University's Excellence-in-Teaching Teaching Assistant Award (2000).
    • Winner of Allan P. Colburn Prize for Best Dissertation in Engineering and Mathematical Sciences (2000).
    • Worked as a Post-doctoral Researcher (2000-2002) at the University of Illinois at Urbana-Champaign under Professor Ilesanmi Adesida.
    • Commenced July 2002 as an Assistant Professor at Rochester Institute of Technology in their Microelectronics Engineering Department.
    • In 2008, Prof. Rommel was promoted to an Associate Professor at RIT.
    • Can be reached via email at slrommel@ieee.org.

  6. Ms. Xiaoping Shao. Final Defense on September 23, 1997.
    • Dissertation: "Structural and Electrical Characteristics of SiGeC and GeC Alloys and their Application to Optical Detectors."
      • Characterized low resistance ohmic contacts to GeC alloys.
      • First demonstration of rectification in p-GeC/n-Si diodes with low turn-on voltage and photoresponsivity.
      • First demonstration of 1.3 micron photoresponsivity from GeC photodiodes.
    • Joined Intel in Oregon as a Senior Process Engineer in Sort/Test Technology Development.
    • Can be reached at Intel by phone at (503) 613-8863.

  7. Al-Sameen Tewfik Khan. Final Defense on October 3, 1996.
    • Dissertation: "Photoluminescence and Process Issues of SiGeCSn Alloys."
      • First demonstration of band edge PL from SiSn alloy.
      • First demonstration of band edge PL from GeC alloy.
      • Etching properties of SiGeC alloys.
    • Currently employed as a Full Professor in the Physics Department at Delaware State University.
    • Dr. Khan is continuing to collaborate on a variety of research topics related to his Ph.D. thesis.
    • Can be reached at work at (302) 857-6655.

  8. Wei Gao. Final Defense on September 5, 1995.
    • Dissertation: "Studies of High Performance InGaAs Metal-Semiconductor-Metal Photodiodes."
      • High quality InGaAs grown by rare earth doping of liquid phase epitaxial melts.
      • Schottky barrier heights of transparent conductors on InAlAs.
      • High responsivity InGaAs MSM photodiodes using transparent conductors as the electrodes.
    • Joined Lasertron, Inc. (9/11/95) in Burlington, MA as a Senior Engineer working on the manufacture of 980 nm pump laser diodes for Er-doped fiber amplifiers which are utilized in long distance fiber optic communications systems.
    • Joined Multiplex, Inc. (Summer 1998) in South Plainfield, NJ working on laser diodes.
    • Joined Nortel Networks Optoelectronics Division (Summer 1999) in Billerica, MA.
    • Most recently, Dr. Gao is President/CEO of a new company called Axcel Photonics, Inc. in Marlborough, MA (Summer 2000). Read a recent interview with Dr. Gao about Axcel at Global Executive Forum

Former Master's Thesis Students

  1. Si-Young Park. Completed thesis June 2006.
    • Master's thesis: "Inductively-Coupled Plasma Reactive Ion Etching with HBr and Other Etch Chemistries of Si/SiGe-based Resonant Interband Tunnel Diodes Grown by Low Temperature Molecular Beam Epitaxy."
    • Received his B.S.E.C.E. from Ohio State University.
    • Completed his M.S.E. in our group on plasma processing issues of Si-based nanoelectronics (see below).
    • Completed his studies and is currently pursuing a Ph.D. on Si/SiGe electronics for mixed-signal, mm-wave sensing and quantum dot nanoswitches.

  2. Woo-Jun Yoon. Completed thesis May 2006.
    • Master's thesis: "Enhanced Light Emission Using Thin Metal-Halide Cathodic Interlayers for Improved Electron Injection into MEH-PPV Polymer Light Emitting Diodes."
    • Received his B.S. and an M.S. in Metallurgical Engineering from Korea University.
    • Completed his studies and is currently pursuing a Ph.D. on polymer electronics and molecular electronics (see above).

  3. Sandro J. Di Giacomo. Completed thesis June 2005.
    • Master's thesis: "Development of SiGe-Based Quantum Dots for Nanoelectronic Device Applications."
    • Received his B.S.E.E. from University of Delaware during which he performed undergraduate research in my group, also at Delaware.
    • Joined Northrop-Grumman for 1-year before matriculating into the graduate program at Ohio State University.
    • Rejoined Northrop-Grumman (Baltimore area), effective July 2005, in their research department.

  4. Anthony T. Rice. Completed thesis March 2003.
    • Master's thesis: "Low Current Density and Large Voltage Swing Si-based Resonant Interband Tunneling Diodes for Tunneling-based SRAM Memory."
    • Joined Battelle Memorial as a Researcher in the Systems Analysis and Engineering group. in Sort/Test Technology Development.
    • Can be reached by email at Battelle Memorial Institute (Columbus, OH).

  5. Ms. Yifan Xu. Completed thesis December 2002.
    • Master's thesis "C-V Characterization Of Pulsed Plasma Polymerized Allylamine Dielectrics".
    • Yifan Xu was born in Changsha, China and lived there till she went to college.
    • Yifan Xu received the B.S.E. degree in Material Science and Engineering in 1997 from Tianjin University.
    • Completed her studies and also completed a Ph.D. on polymer electronics and photonics (see above).

  6. Sung-Yong Chung. Completed thesis September 2002.
    • Master's thesis "Deep-levels and their Attribution to the Elevated Valley Current of Si-based RITDs Grown by Low Temperature Molecular Beam Epitaxy".
    • Sung-Yong Chung was born in 1973 in Masan, Korea.
    • He received the B.S.E degree in the Department of Material and Metallurgical Engineering in 1999 from Korea University in Seoul, Korea.
    • In 1999, he worked for a SK global Ltd. In the following year, he stayed at Korea Institute of Science and Engineering as an associate researcher.
    • Completed his studies and also completed a Ph.D. on nanoelectronics (see above).

  7. Niu Jin. Completed thesis December 2001.
    • Master's thesis "Si-based PNP Resonant Interband Tunneling Diodes for CMOS Integration".
    • Transferred from the University of Delaware (Fall 2000).
    • Continued his studies and also completed a Ph.D. on nanoelectronics (see above).

  8. John-Michael Taylor. Completed thesis April 1999.
    • Master's Thesis: "CVD Growth of Nitrides Using Novel Organometallic Precursors."
    • Joined Naval Surface Warfare Center, Carderock Division in Philadelphia.
    • Can be reached at work at (215) 897-8244.

  9. Hao Feng. Completed thesis March 1998.
    • Master's Thesis: "Studies of Boron Diffusion and Ohmic Contacts in SiGeC Alloys Grown by MBE."
    • Joined Hughes in Baltimore, MD.

  10. Michael McCarthy. Completed thesis November, 1996.
    • Master's Thesis: "Studies of Embedded Electrode GaAs Metal-Semiconductor-Metal Photodiodes."
    • Currently working as an engineer at AMD in Austin, TX.

Former Academic-Advised Only Graduate Students

  1. Ms. Lyndsay Benedict (Non-thesis Master's) Final presentation May 4, 2007.
    • Master's Thesis: Part A: "Women in Engineering and the Benefits of Undergraduate Research"

  2. :Ms. Shumaila Afzal (Non-thesis Master's) Final presentation May 12, 2006.
    • Received her B.S.E.E. from Louisiana State.
    • Successfully completed a non-thesis Master's degree with the topic "Bulk Heterojunction Organic Solar Cells: Synthesis and a Review of the State-of-the-Art."
    • Will commence in mid-June 2006 at Micron in Manassas, VA.

Former Undergraduate Researchers

  1. John Mergo (Physics, Sophomore) (Summer 2006 to Spring 2008)
    • Working on polymer semiconductor devices.

  2. Dan Twaddell (ECE Senior) (Summer 2007 to Spring 2008)
    • Working on Si/SiGe nanoelectronics.

  3. Ms. Lijen Wang (ECE Senior) (Summer 2006 - Fall 2006, Fall 2007)
    • Working on polymer semiconductor devices.

  4. Jeffrey W. Daulton (Senior). (Summer 2004 - Spring 2007)
    • Supported by an Research Experiences for Undergraduates (REU).
    • Participated in Denman Undergraduate Research Forum (2005 & 2006).
    • Studies in imprint lithography.
    • Studies in electroactive polymer optoelectronic device encapsulation.
    • Studies in wafer bonding for Si nanoelectronics.
    • Graduated with a BSE in EE (June 2007).
    • Presently, working at Cree on wide bandgap FETs.

  5. Ms. Sheena O. Anum (Senior) (Fall 2005 to Fall 2006)
    • Working on polymer semiconductor devices with an emphasis towards nanoengineering of polymer solar cells.
    • Graduated with a BSE in EE (December 2006).

  6. Robert L. Olmon (Senior) (Summer 2005)
    • Supported by an Research Experiences for Undergraduates (REU).
    • Worked on electroactive polymer optoelectronic devices and processing.
    • Graduated with a BSE in EE (June 2006).
    • Presently, pursuing a Ph.D. at the University of Washington (commenced Fall 2006).

  7. Timothy R. Garcia (Senior). (Summer 2004, Summer 2005)
    • Supported by an Research Experiences for Undergraduates (REU).
    • Began with studies in wafer bonding for Si nanoelectronics.
    • Worked on electroactive polymer optoelectronic devices and processing.

  8. Scott B. Orlove (Senior). (Winter 2003 - Spring 2005)
    • Supported by an NSF Research Experiences for Undergraduates (REU).
    • Participated in Denman Undergraduate Research Forum (2004).
    • Started after his sophomore year.
    • Helped set up new equipment and new experimental setups.
    • Worked on electroactive polymer optoelectronic devices and processing.
    • Graduated in June 2005.
    • Working at Northrop-Grumman Electronic Systemsin Linthicum, MD since 2005, working in RF Antenna System Products on MMIC design..
    • Presently, attending Johns Hopkins part-tiem pursuing a Masters, expected completion December 2007.

  9. Ms. Sita M. Asar (Junior/Senior). (Summmer 2003 - Summer 2004)
    • Started after her sophomore year.
    • Worked on polymeric devices and processing.
    • Sita came to us from the OSU Physics Department.
    • Supported by an NSF Research Experiences for Undergraduates (REU).
    • Participated in Denman Undergraduate Research Forum (2005).
    • Graduated in June 2005.
    • Currently working at Ashland Chemical on the testing of new materials.

  10. Eric X. Wang (Junior). (Summer 2003 - Summer 2004)
    • Helping set up new equipment and new experimental setups.
    • Working on polymeric devices and processing.
    • Supported by an Research Experiences for Undergraduates (REU).
    • Due to graduate OSU in June 2006. He will enter the Master of Engineering Management Program at Duke University in Autumn 2006.

  11. Benjamin D. Przybyla (Senior). (Summer 2004)
    • Studies in electroactive polymer electronics.
    • Supported by an Research Experiences for Undergraduates (REU).
    • Graduated in March 2005.
    • Commenced as an Engineer for Micron (Manassas, VA) in their Chemical Vapor Deposition group.

  12. Ms. Tricia Bull. (Autumn 2003 - Summer 2004)
    • Worked on polymeric solar cells.
    • Tricia came to us as from the Materials Science and Engineering Department.
    • Graduated in June 2004.
    • Entered graduate school at the University of Washington pursuing her Ph.D. degree (Fall 2005).

  13. Roux M. Heyns (Senior). (Summer 2002, Spring 2003 - Spring 2004)
    • Started after his sophomore year and graduated with his BSE in ECE (June 2004).
    • Helped set up new equipment and new experimental setups.
    • Worked on polymeric devices and processing.
    • Supported by an NSF REU during Summer 2002.
    • EE 693 (Spring 2003)- Individual Studies (1 credit hour)
    • He is currently pursuing a Master's degree in electrical engineering at UCLA (since Fall 2004).
    • Mr. Heyns is currently employed as an electrical engineer for Lockheed Martin Corporation, Advanced Technology Center, Palo Alto, CA.
    • Can also be reached at Lockheed by email: roux.m.heyns@lmco.com, or by phone: (650) 424-3059 `

  14. Ryan E. Pavlovicz (Senior). (Summer 2002, Winter 2003 - Spring 2004)
    • Started after his sophomore year.
    • Helping set up new equipment and new experimental setups.
    • Worked on Si/SiGe devices and processing.
    • Supported by an NSF REU.
    • Graduated June 2004.
    • Worked at the OSU Electroscience Laboratory as a staff member starting June 2004.
    • Currently pursuing an MSE degree at Ohio State's Biomedical Engineering Department.

  15. Ms. Ling F. Kho (Senior). (Winter 2003 - Spring 2004)
    • Helping set up new equipment and new experimental setups.
    • Working on polymeric devices and processing.
    • Supported by an NSF REU.
    • Graduated June 2004.
    • Entered medical school in London, England (September 2004).

  16. Ms. Fatema Motiwala (Junior). (Summer 2002, Summer 2003 - Autumn 2003)
    • EE 693 (Summer 2002)- Individual Studies (3 credit hours)
    • Helping set up new equipment and new experimental setups.
    • Working on polymeric devices and processing.
    • Whereabouts unknown.

  17. Ms. Jennifer E. Washco. (Summer 2003)
    • Helped set up new equipment and new experimental setups.
    • Worked on polymeric devices and processing.
    • Supported by an NSF REU.
    • Whereabouts unknown.

  18. Mark Zimmerman (Physics, Junior). (Summer 2003)
    • Helped set up new equipment and new experimental setups.
    • Investigated low resistance ohmic contacts.
    • Mark came to us from Miami University via the OSU Physics REU Site sponsored by the NSF.
    • Whereabouts unknown.

  19. McHughson D. Chambers (Junior). (Summer 2002, Spring 2003)
    • Helping set up new equipment and new experimental setups.
    • Developing flexible polymeric electronics and patterning methods.
    • EE 693 (Spring 2003)- Individual Studies (1 credit hour)
    • Whereabouts unknown.

  20. Matthew T. Williams. (Winter 2003)
    • Helping set up new equipment and new experimental setups.
    • Independent Study (Winter 2003)- 6 credit hours.
    • Graduated Winter 2003 with his bachelor's degree.
    • Currently working at Wright-Patterson AFB.

  21. Phuong Phan. (Winter 2003)
    • Helping set up new equipment and new experimental setups.
    • Independent Study (Winter 2003)- 3 credit hours.

  22. Anson C. Wooten (Senior). (Summer 2002)
    • EE 693 (Summer 2002)- Individual Studies (3 credit hours)
    • Helped set up new equipment and new experimental setups.
    • Whereabouts unknown.

  23. Jonathan Fan (Princeton, Junior). (Summer 2002)
    • Helped set up new equipment and new experimental setups.
    • Graduated from Princeton in EE and entered the Ph.D. program at Harvard under Federico Capasso.

  24. Nathan Triplett (Physics, Junior). (Summer 2002)
    • Helped set up new equipment and new experimental setups.
    • Whereabouts unknown.

  25. Nathan Eggan (Senior). (Spring 2002)
    • Helped set up new equipment and new experimental setups.
    • Graduated in 2002.
    • Whereabouts unknown.

  26. Ian N. Barford (Senior). (Spring 2002)
    • EE 693 - Individual Studies (3 credit hours)
    • Helped set up new equipment and new experimental setups.
    • Graduated in 2002.
    • Whereabouts unknown.

  27. Ashwin S. Raghavan (Sophomore). (Winter 2002)
    • Helped set up new equipment and new experimental setups.
    • Whereabouts unknown.

  28. Ms. Inge Tansu . Senior (Spring & Summer 2001)
    • CAD work for photomask design.
    • Graduated in 2002 with BSE and continued at Ohio State also completing her MSE degree.
    • Whereabouts unknown.

  29. Sandro Di Giacomo. Sophomore (Summer 1999, Winter 2000 - Summer 2000)
    • Developing Si-based resonant interband tunneling diodes.
    • Recipient of a Science and Engineering Scholars award (2000).
    • Graduated in 2002, worked at Northrop-Grumman while attending graduate school at Johns Hopkins.
    • Re-joined our group in 2003 and received a Master's degree in June 2005 (see above).
    • Returned to Northrop-Grumman in Summer 2005.

  30. Bryan Cord. Sophomore (Winter 2000 - Summer 2000)
    • Developing Si-based resonant interband tunneling diodes.
    • Recipient of a Science and Engineering Scholars award (2000).
    • Graduated in 2002 and is now attending graduate school at MIT.
    • Whereabouts unknown.

  31. Chris D'Imperio. Sophomore (Winter 2000, Summer 2000)
    • Developing Si-based resonant interband tunneling diodes.
    • Investigating organic conducting polymer electronics and displays.
    • Recipient of a Science and Engineering Scholars award (2000).
    • Graduated in 2002.
    • Whereabouts unknown.

  32. Jason Hancock. Sophomore (Winter 2000, Summer 2000)
    • Developing Si-based resonant interband tunneling diodes.
    • Graduated in 2002.
    • Whereabouts unknown.

  33. Jonathan Frey. Sophomore (Spring 2000 - Summer 2000)
    • Developing Si-based resonant interband tunneling diodes.
    • Investigating organic conducting polymer electronics and displays.
    • Whereabouts unknown.

  34. Neil Kirpalani. Sophomore (Winter 2000, Summer 2000)
    • Developed Si-based resonant interband tunneling diodes.
    • Investigated organic conducting polymer electronics and displays.
    • Graduated in 2002.
    • Started work at DuPont (Chestnut Run) in Fall 2005.

  35. Pete Llanso. Sophomore (Winter 2000, Summer 2000)
    • Developing Si-based resonant interband tunneling diodes.
    • Whereabouts unknown.

  36. Joel Banyai. Junior (Summer 1999, Winter 2000)
    • Developing Si-based resonant interband tunneling diodes.
    • Investigating organic conducting polymer electronics and displays.
    • Graduated in 2001.
    • Whereabouts unknown.

  37. Thomas E. Dillon III. Junior (January 97 - Winter 2000)
    • Recipient of a Science and Engineering Scholars award (1997).
    • Modeling Group IV alloy heterostructure devices.
    • Developing Si-based resonant interband tunneling diodes.
    • Investigated organic conducting polymer electronics and displays.
    • Pursuing a Ph.D. degree with Prof. D. Prather at University of Delaware.

  38. Vince Emanuele. Sophomore (Winter 2000)
    • Developing Si-based resonant interband tunneling diodes.
    • Investigating organic conducting polymer electronics and displays.
    • Graduated in 2002.
    • Whereabouts unknown.

  39. Pingsheng "Ken" Hu. Freshman (Winter 2000)
    • Investigated organic conducting polymer electronics and displays.
    • As of April 2005, Ken was working at MBNA and leading a non-profit org, see www.oca-de.org for details.
    • He is also targetting graduate school in Political Science for his longterm career goals, possibly at Harvard.

  40. Rob Henns. Freshman (Winter 2000)
    • Investigating organic conducting polymer electronics and displays.
    • Whereabouts unknown.

  41. Paul T. Tanpitukpongse. (Summer 1998)
    • Full-time biomedical engineering student at Rensselaer Polytechnic Institute
    • Coded programs to streamline and semi-automate data extraction for measuring Si-based resonant interband tunneling diodes.
    • Built a web-based visual walking tour of the semiconductor fabrication facilities.
    • Assisted graduate students.
    • Whereabouts unknown.

  42. Timothy R. Hodson. (Summer 1998)
    • Full-time electrical engineering student at the University of Pennsylvania.
    • Assisted graduate students.
    • Whereabouts unknown.

  43. Brian McMonagle. Senior (January 98 - May 1998)
    • Implementation of VCSEL/MSM/DOE optical I/O buses within an SRAM memory cell.
    • Graduated May 1998 and works for works for Northrop-Grumann in Linthilum, MD.

  44. Richard Doyle. Senior (January 98 - May 1998)
    • Implementation of VCSEL/MSM/DOE optical I/O buses within an SRAM memory cell.
    • Graduated May 1998 and works for W. L. Gore and Associates in Delaware.

  45. David Erby. Senior (June 96 - May 1998).
    • Recipient of a Science and Engineering Scholars award (1996).
    • Modeling MSM photodiodes by extracting equivalent circuit models using HP/EESOF Libra software from measured high frequency S-parameter data with Sean Rommel. Resulted in a refereed conference presentation.
    • Rebuilding thermal evaporator.
    • Repaired electron beam evaporator.
    • Designed and built display cases.
    • CVD Growth of Nitrides Using Novel Organometallic Precursors
    • Organic computational and light emitting structures.
    • Graduated May 1998 and works for Applied Control Engineering in Delaware.
    • Can be reached at work at (302) 998-4040.

  46. Kian-Soon Lee. Senior (Summer 1997).
    • Exchange student from Imperial College in London, England.
    • Rebuild evaporator.
    • Organic computational and light emitting structures.
    • Whereabouts unknown.

  47. Armando Torres. Senior (January 96 - May 1996, Fall 1996).
    • Characterized optical filters.
    • Literature search of oxidation issues of SiGe(C) alloys.
    • Graduated Summer 1998.
    • Whereabouts unknown.

  48. Sean L. Rommel. Senior (January 95 - May 1996).
    • Setup laser diode system donated by ILX Lightwave for demonstrations to be used in ELEG 340.
    • Brought Cadence software (LayoutPlus) online. Generated new MOSFET array mask set for use in ELEG 650 laboratory. Developed a simplified instruction handout on Cadence software for the ELEG 650 class. Taught ELEG 650 lab sections how to use Cadence software.
    • Performed extensive literature search on ohmic contact resistance measurements. Redesigned a more sophisticated mask set based on survey using Cadance software. Mask set produced by external vendor.
    • Continued ohmic contact study of p-doped GeC layers. Resulted in a submitted manuscript for publication in a refereed journal.
    • Graduated May 1996. Entered Ph.D. track in my research group (see above).

  49. David DiBona. Senior (Winter 96).
    • Computer modeling of MSM photodiodes.
    • Graduated May 1996.
    • Joined Andersen Consulting, Philadelphia.
    • Can be reached at (215) 241-7361.

  50. Christopher Hook. Junior (Summer 95).
    • Computerized and automated several experimental setups.
    • Graduated May 1997.
    • Joined Martin-Lockheed in the Valley Forge, PA area.

  51. Chad Wilson. Senior (Fall 94).
    • Completed setup of recently donated e-beam evaporator and made great progress on donated sputtering machine. Demonstrated reliable Au and Ti e-beam depositions.
    • Graduated May 1995 and works for Northrop-Grumann, formerly Westinghouse, in the Active Aperture Module Group in Linthilum, MD.
    • Was working towards his Master's degree at the Johns Hopkins University of Whiting School of Engineering.
    • Wed LeAnne Marie Evans on November 2, 1996.
    • Re-located to the Pacific Northwest by Northrup Grumman.

  52. Dheeraj Bhatra. Sophomore (Fall 94).
    • Continued ohmic contact study to SiGeC alloys.
    • Transferred out of EE Program. Whereabouts unknown.

  53. Christopher M. Whitcoe. Junior, (Summer 94).
    • Recipient of 1994 Science and Engineering Scholars award.
    • Setup donated ellipsometer.
    • Aided computerization of photoluminescence setup. Wrote a program which pulls the data in from an IBM PC file to the SUN workstation, and automatically plots the data in MATLAB, converting the x-axis from time to electron volts and displaying all the pertinent experimental settings used.
    • Graduated May 1996 and hired by Applied Control Engineering in Delaware.
    • Entered MBA program at Delaware in Fall 1996.
    • Married Summer 1998.
    • Joined Worldport as Director of Software Engineering.
    • Can be reached at work at (302) 894-2007.

  54. Truc T. Nguyen. Senior (Summer 94).
    • Initial design and SPICE modeling of a CMOS-based amplifier using MOSIS's 0.6 micron process.
    • Calibrated the stability of the heater used in an image reversal photolith process.
    • Graduated December 1995.
    • Joined National Semiconductor in San Jose, CA.
    • Can be reached at work (408) 721-3357.

  55. Ms. Elizabeth McDonald-Krukosky. Sophomore (Winter 94).
    • Helped setup photodiode responsivity experiment.
    • Eventually graduated with her BS in electrical engineering and commenced work at MBNA thereafter.
    • Currently, cultivating her entrepreneurial spirit by starting her own business with her husband, Joe, also a Delaware EE alumnus.
    • They can be reached at Cool Fire Technologies located in Aberdeen, MD. She can be reached by email at liz@coolfiretech.com.

  56. Vincent Brown. Senior (Fall 93).
    • Designed a simple photomask for TLM ohmic contact measurements.
    • Performed initial ohmic contact measurements to SiGeC alloys.
    • Graduated December 1993. Whereabouts unknown.

  57. Joshua Burrill. (Summer 1993).
    • Exchange student from Imperial College in London, England.
    • Set-up and tested donated C-V software.
    • Calibrated Hall mobility measurement system.
    • As of November 2004, working in London as a medical doctor / radiologist.

Former High School Researchers

  1. Ms. Katie Hua. (Summer 2004)
    • Katie joined us from the Columbus School for Girls where she is working towards her high school diploma.

  2. Ms. Sarah E. Sheldon (H.S.). (Summer 2003)
    • Helped set up new equipment and new experimental setups.
    • Working on polymeric devices and processing.
    • Sarah came to us as a H.S. volunteer from the Columbus Academy.

Former Administrative Asssistants

  1. Ms. Christine Sukarya. (Fall 2004 - Spring 2005)
    • Christine came to us from Indonesia and completed her BS in Accounting (2005).
    • After graduation, she commenced working at Citibank.

  2. Ms. Vidya Gopal. (Fall 2001 - Fall 2004)
    • Vidya came to us from Bangalore, India and completed her MS in Economics (2004).
    • Ms. Gopal worked for the Limited under the Victoria Secret brand.
    • She now resides in Washington, DC with her husband.

Last updated September 20, 2007.

Return to Paul R. Berger's homepage
Send suggestions or comments to pberger@ieee.org.