Dr. Somia Mostafa El-Hefnawy Profile

Dr. Somia Mostafa El-Hefnawy

at Mansoura Univ

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Author

Publications (7)

Proceedings Article | 22 May 2009 Paper

IR analysis of polyvinylidene fluoride doped with transition metal halides

Somia El Hefnawy, Mervet Aboelkher, H. Abdelkader

Proceedings Volume 7378, 73780T (2009) https://doi.org/10.1117/12.820521

KEYWORDS: Ferroelectric polymers, Crystals, Doping, Transition metals, Quantitative analysis, Polymers, Annealing, Radiation effects, Transducers, Imaging arrays

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Proceedings Article | 22 May 2009 Paper

X-ray analysis of polyvinylidene fluoride doped with transition metal halides

Somia El Hefnawy, Mervet Aboelkher, H. Abdelkader

Proceedings Volume 7378, 73780U (2009) https://doi.org/10.1117/12.819433

KEYWORDS: Crystals, Ferroelectric polymers, Annealing, Doping, X-ray diffraction, X-rays, Transition metals, Diffraction, Polymers, Actinium

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Proceedings Article | 25 July 2003 Paper

Using genetic algorithms for developing amorphous silicon atomistic model

Somia El-Hefnawy

Proceedings Volume 4986, (2003) https://doi.org/10.1117/12.473070

KEYWORDS: Chemical species, Amorphous silicon, Genetic algorithms, Crystals, Systems modeling, Data modeling, Computer simulations, Evolutionary algorithms, Computing systems, 3D modeling

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Proceedings Article | 7 October 1999 Paper

Mathematical modeling of human eye retina for solving edge-detection problem

Somia El-Hefnawy, Abed Nasr

Proceedings Volume 3817, (1999) https://doi.org/10.1117/12.365899

KEYWORDS: Receptors, Retina, Neurons, Visual process modeling, Visualization, Rods, Cones, Edge detection, Sensors, Mathematical modeling

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Proceedings Article | 28 September 1999 Paper

Analysis of optical switches

Abed Nasr, Somia El-Hefnawy

Proceedings Volume 3786, (1999) https://doi.org/10.1117/12.363794

KEYWORDS: Refractive index, Optical switching, Waveguides, Switching, Cladding, Polishing, Fiber couplers, Switches, Liquids, Optical fibers

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Proceedings Article | 29 December 1998 Paper

Volumetric properties for three-dimensional solid objects using optical images

Somia El-Hefnawy, El-Sayed El-Konyaly

Proceedings Volume 3520, (1998) https://doi.org/10.1117/12.334337

KEYWORDS: 3D image processing, Binary data, Optical spheres, Solids, Image processing, Cameras, Computing systems, Algorithm development, 3D modeling, Robots

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Proceedings Article | 23 September 1994 Paper

Photovoltaic effect in ferroelectric polyvinylidene fluoride (PVF2) polymer

Wamadeva Balachandran, A. Tawansi, H. Abdelkader, El-Sayed El-Konyaly, Somia El-Hefnawy

Proceedings Volume 2285, (1994) https://doi.org/10.1117/12.187510

KEYWORDS: Electrons, Thin films, Polymers, Photovoltaics, Electrodes, Ferroelectric polymers, Polymer thin films, Ions, Mathematical modeling, Glasses

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Showing 5 of 7 publications

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