Publications
Books
C. Bayram. III-nitride Optoelectronic Devices: AlGaInN Gap Engineering from Ultraviolet and Visible Wavelengths towards Terahertz Regime; ProQuest, UMI Dissertation Publishing, 2012; ISBN-10: 1249058430; ISBN-13: 978-1249058434.
Book Chapters
C. Bayram, D. K. Sadana, and M. Razeghi, AlGaN-based Intersubband Device Technology. In The Wonder of Nanotechnology: Quantum Optoelectronic Devices and Applications, M. Razeghi. L. Esaki, and K. von Klitzing, Eds., SPIE Press, Bellingham, WA, pp. 175-206 (2013).
Journal Articles
- J. Kim† & C. Bayram† († equal contribution), H. Park, C.-W. Cheng, C. Dimitrakopoulos, J. A. Ott, K. B. Reuter, S. W. Bedell, and D.K. Sadana, “Principle of direct van der Waals epitaxy of single-crystalline films on epitaxial graphene,” Nat. Commun. 5:4836 (2014).
- C. Bayram, J. Ott, K.-T. Shiu, C.-W. Cheng, Y. Zhu, J. Kim, M. Razeghi, and D.K. Sadana, “Cubic Phase GaN on Nano-grooved Si (100) via Maskless Selective Area Epitaxy,” Adv. Funct. Mater. 24 (28), 4492 (2014). (FRONTISPECE COVER ARTICLE)
- S. W. Bedell, C. Bayram, K. Fogel, P. Lauro, J. Kiser, J. Ott, Y. Zhu, and D. Sadana, "Vertical Light-Emitting Diode Fabrication by Controlled Spalling," Applied Physics Express 6 (11), 112301 (2013).
- D. Shahrjerdi, S. W. Bedell, C. Bayram, C. C. Lubguban, K. Fogel, P. Lauro, J. A. Ott, M. Hopstaken, M. Gayeness, and D. Sadana, "Ultra-Light High-Efficiency Flexible InGaP/(In)GaAs Tandem Solar Cells on Plastic," Advanced Energy Materials 3 (5), 566–571 (2013). (INSIDE COVER ARTICLE)
- Y. Zhang, S. Gautier, C.-Y. Cho, E. Cicek, Z. Vashaei, R. McClintock, C.Bayram, Y. Bai, and M. Razeghi, "Near Miliwatt Power AlGaN-based Ultraviolet Light Emitting Diodes based on Lateral Epitaxial Overgrowth of AlN on Si(111)," Applied Physics Letters 102, 011106 (2013).
- D. Shahrjerdi, S. W. Bedell, C. Ebert, C. Bayram, B. Hekmatshoar, K. Fogel, P. Lauro, M. Gaynes, T. Gokmen, J. Ott, and D. K. Sadana, "High-Efficiency Thin- Film InGaP/InGaAs/Ge Tandem Solar Cells Enabled By Controlled Spalling Technology," Applied Physics Letters 100, 053901 (2012). (TOP 20 Most Downloaded Articles) (EDITOR’S PICK 2012)
- C. Bayram, "High quality AlGaN/GaN superlattices for near- and mid-infrared intersubband transitions," Journal of Applied Physics 111, 013514 (2012).
- C. Bayram, Z. Vashaei, and M. Razeghi, "Reliability in room-temperature negative differential resistance characteristics of low-aluminium-content AlGaN/GaN double-barrier resonant tunneling diodes," Applied Physics Letters 97, 181109 (2010).
- Z. Vashaei, C. Bayram, P. Lavenus, and M. Razeghi. “Photoluminescence characteristics of polar and nonpolar AlGaN/GaN superlattices,” Applied Physics Letters 97, 121918 (2010).
- C. Bayram, Z. Vashaei, and M. Razeghi, “Room temperature negative differential resistance characteristics of polar III-nitride resonant tunneling diodes,” Applied Physics Letters 97, 092104 (2010).
- E. Cicek, Z. Vashaei, R. McClintock, C. Bayram, and M. Razeghi, "Geiger-mode operation of ultraviolet avalanche photodiodes grown on sapphire and free- standing GaN substrates," Applied Physics Letters 96, 261107 (2010).
- Z. Vashaei, E. Cicek, C. Bayram, R. McClintock, and M. Razeghi, "GaN avalanche photodiodes grown on m-plane freestanding GaN substrate," Applied Physics Letters 96, 201908 (2010).
- Z. Vashaei, C. Bayram, and M. Razeghi, “Demonstration of negative differential resistance in GaN/AlN resonant tunneling diodes at room temperature,” Journal of Applied Physics 107, 083505 (2010).
- C. Bayram, Z. Vashaei, and M. Razeghi, “AlN/GaN double-barrier resonant tunneling diodes grown by metal-organic chemical vapor deposition,” Applied Physics Letters 96, 042103 (2010).
- C. Bayram, N. Péré-Laperne, and M. Razeghi, “Effects of well width and growth temperature on optical and structural characteristics of AlN/GaN superlattices grown by metal-organic chemical vapor deposition,” Applied Physics Letters 95, 201906 (2009).
- N. Péré-Laperne, C. Bayram, L. Nguyen-Thê, R. McClintock, and M. Razeghi, "Tunability of Intersubband absorption from 4.5 to 5.3 µm in a GaN/Al0.2Ga0.8N superlattices grown by metalorganic chemical vapor deposition," Applied Physics Letters 95, 131109 (2009).
- Bayram and M. Razeghi, "ULTRAVIOLET DETECTORS: Nitrides push performance of UV photodiodes," Laser Focus World 45(9), p. 47-51 (2009).
- C. Bayram, D. Rogers, F. H. Teherani, and M. Razeghi, "Fabrication and Characterization of Novel Hybrid Green LEDs Based on Substituting n-type ZnO for n-type GaN in an Inverted p-n Junction," Journal of Vacuum Science and Technology B 27, 1784 (2009).
- V. E. Sandana, D. J. Rogers, F. H. Teherani, R. McClintock, C.Bayram, M. Razeghi, H.-J. Drouhin, M.C. Clochard, V. Sallet, G. Garry, and F. Falyouni, "Comparison of ZnO Nanostructures Grown Using pulsed layer deposition, metalorganic chemical vapor deposition, and physical vapor transport", Journal of Vacuum Science and Technology B 27, 1678 (2009).
- C. Bayram, N. Péré-laperne, R. McClintock, B. Fain and M. Razeghi, "Pulsed Metalorganic Chemical Vapor Deposition of High Quality AlN/GaN Superlattices for Near-Infrared Intersubband Transitions," Applied Physics Letters 94, 121902 (2009).
- C. Bayram and M. Razeghi, "Stranski-Krastanov growth of InGaN quantum dots emitting in green spectra," Applied Physics A: Materials Science & Processing 96, 403 (2009).
- C. Bayram, J. L. Pau, R. McClintock, and M. Razeghi, "Comprehensive study of blue and green multi-quantum-well light emitting diodes grown on conventional and lateral epitaxial overgrowth GaN," Applied Physics B: Lasers and Optics 95,307 (2009).
- J. L. Pau, C. Bayram, P. Giedraitis, R. McClintock, and M. Razeghi, “GaN nanostructured p-i-n photodiodes,” Applied Physics Letters 93, 221104 (2008).
- C. Bayram, J. L. Pau, R. McClintock, M. Razeghi, M. P. Ulmer, and D. Silversmith, “High Quantum Efficiency Back-illuminated GaN Avalanche Photodiodes,” Applied Physics Letters 93, 211107 (2008).
- C. Bayram, F. H. Teherani, D. Rogers, and M. Razeghi, “A hybrid green light- emitting diode comprised of n-ZnO/(InGaN/GaN) multi-quantum wells/p-GaN,” Applied Physics Letters 93, 081111 (2008).
- C. Bayram, J. L. Pau, R. McClintock, and M. Razeghi, “Performance enhancement of GaN ultraviolet avalanche photodiodes with p-type delta- doping,” Applied Physics Letters 92, 241103 (2008).
- C. Bayram, J. L. Pau, R. McClintock, and M. Razeghi, “Delta-doping optimization for high quality p-type GaN,” Journal of Applied Physics 104, 083512 (2008).
- J. L. Pau, C. Bayram, R. McClintock, D. Silversmith, and M. Razeghi, “Back- illuminated separate absorption and multiplication GaN avalanche photodiodes” Applied Physics Letters 92, 101120 (2008).
- J. L. Pau, R. McClintock, C. Bayram, K. Minder, D. Silversmith, and M. Razeghi, “High Optical Response in Forward Biased (In,Ga)N-GaN MultiquantumWell Diodes under Barrier Illumination,” IEEE Journal of Quantum Electronics 44, 346 (2008).
- K. Minder, J. L. Pau, R. McClintock, P. Kung, C. Bayram, M. Razeghi, and D. Silversmith, “Scaling in GaN avalanche photodiodes designed for back- illumination,” Applied Physics Letters 91, 073513 (2007).
- J. L. Pau, R. McClintock, K. Minder, C. Bayram, P. Kung, M. Razeghi, E. Munoz, and D. Silversmith, “Gieger-mode operation of back-illuminated GaN avalanche photodiodes,” Applied Physics Letters 91, 041104 (2007).
- R. McClintock, J. L. Pau, K. Minder, C. Bayram, P. Kung, and M. Razeghi, “Hole-initiated multiplication in back-illuminated GaN avalanche photodiodes,” Applied Physics Letters 90, 141112 (2007).
Conference Papers (listed in the International Science Index database)
- S. W. Bedell, D. Shahrjerdi, K. Fogel, P. Lauro, C. Bayram, B. Hekmatshoar, N. Li, J. Ott, and D. Sadana, “Advanced flexible electronics: challenges and opportunities,” Proc. SPIE 9083, 90831G (2014).
- D. Shahrjerdi, S. W. Bedell, C. Bayram, and D. K. Sadana, "Flexible InGaP/(In)GaAs Tandem Solar Cells with Very High Specific Power," 39th IEEE Photovoltaic Specialists Conference Proceedings (2013).
- C. Bayram, K.T. Shiu, Y. Zhu, C.W. Cheng, D.K. Sadana, F.H. Teherani, D.J. Rogers, V. E. Sandana, P. Bove, Y. Zhang, S. Gautier, C.-Y. Cho, E. Cicek, Z. Vashaei, R. McClintock, and M. Razeghi, "Engineering future light emitting diodes and photovoltaics with inexpensive materials: Integrating ZnO and Si into GaN- based devices," Proc. SPIE 8626, 86260L (2013).
- C. Bayram, K.T. Shiu, Y. Zhu, C.W. Cheng, D.K. Sadana, Z. Vashaei, E. Cicek, R. McClintock, and M. Razeghi, "Gallium Nitride on Silicon for Cheap, Scalable, and Sustainable Photonics," Proc. SPIE 8631, 863112 (2013).
- D. Shahrjerdi, S. W. Bedell, B. Hekmatshoar, C. Bayram, and D. Sadana, "New Paradigms for Cost-Effective III-V Photovoltaic Technology," ECS Transactions, 50 (40) 15-22 (2013).
- D. Shahrjerdi, S. W. Bedell, C. Ebert, C. Bayram, B. Hekmatshoar, K. Fogel, P. Lauro, M. Gaynes, T. Gokmen, J. A. Ott, and D. K. Sadana, "High-Efficiency Thin-Film InGaP/InGaAs/Ge Tandem Solar Cells Enabled By Controlled Spalling Technology", 38th IEEE Photovoltaic Specialists Conference Proceedings (2012).
- C. Bayram, D. K. Sadana, Z. Vashaei, and M. Razeghi, “Reliable GaN-based resonant tunneling diodes with reproducible room-temperature negative differential resistance”, Proc. SPIE 8268, 826827 (2012).
- Z. Vashaei, C. Bayram, R. McClintock, and M. Razeghi, “Effects of substrate quality and orientation on the characteristics of III-nitride resonant tunneling diodes”, Proc. SPIE 7945, 79451A (2011).
- M. Razeghi, C. Bayram, Z. Vashaei, E. Cicek, and R. McClintock, “III-Nitride Optoelectronic Devices: From ultraviolet detectors and visible emitters towards terahertz intersubband devices”, 23rd Annual Meeting of the IEEE Photonics- Society Denver, CO, Nov. 07-11 (2010).
- R. McClintock, E. Cicek, Z. Vashaei, C. Bayram, M. Razeghi, and Melville P. Ulmer, “III-Nitride Based Avalanche Photo Detectors”, Proc. SPIE 7780, 77801B (2010).
- E. Cicek, Z. Vashaei, C. Bayram, R. McClintock, and M. Razeghi, “Comparison of ultraviolet APDs grown on free-standing GaN and sapphire substrates”, Proc. SPIE 7780, 77801P (2010).
- M. Razeghi, C. Bayram, R. McClintock, F.H. Teherani, D.J. Rogers, and V.E. Sandana, “Novel Green Light Emitting Diodes: Exploring Droop-free Lighting Solutions for a Sustainable Earth”, Journal of Light Emitting Diodes 2 (1) 1-33 (2010).
- M. Razeghi and C. Bayram, “Material and design engineering of (Al)GaN for high- performance avalanche photodiodes and intersubband applications,” Proc. SPIE 7366, 73661F (2009).
- C. Bayram, B. Fain, N. Péré-Laperne, R. McClintock, and M. Razeghi, “Pulsed metalorganic chemical vapor deposition of high quality AlN/GaN superlattices for intersubband transitions,” Proc. SPIE 7222, 722212 (2009).
- R. McClintock, J. L. Pau Vizcaino, C. Bayram, B. Fain, P. Giedraitis, M. Razeghi, and M. P. Ulmer,”III-nitride avalanche photodiodes,” Proc. SPIE 7222, 72220U (2009).
- C. Bayram, D. J. Rogers, F. Hosseini Teherani, and M. Razeghi, “Hybrid green LED based on nZnO/MQWInGaN/pGaN,” Proc. SPIE 7217, 72170P (2009).
- J.L. Pau, C. Bayram, P. Giedraitis, R. McClintock, and M. Razeghi, “GaN-based nanostructured photodetectors,” Proc. SPIE 7222, 722214 (2009).
- R. McClintock, J. L. P. Vizcaino, K. Minder, C. Bayram and M. Razeghi, “III- nitride photon counting avalanche photodiodes,” Proc. SPIE 6900, 69000N (2008).
- K. Minder, F. H. Teherani, D. Rogers, C. Bayram, R. McClintock, P. Kung, and M. Razeghi, “Etching of ZnO towards the development of ZnO homostructure LEDs,” Proc. SPIE 6474, 64740Q (2007).
- P. Kung, R. McClintock, J. L. P. Vizcaino, K. Minder, C. Bayram, and M. Razeghi, “III-nitride avalanche photodiodes,” Proc. SPIE 6479, 64791J (2007).
- R. McCLintock, K. Minder, A. Yasan, C. Bayram, F. Fuchs, P. Kung, and M. Razeghi, “Solar-blind avalanche photodiodes,” Proc. SPIE 6127, 61271D (2006).
- C. Bayram, S. Olcum, M. N. Senlik, and A. Atalar, “Bandwidth improvement in a cMUT array with mixed sized elements,” Proc. IEEE Ultrason. Symp., pp. 1956- 1959. (2005).
- S. Olcum, M. N. Senlik, C. Bayram and A. Atalar, “Design charts to maximize the gain-bandwidth product of capacitive micromachined ultrasonic transducers,” Proc. IEEE Ultrason. Symp. Pp. 1941-1944. (2005).
Talks & Presentations
- (INVITED) C. Bayram, “Vertical Thinking in Light Emitting Diodes” ECE Colloquium, University of Illinois at Urbana-Champaign, Urbana, IL, USA, Nov. 13, 2014.
- C. Bayram, J. Kim, H. Park, C.-W. Cheng, C. Dimitrakopoulos, J. Ott, K.B. Reuter, S.W. Bedell, and D. K. Sadana, “Thin-film Blue Light Emitting Diodes via Revolutionary GaN-on-Graphene Technology,” International Symposium on Graphene Devices (ISGD-4), Bellevue, WA, USA, Sep. 21-25, 2014.
- (INVITED) C. Bayram, “Gallium nitride compound semiconductors for ultraviolet, visible, and terahertz photonics” 2nd International Conference and Exhibition on Lasers, Optics, and Photonics, Philadelphia, PA, USA, Sep. 08-10, 2014.
- (INVITED) C. Bayram, “LED Lighting” International Summer School on Advanced TV Technologies, Antalya, TURKEY, Aug. 25-29, 2014.
- C. Bayram, J. Kim, H. Park, C.-W. Cheng, C. Dimitrakopoulos, J. Ott, K.B. Reuter, S.W. Bedell, and D. K. Sadana, “Revolutionary GaN-on-Graphene Technology,” 5th International Symposium on Growth of III-Nitrides, Atlanta, GA, USA, May 18-22, 2014.
- C. Bayram, J. Ott, K.-T. Shiu, C.-W. Cheng, Y. Zhu, J. Kim, M. Razeghi, and D.K. Sadana, “Cubic Phase GaN on Nano-grooved Si (100) via Maskless Selective Area Epitaxy,” 5th International Symposium on Growth of III-Nitrides, Atlanta, GA, USA, May 18-22, 2014.
- (INVITED) D. K. Sadana, N. Li, C. Bayram, K.-T. Shiu, and C.-W. Cheng, " Technologies for high speed III-V optical links on silicon optoelectronics," International Conference and Exhibition on Lasers, Optics & Photonics, Hilton San Antonio Airport, TX, USA, Oct. 07-09 (2013).
- (INVITED) C. Bayram, "Renewable Energy and Energy-Efficiency in Turkey: Research and Development Trends," 2nd TUBITAK Workshop for Turkish Scientist Residing Abroad (hosted by Scientific and Technological Research Council of Turkey), Grand Cevahir Otel, Istanbul, TURKEY, July 4-5 (2013).
- D. Shahrjerdi, S. W. Bedell, C. Bayram, and D. K. Sadana, " Flexible InGaP/(In)GaAs Tandem Solar Cells with Very High Specific Power," 39th IEEE Photovoltaic Specialists Conference, Tampa, Florida, USA, June 16-21 (2013).
- (INVITED) C. Bayram, "Gallium Nitride Compound Semiconductors for Ultraviolet, Visible, and Terahertz Photonics," Special Materials Science & Engineering Seminar, Columbia University, Morningside Campus, NY, USA, June 12 (2013).
- (INVITED) C. Bayram, K.T. Shiu, Y. Zhu, C.W. Cheng, D.K. Sadana, F.H. Teherani, D.J. Rogers, V. E. Sandana, P. Bove, Y. Zhang, S. Gautier, C.-Y. Cho, E. Cicek, Z. Vashaei, R. McClintock, and M. Razeghi, "Engineering light- emitting diodes with inexpensive materials: Integrating ZnO and Si into solid state lighting," SPIE Photonics West, San Francisco, CA, USA, February 2-7 (2013).
- (INVITED) C. Bayram, K.T. Shiu, Y. Zhu, C.W. Cheng, D.K. Sadana, Z. Vashaei, E. Cicek, R. McClintock, and M. Razeghi, "Gallium Nitride on Silicon for Cheap, Scalable, and Sustainable Photonics," SPIE Photonics West, San Francisco, CA, USA, February 2-7 (2013).
- (INVITED) D. K. Sadana, S.W. Bedell, D. Shahrjerdi, B. Hekmatshoar, N. Li, C. Bayram, and J. Kim, "Advanced PV Technologies: Challenges & Opportunities," SPIE Photonics West, San Francisco, CA, USA, February 2-7 (2013).
- (INVITED) D. Shahrjerdi, S. W. Bedell, B. Hekmatshoar, C. Bayram, and D. Sadana, "New Paradigms for Cost- Effective III-V Photovoltaic Technology," Pacific Rim Meeting on Electrochemical and Solid-State Science, Honolulu, Hawaii, USA, October 7-12 (2012).
- C. Bayram, Z. Vashaei, R. McClintock, D.K. Sadana, and M. Razeghi, "AlXGa1- XN-based engineered intersubband devices," Infrared Optoelectronics: Materials & Devices (MIOMD-XI) Conference, Chicago, IL, USA, September 4-8 (2012).
- D. Shahrjerdi, S. W. Bedell, C. Ebert, C. Bayram, B. Hekmatshoar, K. Fogel, P. Lauro, M. Gaynes, T. Gokmen, J. A. Ott, and D. K. Sadana, "High-Efficiency Thin-Film InGaP/InGaAs/Ge Tandem Solar Cells Enabled By Controlled Spalling Technology", 38th IEEE Photovoltaic Specialists Conference, Austin, Texas, USA, June 3-8 (2012).
- (INVITED) C. Bayram, “Applied Photonics for a Sustainable Earth: High Efficiency Light Emitting Diodes and Solar Cells,” TASSA Annual Conference, University of Maryland, College Park, MD, USA, March 3-4 (2012).
- (INVITED) C. Bayram, D. K. Sadana, Z. Vashaei, and M. Razeghi, “Reliable GaN-based resonant tunneling diodes with reproducible room-temperature negative differential resistance,” SPIE Photonics West, San Francisco, CA, USA, January 22-27 (2012).
- (INVITED) C. Bayram and M. Razeghi, "AlGaInN gap engineering from ultraviolet and visible wavelengths towards terahertz regime," ICDD Spring Meetings, Pennsylvania, USA, March 17 (2011).
- (INVITED) C. Bayram and M. Razeghi, "III-Nitride Optoelectronic Devices," ICDD Spring Meetings, Pennsylvania, USA, March 15 (2011).
- Z. Vashaei, C. Bayram, R. McClintock, and M. Razeghi, “Effects of substrate quality and orientation on the characteristics of III-nitride resonant tunneling diodes”, SPIE Photonics West, San Francisco, CA, USA, January 22-27 (2011).
- E. Cicek, Z. Vashaei, C. Bayram, R. McClintock, and M. Razeghi, "Comparison of ultraviolet APDs grown on free-standing GaN and sapphire substrates", SPIE Optics + Photonics, San Diego, California, USA, August 1-5 (2010).
- (INVITED) R. McClintock, E. Cicek, Z. Vashaei, C. Bayram, M. Razeghi, and Melville P. Ulmer, "III-Nitride Based Avalanche Photo Detectors," SPIE Optics + Photonics, San Diego, USA, August 1-5 (2010).
- M. Razeghi, C. Bayram, and Z. Vashaei,“III-Nitride intersubband absorption devices and resonant tunneling diodes,” 3rd International Symposium on Growth of III-Nitrides (ISGN-3) Corum - Montpellier, France -- July 4-8 (2010).
- M. Razeghi, Z. Vashaei, and C. Bayram,“High quality metal-organic chemical vapor deposition of (Al)GaN-based resonant tunneling diodes,” 3rd International Symposium on Growth of III-Nitrides (ISGN-3) Corum - Montpellier, France -- July 4-8 (2010).
- (INVITED) M. Razeghi, C. Bayram, R. McClintock, F.H. Teherani, D.J. Rogers, and V.E. Sandana, “Novel Green Light Emitting Diodes: Exploring Droop-free Lighting Solutions for a Sustainable Earth”, LED 2010: The 4th International Conference on LED and Solid State Lighting, COEX (Seoul), Korea, Feb. 3-5 (2010).
- (INVITED) C. Bayram, F. H. Teherani, D. Rogers, and M. Razeghi, “Novel Green Light Emitting Diodes”, Dow Chemical Company Sustainability Innovation Student Challenge Recognition Event, University of Michigan Ann Arbor, Oct. 19 (2009).
- (INVITED) F. H. Teherani, C. Bayram, D. J. Rogers, M. Razeghi, and R. Mcclintock, "Hybrid Green LEDs with n-type ZnO Substituted for n-type GaN in an Inverted p-n Junction",2009 Annual Meeting of IEEE Photonics Society, Antalya - Belek,Turkey, Oct. 4-8 (2009).
- (INVITED) C. Bayram and M. Razeghi, "III-Nitride Optoelectronic Devices", 2009 Annual Meeting of IEEE Photonics Society, Antalya - Belek,Turkey, Oct. 4- 8 (2009).
- (INVITED) C. Bayram, F. H. Teherani, D. Rogers, R.Mcclintock, and M. Razeghi, "Novel Green Light Emitting Diodes: Innovating Droop-free Lighting Solutions for Sustainable Earth", 2009 symposium of the Chicago AIChE (American Institute of Chemical Engineers), Chicago, IL, Oct. 4-5 (2009).
- (INVITED) M. Razeghi, C. Bayram, R. McClintock and N. Péré-Laperne, "III- Nitride Optoelectronic Devices: High Performance GaN Avalanche Photodiodes, Novel Green Light Emitting Diodes and III-Nitride Intersubband Devices”, AFOSR Joint Electronics Program Review, Arlington, VA, May 27 (2009).
- C. Bayram, D. J. Rogers, F. Hosseini Teherani, and M. Razeghi, “Novel Hybrid Green LEDs Based on Substituting n-type ZnO for n-type GaN in an Inverted p-n Junction,” Proc. of the 5th International Workshop on ZnO and Related Materials, Sept. 22-24, Michigan (2008).
- V. E. Sandana, D. J. Rogers, F. H. Teherani, R. McClintock, C. Bayram M. Razeghi, H.-J. Drouhin, V. Sallet, G. Garry, F. Falyouni,, "Comparison of ZnO Nanostructures Grown Using PLD, MOCVD & PVT," Proc. of the 5th Int. Workshop on ZnO and Related Materials, Sept. 22-24, Michigan (2008).
- (INVITED) M. Razeghi, J. L. Pau, C. Bayram, B. Fain, P. Giedraitis, and R. McClintock,“ UV Single Photon Detection Based on III-Nitride Geiger Mode Avalanche Photodiodes,” 2nd International Symposium on Growth of III-Nitrides (ISGN-2). Laforet Shuzenji Izu, Japan -- July 6 (2008).
- (INVITED) M. Razeghi, J. L. Pau, C. Bayram, R. McClintock, K. Kim, P. Giedraitis, and B. Fain, “GaN Avalanche Photodiodes and Green Emitters,” 2008 AFRL-AFOSR Nanotechnology Initiative Review. Dayton, OH -- May 6 (2008).
- (INVITED) R. McClintock, J. L. P. Vizcaino, K. Minder, C. Bayram and M. Razeghi, “III-nitride photon counting avalanche photodiodes,” SPIE Photonics West, San Francisco, CA, USA, January 20-25 (2008).
- (INVITED) K. Minder, F. H. Teherani, D. Rogers, C. Bayram, R. McClintock, P. Kung, and M. Razeghi, “Etching of ZnO towards the development of ZnO homostructure LEDs,” SPIE Photonics West, San Francisco, CA, USA, January 20-25 (2008).