1. “Material Properties and Clustering in Molecular Beam Epitaxial In0.52A10.48As and In1-x-yGaxAlyAs”, W.P. Hong, A. Chin, N. Debbar, J. Hinckley, P.K. Bhattacharya, J. Singh and R.C. Clarke, Annual MBE Workshop, Boston, October 1986.
2. “Thermal Emission and Capture from Quantum Wells- Analogy with Deep traps”, N. Debbar, D. Biswas, P.K. Bhattacharya and J.E. Oh, Fifteenth International Symposium on Gallium Arsenide and Related Compounds, Atlanta, September 1988.
3. “Band Offsets in GaAs/Ga0.51In0.49P Heterostructures Grown by MOCVD”, P.K. Bhattacharya, N. Debbar, D. Biswas, M. Razeghi, M. Defour and F. Omnes, Sixteenth International Symposium on Gallium Arsenide and Related Compounds, Kurruizawa, Japan, September 1989.
4. “Recombination and Tunneling Dynamics in Square and Coupled Quantum Wells”, N. Debbar, D. Biswas, P.K. Bhattacharya and J. Singh, Sixteenth International Symposium on Gallium Arsenide and Related Compounds, Kurruizawa, Japan, September 1989.
5. “High Speed GaInAs Photodetectors Grown by Chemical Beam Epitaxy”, N. Debbar, A. Rudra, J.F. Carlin, M. Gailhanou and M. Ilegems, Third International Conference on Indium Phosphide and Related Malerials, Cardiff, UK, April 1991.
6. “Numerical Simulation of the I-V Characteristics of Heterojunctions Including Thermionic Emission Mechanisms”, N. Debbar, B. Al-Mashary, Tenth International Conference on Microelectronics, Monastir, Tunisia December 1998.
7. “Estimation of Band-Gap Offsets of Heterojunctions Using J-V-T Characteristics”, N. Debbar and B. Al-Mashary, 12th International Conference on Microelectronics, Teheran, Iran, October 31-November 2, (2000)
8. “Two-Dimensional Numerical Simulation of Metal-Semiconductor-Metal Photodetector Structures”, N. Debbar, 14th International Conference on Microelectronics, December 11-13, Beirut, Lebanon, (2002)
9. “Effect of the Optical Power and Active Layer Thickness on the Photocurrent in Metal-Semiconductor-Metal detectors”, N. Debbar, A. Telba and M. Alkanhal, 10th IEEE International Conference on Electronics, Circuits and Systems, Dec. 14-17, Sharjah, UAE, (2003)