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Works (112)
2025 article
Device-Quality InGaN Templates With In Content Greater Than 10%: A Potential Solution for Red LED Problems
Routh, E. L., Abdelhamid, M., & Bedair, S. M. (2025, March 15). Journal of Electronic Materials.
2024 article
GaN Tunnel Junctions Using Semibulk Templates and Co-Doping with Metalorganic Chemical Vapor Deposition Growth
Hagar, B., Routh, E., Abdelhamid, M., Colter, P., & Bedair, S. (2024, June 9).
2024 article
GaN-based tunnel junction with negative differential resistance by metalorganic chemical vapor deposition
Hagar, B. G., Routh, E. L., Abdelhamid, M., Colter, P. C., Muth, J., & Bedair, S. M. (2024, August 19). Applied Physics Letters.
2022 article
Improved LED output power and external quantum efficiency using InGaN templates
Abdelhamid, M., Routh, E. L., Hagar, B., & Bedair, S. M. (2022, February 21). Applied Physics Letters, Vol. 2.
2022 article
Ohmic co-doped GaN/InGaN tunneling diode grown by MOCVD
Hagar, B. G., Abdelhamid, M., Routh, E. L., Colter, P. C., & Bedair, S. M. (2022, August 1). Applied Physics Letters, Vol. 8.
2021 article
P-type InxGa1−xN semibulk templates (0.02 < x < 0.16) with room temperature hole concentration of mid-1019 cm−3 and device quality surface morphology
Routh, E. L., Abdelhamid, M., Colter, P., El-Masry, N. A., & Bedair, S. M. (2021, September 20). Applied Physics Letters, Vol. 9.
2021 article
Shifting LED emission from blue to the green gap spectral range using In0.12Ga0.88N relaxed templates
Abdelhamid, M., Routh, E. L., Shaker, A., & Bedair, S. M. (2021, October 19). Superlattices and Microstructures, Vol. 12.
2021 article
The dependence of the emission from MQWs on the indium content in the underlying InGaN templates: experimental and modeling results
Abdelhamid, M., Routh, E. L., & Bedair, S. M. (2021, January 29). Semiconductor Science and Technology, Vol. 36.
2020 article
Device quality templates of InxGa1−xN (x < 0.1) with defect densities comparable to GaN
Routh, E. L., Abdelhamid, M., El-Masry, N. A., & Bedair, S. M. (2020, August 3). Applied Physics Letters, Vol. 117, p. 052103.
2020 article
Dislocation-Based Thermodynamic Models of V-Pits Formation and Strain Relaxation in InGaN/GaN Epilayers on Si Substrates
Khafagy, K. H., Hatem, T. M., & Bedair, S. M. (2020, January 1). The Minerals, Metals & Materials Series.
2020 article
Multi-junction solar cells by Intermetallic Bonding and interconnect of Dissimilar Materials: GaAs/Si
Hagar, B., Sayed, I., Colter, P. C., & Bedair, S. M. (2020, June 11). Solar Energy Materials and Solar Cells.
2020 article
Observing relaxation in device quality InGaN templates by TEM techniques
Eldred, T. B., Abdelhamid, M., Reynolds, J. G., El-Masry, N. A., LeBeau, J. M., & Bedair, S. M. (2020, March 9). Applied Physics Letters.
2020 article
Thermodynamics Models for V-pit Nucleation and Growth in III-Nitride on Silicon
Khafagy, K. H., Hatem, T. M., & Bedair, S. M. (2020, October 22). JOM.
2019 article
Embedded void approach effects on intrinsic stresses in laterally grown GaN-on-Si substrate
Salah, S. I., Hatem, T. M., Khalil, E. E., & Bedair, S. M. (2019, March 1). Materials Science and Engineering B.
2019 article
Growth and characterization of In Ga1−N (0 < x < 0.16) templates for controlled emissions from MQW
Abdelhamid, M., Reynolds, J. G., El-Masry, N. A., & Bedair, S. M. (2019, May 17). Journal of Crystal Growth.
2019 article
Modelling of III-Nitride Epitaxial Layers Grown on Silicon Substrates with Low Dislocation-Densities
Khafagy, K. H., Hatem, T. M., & Bedair, S. M. (2019, January 28). MRS Advances.
2019 article
Quantum Well Solar Cells: Principles, Recent Progress, and Potential
Sayed, I., & Bedair, S. M. (2019, January 29). IEEE Journal of Photovoltaics.
2018 article
Impact of embedded voids on thin-films with high thermal expansion coefficients mismatch
Khafagy, K. H., Hatem, T. M., & Bedair, S. M. (2018, January 22). Applied Physics Letters.
2018 article
Three-Dimensional Crystal-Plasticity Based Model for Intrinsic Stresses in Multi-junction Photovoltaic
Khafagy, K. H., Hatem, T. M., & Bedair, S. M. (2018, January 1). The Minerals, Metals & Materials Series.
2018 article
Tunnel Junctions for III-V Multijunction Solar Cells Review
Colter, P., Hagar, B., & Bedair, S. (2018, November 28). Crystals.
2017 article
100-period InGaAsP/InGaP superlattice solar cell with sub-bandgap quantum efficiency approaching 80%
Sayed, I. E. H., Jain, N., Steiner, M. A., Geisz, J. F., & Bedair, S. M. (2017, August 21). Applied Physics Letters.
2017 journal article
Electric field control of ferromagnetism at room temperature in GaCrN (p-i-n) device structures
Applied Physics Letters, 111(8), 082402.
2016 article
Annealed high band gap tunnel junctions with peak current densities above 800 A/cm2
Bedair, S. M., Harmon, J. L., Carlin, C. Z., Sayed, I. E. H., & Colter, P. C. (2016, June 1).
2016 article
Extending the absorption threshold of InGaP solar cells to 1.60 eV using quantum wells: Experimental and modeling results
Sayed, I. E. H., Hagar, B. G., Carlin, C. Z., Colter, P. C., & Bedair, S. M. (2016, June 1).
2016 article
High performance as-grown and annealed high band gap tunnel junctions: Te behavior at the interface
Bedair, S. M., Harmon, J. L., Carlin, C. Z., Sayed, I. E. H., & Colter, P. C. (2016, May 16). Applied Physics Letters.
2016 article
High performance tunnel junction with resistance to thermal annealing
Bedair, S. M., Carlin, C. Z., Harmon, J. L., Sayed, I. E. H., & Colter, P. C. (2016, January 1). AIP Conference Proceedings.
2016 article
InGaP-based quantum well solar cells
Sayed, I. E. H., Hagar, B. G., Carlin, C. Z., Colter, P. C., & Bedair, S. M. (2016, June 1).
2016 article
InGaP-based quantum well solar cells: Growth, structural design, and photovoltaic properties
Hashem, I. E., Carlin, C. Z., Hagar, B. G., Colter, P. C., & Bedair, S. M. (2016, March 4). Journal of Applied Physics.
2016 article
Strain-Balanced InGaAsP/GaInP Multiple Quantum Well Solar Cells With a Tunable Bandgap (1.65–1.82 eV)
Sayed, I. E. H., Carlin, C. Z., Hagar, B. G., Colter, P. C., & Bedair, S. M. (2016, April 21). IEEE Journal of Photovoltaics.
2015 article
Growth and Characterization of High-Quality, Relaxed In y Ga1−y N Templates for Optoelectronic Applications
Broeck, D. M. V. D., Bharrat, D., Liu, Z., El-Masry, N. A., & Bedair, S. M. (2015, August 27). Journal of Electronic Materials.
2015 article
Tunable GaInP solar cell lattice matched to GaAs
Sayed, I. E. H., Carlin, C. Z., Hagar, B., Colter, P. C., & Bedair, S. M. (2015, June 1).
2014 article
GaInP/GaAs Tandem Solar Cells With InGaAs/GaAsP Multiple Quantum Wells
Bradshaw, G. K., Samberg, J. P., Carlin, C. Z., Colter, P. C., Edmondson, K. M., Hong, W., … Bedair, S. M. (2014, January 31). IEEE Journal of Photovoltaics.
2014 article
Strain-balanced InGaN/GaN multiple quantum wells
Broeck, D. M. V. D., Bharrat, D., Hosalli, A. M., El-Masry, N. A., & Bedair, S. M. (2014, July 21). Applied Physics Letters.
2013 journal article
Biomolecular Gradients via Semiconductor Gradients: Characterization of Amino Acid Adsorption to InxGa1–xN Surfaces
ACS Applied Materials & Interfaces, 5(15), 7236–7243.
2013 article
Determination of carrier recombination lifetime in InGaAs quantum wells from external quantum efficiency measurements
Bradshaw, G. K., Carlin, C. Z., Samberg, J. P., Colter, P. C., & Bedair, S. M. (2013, June 1).
2013 article
Effect of GaAs interfacial layer on the performance of high bandgap tunnel junctions for multijunction solar cells
Samberg, J. P., Carlin, C. Z., Bradshaw, G. K., Colter, P. C., Harmon, J. L., Allen, J. B., … Bedair, S. M. (2013, September 2). Applied Physics Letters.
2013 article
Gallium nitride nanowires by maskless hot phosphoric wet etching
Bharrat, D., Hosalli, A. M., Broeck, D. M. V. D., Samberg, J. P., Bedair, S. M., & El-Masry, N. A. (2013, August 19). Applied Physics Letters.
2013 article
Interface properties of Ga(As,P)/(In,Ga)As strained multiple quantum well structures
Samberg, J. P., Alipour, H. M., Bradshaw, G. K., Carlin, C. Z., Colter, P. C., LeBeau, J. M., … Bedair, S. M. (2013, August 12). Applied Physics Letters.
2013 journal article
Inversion by metalorganic chemical vapor deposition from N- to Ga-polar gallium nitride and its application to multiple quantum well light-emitting diodes
Applied Physics Letters, 103(23), 231108.
2013 article
Minority Carrier Transport and Their Lifetime in InGaAs/GaAsP Multiple Quantum Well Structures
Carlin, C. Z., Bradshaw, G. K., Samberg, J. P., Colter, P. C., & Bedair, S. M. (2013, July 15). IEEE Transactions on Electron Devices.
2013 article
Modeling an InGaP/AlGaAs tunnel junction containing an AlAs diffusion barrier
Hauser, J., Carlin, Z., Harmon, J., Bradshaw, G., Samberg, J., Colter, P., & Bedair, S. (2013, June 1).
2013 chapter
Molecular Interactions on InxGa1−xN
In G. Shaw III, B. Prorok, L. Starman, & C. Furlong (Eds.), MEMS and Nanotechnology (pp. 109–114).
Ed(s): G. Shaw, B. Prorok, L. Starman & C. Furlong
2013 article
Multifacet semipolar formation by controlling the groove depth via lateral sidewall epitaxy
Frajtag, P., Nepal, N., Paskova, T., Bedair, S. M., & El-Masry, N. A. (2013, January 9). Journal of Crystal Growth.
2013 article
Spectroscopic investigation of coupling among asymmetric InGaN/GaN multiple quantum wells grown on non-polar a-plane GaN substrates
Roberts, A. T., Mohanta, A., Everitt, H. O., Leach, J. H., Broeck, D. V. D., Hosalli, A. M., … Bedair, S. M. (2013, October 28). Applied Physics Letters.
2013 article
Tandem InGaP/GaAs-quantum well solar cells and their potential improvement through phosphorus carry-over management in multiple quantum well structures
Samberg, J. P., Bradshaw, G. K., Carlin, C. Z., Colter, P. C., Edmondson, K., Hong, W., … Bedair, S. M. (2013, June 1).
2012 article
Carrier Transport and Improved Collection in Thin-Barrier InGaAs/GaAsP Strained Quantum Well Solar Cells
Bradshaw, G. K., Carlin, C. Z., Samberg, J. P., El-Masry, N. A., Colter, P. C., & Bedair, S. M. (2012, September 29). IEEE Journal of Photovoltaics.
2012 article
Growth and Characterization of In x Ga1−x As/GaAs1−y P y Strained-Layer Superlattices with High Values of y (~80%)
Samberg, J. P., Carlin, C. Z., Bradshaw, G. K., Colter, P. C., & Bedair, S. M. (2012, December 19). Journal of Electronic Materials.
2012 journal article
Planar defects in thin films of InGaN
Microscopy and Microanalysis, 18(S2), 1486–1487.
2011 article
Embedded voids approach for low defect density in epitaxial GaN films
Frajtag, P., El-Masry, N. A., Nepal, N., & Bedair, S. M. (2011, January 10). Applied Physics Letters.
2011 article
Embedded voids formation by overgrowth on GaN nanowires for high-quality GaN films
Frajtag, P., Samberg, J. P., El-Masry, N. A., Nepal, N., & Bedair, S. M. (2011, February 26). Journal of Crystal Growth.
2011 journal article
Improved light-emitting diode performance by conformal overgrowth of multiple quantum wells and fully coalesced p-type GaN on GaN nanowires
Applied Physics Letters, 98(14), 143104.
2011 article
Light emitting diodes based on sidewall m‐plane epitaxy of etched GaN/sapphire templates
Nepal, N., Frajtag, P., Zavada, J. M., El‐Masry, N. A., & Bedair, S. M. (2011, May 9). Physica Status Solidi. C, Conferences and Critical Reviews/Physica Status Solidi. C, Current Topics in Solid State Physics.
2011 article
Overgrowth of GaN on GaN nanowires produced by mask-less etching
Frajtag, P., Hosalli, A. M., Samberg, J. P., Colter, P. C., Paskova, T., El-Masry, N. A., & Bedair, S. M. (2011, December 28). Journal of Crystal Growth.
2011 article
Staggered InGaAs/GaAsP strained layer superlattices for use in optical devices
Colter, P. C., Carlin, C. Z., Samberg, J. P., Bradshaw, G. K., & Bedair, S. M. (2011, July 15). Physica Status Solidi (a).
2011 journal article
Strain relaxation in InxGa1-xN/GaN quantum well structures
Physica Status Solidi (c), 8(7-8), 2034–2037.
2011 journal article
Structural defects and cathodoluminescence of InxGa1-xN layers
Physica Status Solidi (c), 8(7-8), 2248–2250.
2010 article
Modeling of tunnel junctions for high efficiency solar cells
Hauser, J. R., Carlin, Z., & Bedair, S. M. (2010, July 26). Applied Physics Letters.
2009 article
Electric field control of room temperature ferromagnetism in III-N dilute magnetic semiconductor films
Nepal, N., Luen, M. O., Zavada, J. M., Bedair, S. M., Frajtag, P., & El-Masry, N. A. (2009, March 30). Applied Physics Letters.
2009 article
Ferromagnetism and Near-infrared Luminescence in Neodymium and Erbium Doped Gallium Nitride via Diffusion
Luen, M. O., Nepal, N., Frajtag, P., Zavada, J., Brown, E., Hommerich, U., … El-Masry, N. (2009, January 1). MRS Proceedings.
2009 journal article
Spontaneous stratification of InGaN layers and its influence on optical properties
Physica Status Solidi (c), 6(S2), S433–S436.
2009 journal article
Structural perfection of InGaN layers and its relation to photoluminescence
Physica Status Solidi (c), 6(12), 2626–2631.
2008 article
Nearly lattice-matched n, i, and p layers for InGaN p-i-n photodiodes in the 365–500nm spectral range
Berkman, E. A., El-Masry, N. A., Emara, A., & Bedair, S. M. (2008, March 10). Applied Physics Letters.
2007 article
Correlation between compositional fluctuation and magnetic properties of Tm-doped AlGaN alloys
Nepal, N., Bedair, S. M., El-Masry, N. A., Lee, D. S., Steckl, A. J., & Zavada, J. M. (2007, November 26). Applied Physics Letters.
2007 article
Correlation between photoluminescence and magnetic properties of GaMnN films
Nepal, N., Mahros, A. M., Bedair, S. M., El-Masry, N. A., & Zavada, J. M. (2007, December 10). Applied Physics Letters.
2007 article
Development of green, yellow, and amber light emitting diodes using InGaN multiple quantum well structures
Barletta, P. T., Berkman, E. A., Moody, B. F., El-Masry, N. A., Emara, A. M., Reed, M. J., & Bedair, S. M. (2007, April 9). Applied Physics Letters.
2007 article
Magnetic and magnetotransport properties of (AlGaN∕GaN):Mg∕(GaMnN) heterostructures at room temperature
Mahros, A. M., Luen, M. O., Emara, A., Bedair, S. M., Berkman, E. A., El-Masry, N. A., & Zavada, J. M. (2007, June 18). Applied Physics Letters.
2007 patent
Optoelectonic devices having arrays of quantum-dot compound semiconductor superlattices therein
Washington, DC: U.S. Patent and Trademark Office.
2005 article
Effect of doping on the magnetic properties of GaMnN: Fermi level engineering
Reed, M. J., Arkun, F. E., Berkman, E. A., Elmasry, N. A., Zavada, J., Luen, M. O., … Bedair, S. M. (2005, March 2). Applied Physics Letters.
2005 article
Five-nanometer thick silicon on insulator layer
Elmasry, N. A., Hunter, M., ElNaggar, A., & Bedair, S. M. (2005, November 15). Journal of Applied Physics.
2005 journal article
Magnetic properties of Mn-doped GaN andp-i-n junctions
Physica Status Solidi (c), 2(7), 2403–2406.
2005 patent
Optoelectronic devices having arrays of quantum-dot compound semiconductor superlattices therein
Washington, DC: U.S. Patent and Trademark Office.
2004 article
Dependence of ferromagnetic properties on carrier transfer at GaMnN∕GaN:Mg interface
Arkun, F. E., Reed, M. J., Berkman, E. A., El-Masry, N. A., Zavada, J. M., Reed, M. L., & Bedair, S. M. (2004, October 25). Applied Physics Letters.
2004 journal article
Design of white light-emitting diodes using InGaN/AlInGaN quantum-well structures
Applied Physics Letters, 84(5), 672–674.
2004 article
Electrical characterization of B10 doped diamond irradiated with low thermal neutron fluence
Reed, M. L., Reed, M. J., Jagannadham, K., Verghese, K., Bedair, S. M., El-Masry, N., & Butler, J. E. (2004, June 24). Journal of Vacuum Science & Technology A Vacuum Surfaces and Films, Vol. 22, pp. 1191–1194.
Contributors: M. Reed n, M. Reed n, K. Jagannadham n , K. Verghese n, n, N. El-Masry n, J. Butler *
2004 patent
Methods of forming nano-scale electronic and optoelectronic devices using non-photolithographically defined nano-channel templates
Washington, DC: U.S. Patent and Trademark Office.
2002 article
Effect of H2 on nitrogen incorporation in the metalorganic chemical vapor deposition of GaAs1−yNy (0⩽y⩽0.08)
Moody, B. F., Barletta, P. T., El-Masry, N. A., Roberts, J. C., Aumer, M. E., LeBoeuf, S. F., & Bedair, S. M. (2002, April 8). Applied Physics Letters.
2002 article
Effects of tensile, compressive, and zero strain on localized states in AlInGaN/InGaN quantum-well structures
Aumer, M. E., LeBoeuf, S. F., Moody, B. F., Bedair, S. M., Nam, K., Lin, J. Y., & Jiang, H. X. (2002, April 29). Applied Physics Letters.
2002 personal communication
Ultraviolet-visible metal-semiconductor-metal photodetectors fabricated from InxGa1-xN (0 <= x <= 0.13)
Roberts, J. C., Parker, C. A., Muth, J. F., Leboeuf, S. F., Aumer, M. E., Bedair, S. M., & Reed, M. J. (2002, January 1).
2001 article
Relaxation of InGaN thin layers observed by X-ray and transmission electron microscopy studies
Liliental-Weber, Z., Benamara, M., Washburn, J., Domagala, J. Z., Bak-Misiuk, J., Piner, E. L., … Bedair, S. M. (2001, April 1). Journal of Electronic Materials.
2001 article
Room temperature ferromagnetic properties of (Ga, Mn)N
Reed, M. L., El-Masry, N. A., Stadelmaier, H. H., Ritums, M. K., Reed, M. J., Parker, C. A., … Bedair, S. M. (2001, November 19). Applied Physics Letters.
2001 article
Room temperature magnetic (Ga,Mn)N: a new material for spin electronic devices
Reed, M. L., Ritums, M. K., Stadelmaier, H. H., Reed, M. J., Parker, C. A., Bedair, S. M., & El-Masry, N. A. (2001, December 1). Materials Letters.
2001 article
Self-assembled AlInGaN quaternary superlattice structures
El-Masry, N. A., Behbehani, M. K., LeBoeuf, S. F., Aumer, M. E., Roberts, J. C., & Bedair, S. M. (2001, September 10). Applied Physics Letters.
2001 article
Strain-induced piezoelectric field effects on light emission energy and intensity from AlInGaN/InGaN quantum wells
Aumer, M. E., LeBoeuf, S. F., Moody, B. F., & Bedair, S. M. (2001, December 3). Applied Physics Letters.
2001 article
Ultraviolet Raman study of A1(LO) and E2 phonons in InxGa1−xN alloys
Alexson, D., Bergman, L., Nemanich, R. J., Dutta, M., Stroscio, M. A., Parker, C. A., … Adar, F. (2001, January 1). Journal of Applied Physics.
2000 article
Critical layer thickness determination of GaN/InGaN/GaN double heterostructures
Reed, M. J., El-Masry, N. A., Parker, C. A., Roberts, J. C., & Bedair, S. M. (2000, December 18). Applied Physics Letters.
2000 article
Effects of tensile and compressive strain on the luminescence properties of AlInGaN/InGaN quantum well structures
Aumer, M. E., LeBoeuf, S. F., Bedair, S. M., Smith, M., Lin, J. Y., & Jiang, H. X. (2000, August 7). Applied Physics Letters.
2000 article
Epitaxial Y2O3 films grown on Si(111) by pulsed-laser ablation
Hunter, M. E., Reed, M. J., El-Masry, N. A., Roberts, J. C., & Bedair, S. M. (2000, April 3). Applied Physics Letters.
2000 article
Exploring the effects of tensile and compressive strain on two-dimensional electron gas properties within InGaN quantum wells
LeBoeuf, S. F., Aumer, M. E., & Bedair, S. M. (2000, July 3). Applied Physics Letters.
2000 article
Mn-prelayer effects on the epitaxial growth of MnSb on (111)B GaAs by pulsed laser deposition
Liu, S. X., Bedair, S. M., & El-Masry, N. A. (2000, January 1). Materials Letters.
2000 article
The planar Hall effect in MnSb films and MnSb-based multilayer structures grown on (111)B GaAs
Reed, M. L., Liu, S. X., Roberts, J. C., Stadelmaier, H. H., Bedair, S. M., & El-Masry, N. A. (2000, August 1). Journal of Magnetism and Magnetic Materials.
1999 article
Determination of the critical layer thickness in the InGaN/GaN heterostructures
Parker, C. A., Roberts, J. C., Bedair, S. M., Reed, M. J., Liu, S. X., & El-Masry, N. A. (1999, November 1). Applied Physics Letters.
1999 article
Effect of growth temperature on point defect density of unintentionally doped GaN grown by metalorganic chemical vapor deposition and hydride vapor phase epitaxy
Joshkin, V. A., Parker, C. A., Bedair, S. M., Muth, J. F., Shmagin, I. K., Kolbas, R. M., … Molnar, R. J. (1999, July 1). Journal of Applied Physics.
1999 article
High optical quality AlInGaN by metalorganic chemical vapor deposition
Aumer, M. E., LeBoeuf, S. F., McIntosh, F. G., & Bedair, S. M. (1999, November 22). Applied Physics Letters.
1999 article
Optical Absorption, Raman, and Photoluminescence Excitation Spectroscopy of Inhomogeneous InGaN Films
Robins, L. H., Paul, A. J., Parker, C. A., Roberts, J. C., Bedair, S. M., Piner, E. L., & El-Masry, N. A. (1999, January 1). MRS Internet Journal of Nitride Semiconductor Research.
1999 article
Optical band gap dependence on composition and thickness of InxGa1−xN (0<x<0.25) grown on GaN
Parker, C. A., Roberts, J. C., Bedair, S. M., Reed, M. J., Liu, S. X., El-Masry, N. A., & Robins, L. H. (1999, October 25). Applied Physics Letters.
1999 article
Phase separation and ordering coexisting in InxGa1−xN grown by metal organic chemical vapor deposition
Behbehani, M. K., Piner, E. L., Liu, S. X., El-Masry, N. A., & Bedair, S. M. (1999, October 11). Applied Physics Letters.
1998 article
Fine structure of near-band-edge photoluminescence in He+-irradiated GaN grown on SiC
Joshkin, V. A., Parker, C. A., Bedair, S. M., Krasnobaev, L. Y., Cuomo, J. J., Davis, R. F., & Suvkhanov, A. (1998, June 1). Applied Physics Letters.
1998 patent
Methods of forming indium gallium nitride or aluminum indium gallium nitride using controlled hydrogen gas flow
Washington, DC: U.S. Patent and Trademark Office.
1998 article
Phase separation in InGaN grown by metalorganic chemical vapor deposition
El-Masry, N. A., Piner, E. L., Liu, S. X., & Bedair, S. M. (1998, January 5). Applied Physics Letters.
1997 article
Effect of hydrogen on the indium incorporation in InGaN epitaxial films
Piner, E. L., Behbehani, M. K., El-Masry, N. A., McIntosh, F. G., Roberts, J. C., Boutros, K. S., & Bedair, S. M. (1997, January 27). Applied Physics Letters.
1997 article
Epitaxial deposition of GaInN and InN using the rotating susceptor ALE system
McIntosh, F. G., Piner, E. L., Roberts, J. C., Behbehani, M. K., Aumer, M. E., El-Masry, N. A., & Bedair, S. M. (1997, March 1). Applied Surface Science.
1997 article
Growth and characterization of In-based nitride compounds
Bedair, S. M., McIntosh, F. G., Roberts, J. C., Piner, E. L., Boutros, K. S., & El-Masry, N. A. (1997, June 1). Journal of Crystal Growth.
1997 article
Impurity dependence on hydrogen and ammonia flow rates in InGaN bulk films
Piner, E. L., Behbehani, M. K., El-Masry, N. A., Roberts, J. C., McIntosh, F. G., & Bedair, S. M. (1997, October 6). Applied Physics Letters.
1997 article
Optical memory effect in GaN epitaxial films
Joshkin, V. A., Roberts, J. C., McIntosh, F. G., Bedair, S. M., Piner, E. L., & Behbehani, M. K. (1997, July 14). Applied Physics Letters.
1997 journal article
Optical transitions in InGaN/AlGaN single quantum wells
Journal of Vacuum Science & Technology. B, Microelectronics and Nanometer Structures, 15(4), 1139–1143.
1997 patent
Stacked quantum well aluminum indium gallium nitride light emitting diodes
Washington, DC: U.S. Patent and Trademark Office.
1992 article
Criterion for suppressing wafer bow in heterostructures by selective epitaxy
El-Masry, N. A., Hussien, S. A., Fahmy, A. A., Karam, N. H., & Bedair, S. M. (1992, June 1). Materials Letters.
1990 article
A criterion for the suppression of plastic deformation in laser-assisted chemical vapor deposition of GaAs
Hussien, S. A., Fahmy, A. A., El-Masry, N. A., & Bedair, S. M. (1990, April 15). Journal of Applied Physics.
patent
Gradient lens fabrication
Reeber, R. R., Chu, W. K., & Bedair, S. M. Washington, DC: U.S. Patent and Trademark Office.
journal article
Indium-based nitride compounds
Bedair, S. M. Semiconductors and Semimetals, 50(1998), 127–166.
conference paper
Strain relaxation in InxGa1-xN/GaN quantum well structures
Emara, A. M., Berkman, E. A., Zavada, J., El-Masry, N. A., & Bedair, S. M. Physica status solidi c: current topics in solid state physics, vol 8, no 7-8, 8(7-8).
patent
Transition metal doped ferromagnetic III-V nitride material films and methods of fabricating the same
ElMasry, N. A., Bedair, S. M., Reed, M. L., & Stadelmaier, H. Washington, DC: U.S. Patent and Trademark Office.