1. Makhlouf, M.M. and H.M. Zeyada, 2016. Synthesis, structural analysis, spectrophotometric measurements and semiconducting properties of 3-phenyl azo-4-hydroxycoumarin thin films. Synth. Metals, 211: 1-13.
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2. Zeyada, H.M., M.M. Makhlouf, M.I.M. Ismail and A.A. Salama, 2015. Thermal behavior, structure formation and optical characteristics ofnanostructured basic fuchsine thin films. Mater. Chem. Phys., 163: 45-53.
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3. Zeyada, H.M., M.M. Makhlouf and M.M. El-Nahass, 2015. Influence of gamma ray irradiation and annealing temperature on the optical constants and spectral dispersion parameters of metal-free and zinc tetraphenylporphyrin thin films: A comparative study. Spectrochim. Acta Part Mol. Biomol. Spectrosc., 148: 338-347.
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4. Zeyada, H.M., M.M. El-Nahass, E.M. El-Menyawy and A.S. El-Sawah, 2015. Electricalandphotovoltaiccharacteristics of indiumphthalocyanine chloride/p-SiSolar cell. Synth. Metals, 207: 46-53.
5. Zeyada, H.M. and M.M. Makhlouf, 2015. Electrical conduction mechanisms and dielectric constants of nanostructured methyl violet 2B thin films. Appl. Phys., 119: 1109-1118.
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6. Makhlouf, M.M. and H.M. Zeyada, 2015. Effect of annealing temperature and X-ray irradiation on the performance of tetraphenylporphyrin/p-type silicon hybrid solar cell. Solid-State Electron., 105: 51-57.
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7. Abdelghany, A.M., H. M. Zeyada, H.A. ElBatal and R. Fetouh, 2015. Synthesis and Spectral Properties of Nd2O-Doped SodiumSilicophosphate Glass. Silicon, 10.1007/s12633-015-9308-5.
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8. Makhlouf, M.M., A. El-Denglawey, H.M. Zeyada and M.M. El-Nahass, 2014. The structural and optical characterizations of tetraphenylporphyrin thin films. J. Lumin., 147: 202-208.
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9. El-Nahass, M.M., H.M. Zeyada, K.F.A. El-Rahman and A.A.A. Darwish, 2013. Structural characterization and electrical properties of nanostructured 4-tricyanovinyl-N,N-diethylaniline thin film. Eur. Phys. J. Appl. Phys., 62: 1-6.
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10. Zeyada, H.M., M.M. EL-Nahass and S.A. Samak, 2012. Effect of γ-ray irradiation on structure formation and optical constants of thermally evaporated rhodamine B thin films. J. Non-Cryst. Solids, 358: 915-920.
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11. Zeyada, H.M., M.M. EL-Nahass and M.M. EL-Shabaan, 2012. Gamma-ray irradiation induced structural and optical constants changes of thermally evaporated neutral red thin films. J. Mater. Sci., 47: 493-502.
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12. El-Nahass, M.M., K.F. Abd-El-Rahman, H.M. Zeyada and A.A.A. Darwish, 2012. Influence of γ- irradiation on the optical parameters of 4-tricyanovinyl-N,N-diethylaniline thin films. Opt. Commun., 285: 2864-2867.
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13. Zeyada, H.M., M.M. El-Nahass, I.K. El-Zawawi and E.M. El-Menyawy, 2011. Influence of annealing on the structure formation and optical absorption parameters of 2-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol -4-ylimino) -2-(4-nitrophenyl) acetonitrile thin films. Ind. J. Phys., 85: 1267-1276.
14. Zeyada, H.M., M.M. El-Nahass and M.M. Makhlouf, 2011. Electronic transport mechanisms in tetraphenyleprophyrin thin films. Curr. Appl. Phys., 11: 1326-1331.
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15. Zeyada, H.M., M.M. El-Nahass and M.A. Ali, 2011. Transport mechanisms and photovoltaic properties of zinctetraphenylporphyrin/n-type silicon heterojunction solar cell. Eur. Phys. J. Appl. Phys., 56: 10201-10201.
16. Zeyada, H.M., M.M. EL-Nahass, I.S. Elashmawi and A.A. Habashi, 2011. Annealing temperatures induced optical constant variations of methyl violet 2B thin films manufactured by the spin coating technique. J. Non-Cryst. Solids, 358: 625-636.
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17. El- Menyawy, E.M., H.M. Zeyada and M.M. El- Nahass, 2011. Structural, electrical and optical properties of N- (Polimethylamino-benzylidene)- p- nitroaniline thin films. Int. J. Nanoelectron. Mater., 4: 121-134.
18. Zeyada, H.M., M.M. El-Nahass, I.K. El-Zawawi and E.M. El-Menyawy, 2010. Structural and optical properties of thermally evaporated 2-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-ylimino)- 2-(4-nitrophenyl)acetonitrile thin films. J. Phys. Chem. Solids, 71: 867-873.
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19. Zeyada, H.M., M.M. El-Nahass, I.K. El-Zawawi and E.M. El-Menyawy, 2010. Characterization of 2-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl- 1H-pyrazol-4-ylimino)-2-(4-nitrophenyl) acetonitrile and ZnO nano-crystallite structure thin films for application in solar cells. Eur. Phys. J. Appl. Phys., 49: 10301-10307.
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20. El-Menyawy, M., H.M. Zeyada and M.M. El-Nahass, 2010. AC conductivity and dielectric properties of 2-(2,3-dihydro-1,5-dimethyl-3-oxo-2- phenyl-1H-pyrazol-4-ylimino)-2-(4-nitrophenyl) acetonitrile thin films. Solid State Sci., 12: 2182-2187.
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21. Zeyada, H.M., M.S. Aziz and A.S.Behairy, 2009. Structure formation and mechanisms of DC conduction inthermally evaporated nanocrystallite structure ZnIn2Se4 thin films. Phys. Condens. Matter, 404: 3957-3963.
22. Zeyada, H.M., M.S. Aziz and A.S. Behairy, 2009. Absorption and dispersion studies of thermally evaporated nanocrystallite structure ZnIn2Se4 thin films. Eur. Phys. J. Appl. Phys., 45: 30601-30606.
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23. Zeyada, H.M., M.M. El-Nahass and E.M. El-Menyawy, 2008. Fabricationandtransportmechanismsof2-(2,3-dihydro-1,5-dimethyl-3-oxo- 2-phenyl-1H-pyrazol-4-ylimino)-2-(4-nitrophenyl)acetonitrile/p-silicon hybridsolarcell. Solar Energy Mater. Solar, 92: 1586-1592.
24. Zeyada, H.M. and M.M. El-Nahass, 2008. Electrical properties and dielectric relaxation of thermally evaporated zinc phthalocyanine thin films. Appl. Surf. Sci., 254: 1852-1858.
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25. El-Nahass, M.M., H.M. Zeyada, K.F.A. El-Rahman, A.A.M. Farag and A.A.A. Darwish, 2008. Fourier-transform infrared and optical absorption spectra of 4-tricyanovinyl-N,N-diethylaniline thin films. Spectrochim. Acta Part Mol. Biomol. Spectrosc., 69: 205-210.
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26. El-Nahass, M.M., H.M. Zeyada, M.S. Aziz and M.M. Makhlouf, 2007. Influence of high-energy X-ray irradiation on the optical properties of tetraphenylporphyrin thin films. Opti. Laser. Technol., 39: 347-352.
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27. El-Nahass, M.M., H.M. Zeyada, K.F.A. El-Rahman and A.A.A. Darwish, 2007. Investigation of electrical properties of organic 4-tricyanovinyl-N,N-diethylaniline thin film. Appl. Surf. Sci., 253: 8597-8601.
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28. El-Nahass, M.M., H.M. Zeyada, K.F.A. El-Rahman and A.A.A. Darwish, 2007. Fabrication and characterization of 4-tricyanovinyl-N,N-diethylaniline/p-silicon hybrid organic-inorganic solar cells. Solar Energy Mater. Solar Cells, 91: 1120-1126.
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29. El-Nahass, M.M., H.M. Zeyada, M.M. El-Samanoudy and E.M. El-Menyawy, 2006. Electrical conduction mechanisms and dielectric properties of thermally evaporated N-(p-dimethylaminobenzylidene)-p-nitroaniline thin films. J. Phys. Condens. Matter, 18: 5163-5173.
30. El-Nahass, M.M., H.M. Zeyada, M.S. Aziz and N.A. El-Ghamaz, 2005. Carrier transport mechanisms and photovoltaic properties of Au/p-ZnPc/p-Si solar cell. Solid-State Electron., 49: 1314-1319.
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31. El-Nahass, M.M., H.M. Zeyada, M.S. Aziz and M.M. Makhlouf, 2005. Optical absorption of tetraphenylporphyrin thin films in UV-VIS-NIR region. Spectrochim. Acta Part Mol. Biomol. Spectrosc., 61: 3026-3031.
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32. El-Nahass, M.M., H.M. Zeyada, M.S. Aziz and M.M. Makhlouf, 2005. Current transport mechanisms and photovoltaic properties of tetraphenylporphyrin/n-type silicon heterojunction solar cell. Thin Solid Films, 492: 290-297.
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33. El-Nahass, M.M., H.M. Zeyada, M.S. Aziz and N.A. El-Ghamaz, 2004. Structural and optical properties of thermally evaporated zinc phthalocyanine thin films. Opt. Mater., 27: 491-498.
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34. El-Nahass, M.M., H.M. Zeyada and A.A. Hendi, 2004. Structural and optical properties of vacuum deposited thin films of (E)[a(2,5 Dimethylfuryl ) Ethylidene] (Dicyclopropyl Methylene)2,5 furadione. Opt. Mater., 25: 43-52.
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35. El-Nahass, M.M., H.M. Zeyada and A.A. Hendi, 2004. Electrical transport properties of thermally deposited thin films of (E)[a(2,5 Dimethylfuryl ) Ethylidene] (Dicyclopropyl Methylene)2,5 furadione. Eur. Phys. J. Appl. Phys., 25: 85-85.
36. Shama, A. and H.M. Zeyada, 2003. Electronic dielectric constants ofthermally evaporated SnS thin films. Opt. Mater., 24: 555-561.
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37. Zeyada, H.M., M.S. Aziz and M.M. Makhlouf, 2002. Plasma Characterization in an Orbitron Source. Arab J. Nucl. Sci. Appli., 35: 197-205.
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38. El-Nahass, M.M., H.M. Zeyada, M.S. Aziz and N.A. El-Ghamaz, 2002. Optical Properties of Thermally Evaporated SnS Thin Films. Opt. Mater., 20: 159-170.
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39. Aziz, M.S., H.M. Zeyada and M.M. Makhlouf, 2002. The Influence of Magnetic Field on Plasma Characteristics and Steel Nitriding in an Orbitron Plasma Source. Arab J. Nucl. Sci. Appli., 35: 207-214.
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40. Zeyada, H.M., M.S. Aziz and M.A. El-Zomor, 2000. Room Temperature Plasma Nitriding Using an Orbitron Ion Source. Egypt. J. Solids, 23: 159-159.