Conference Papers

(39) Y. Tsai and C. Bayram,

Electronic Surface and Heterostructure: Band Offsets in Ternary Wurtzite and Zincblende III-Nitrides,

SPIE Photonics West, San Francisco, CA, USA, March 6 – 11 (2021). SPIE link

(38) Y. Tsai and C. Bayram,

First–Principles Calculations of N- and P-type Doping in Wurtzite and Zincblende GaN,

SPIE Photonics West, San Francisco, CA, USA, March 6 – 11 (2021). SPIE link

(37) S. Rakheja and C. Bayram,

Physics of failure in near-terahertz III-nitride devices operating in extreme environments,

5G Enabled Energy Innovation Workshop (5GEEIW), Office of Science, U.S. Department of Energy, Chicago, IL, USA, March 10 – 12 (2020). PDF

(36) A.V. Sumant and C. Bayram,

Energy-efficient, harsh environment compatible electronics based on diamond,

5G Enabled Energy Innovation Workshop (5GEEIW), Office of Science, U.S. Department of Energy, Chicago, IL, USA, March 10 – 12 (2020). PDF

(35) K. Park, H.-P. Lee, J.K.J. Van Duren, and C. Bayram,

Single Crystal Diamond: An Ultimate Semiconductor,

5G Enabled Energy Innovation Workshop (5GEEIW), Office of Science, U.S. Department of Energy, Chicago, IL, USA, March 10 – 12 (2020). PDF

(34) R. Liu, C. McCormick, and C. Bayram,

“Suppression of indium clustering and quantum confined stark effect of InGaN LED on silicon (111),

SPIE Photonics West, San Francisco, CA, USA, Feb. 2 – 7 (2019). SPIE link

(33) (Invited)

C. Bayram, R. Grady, and K. Park,

Novel cubic phase III-nitride complementary metal-oxide-semiconductor transistor technology,

SPIE Photonics West, San Francisco, CA, USA, Jan. 27 – Feb. 1 (2018). SPIE link

(32) C. Bayram, J. Kim, H. Park, C.W. Cheng, C. Dimitrakopoulos, J. Ott, K.B. Reuter, S.W.Bedell, and D.K. Sadana,

A Novel Thin-Film Blue Light Emitting Diode via GaN-on-Graphene Technology,

IEEE Photonics Conference, Orlando, FL, USA, Oct 1-5 (2017). IEEE link

(31) C. Bayram and R. Liu,

Cubic Phase Light Emitters Hetero-integrated on Silicon,

IEEE Photonics Conference, Orlando, FL, USA, Oct 1-5 (2017). IEEE link

(30) K. Park, M. A. Stroscio, and C. Bayram,

Electron momentum relaxation rates via Frohlich interaction with polar-optical-phonons in bulk wurtzite gallium nitride,

International Workshop on Computational Nanotechnology, Windermere, UK, June 5 – 9 (2017).pdf

(29) H.-P. Lee, J. Perozek, and C. Bayram,

Scaling AlGaN/GaN High Electron Mobility Transistor Structures onto 200-mm Silicon (111) Substrates through Novel Buffer Layer Configurations,

International Conference on Compound Semiconductor Manufacturing Technology, Indian Wells, CA, USA, May 22 – 25 (2017). CS MANTECH link

(28) R. Liu and C. Bayram,

Cubic Phase GaN Integrated on CMOS-Compatible Silicon (100),

International Conference on Compound Semiconductor Manufacturing Technology, Indian Wells, CA, USA, May 22 – 25 (2017). CS MANTECH link

(27) (Invited)

C. Bayram,

InGaN-based flexible light emitting diodes,

SPIE Photonics West, San Francisco, CA, USA, Jan. 28 – Feb. 2 (2017). SPIE link

(26) (Invited)

C. Bayram and R. Liu,

Polarization-free integrated gallium-nitride photonics,

SPIE Photonics West, San Francisco, CA, USA, Jan. 28 – Feb. 2 (2017). SPIE link

(25) (Invited)

C. Bayram† & J. Kim† († equal contribution), H. Park, C.-W. Cheng, C. Dimitrakopoulos, J. Ott, K.B. Reuter, S.W. Bedell, and D. K. Sadana,

Vertical thinking in blue light emitting diodes: GaN-on-graphene technology,

SPIE Photonics West, San Francisco, CA, USA, Feb. 7-12 (2015). SPIE link

(24) (Invited)

C. Bayram, J. Ott, K. T. Shiu, C. W. Cheng, Y. Zhu, J. Kim, D. K. Sadana, and M. Razeghi,

Polarization-free GaN emitters in the ultraviolet and visible spectra via heterointegration on CMOS-compatible Si (100),

SPIE Photonics West, San Francisco, CA, USA, Feb. 7-12 (2015). SPIE link

(23) (Invited)

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,

SPIE Defense + Security, Baltimore, MD, USA, April 20-25 (2014). SPIE link

(22) 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, FL, USA, June 16-21 (2013). IEEE link

(21) (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 future light emitting diodes and photovoltaics with inexpensive materials: Integrating ZnO and Si into GaN-based devices,

SPIE Photonics West, San Francisco, CA, USA, February 2-7 (2013). SPIE link

(20) (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). SPIE link

(19) (Invited)

D. Shahrjerdi, S. 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 (PRIME), Honolulu, HI, USA, October 7-12 (2012). ECS link

(18) 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, TX, USA, June 3-8 (2012). IEEE link

(17) (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). SPIE link

(16) 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). SPIE link

(15) 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). IEEE link

(14) 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). SPIE link
(13) E. Cicek, Z. Vashaei, C. Bayram, R. McClintock, M. Razeghi, and Melville
P. Ulmer,”Comparison of ultraviolet APDs grown on free-standing GaN and sapphire substrates,Proc. SPIE 7780, 77801P (2010). SPIE link
(12) (Invited)

M. Razeghi, C. Bayram, F.H. Teherani, D. J. Rogers, R. McClintock, 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). LED link

(11) 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). SPIE link

(10) 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). SPIE link

(9) 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). SPIE link

(8) C. Bayram, D. J. Rogers, F. Hosseini Teherani, and M. Razeghi,

Hybrid green LED based on nZnO/MQWInGaN/pGaN,”

Proc. SPIE 7217, 72170P (2009). SPIE link

(7) J.L. Pau, C. Bayram, P. Giedraitis, R. McClintock, and M. Razeghi,

GaN-based nanostructured photodetectors,”

Proc. SPIE 7222, 722214 (2009). SPIE link

(6) (Invited)

R. McClintock, J. L. P. Vizcaino, K. Minder, C. Bayram and M. Razeghi,

III-nitride photon counting avalanche photodiodes,”

Proc. SPIE 6900, 69000N (2008) . SPIE link

(5) (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,”

Proc. SPIE 6474, 64740Q (2007). SPIE link

(4) P. Kung, R. McClintock, J. L. P. Vizcaino, K. Minder, C. Bayram, and M. Razeghi,

III-nitride avalanche photodiodes,”

Proc. SPIE 6479, 64791J (2007). SPIE link

(3) R. McCLintock, K. Minder, A. Yasan, C. Bayram, F. Fuchs, P. Kung, and M. Razeghi,

Solar-blind avalanche photodiodes,”

Proc. SPIE 6127, 61271D (2006). SPIE link

(2) 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). IEEE link

(1) S. Olcum, M. N. Senlik, C. Bayramand A. Atalar,

Design charts to maximize the gain-bandwidth product of capacitive micromachined ultrasonic transducers,”

Proc. IEEE Ultrason. Symp., pp. 1941-1944 (2005). IEEE link