Ehab Omar

Dr. Ehab Omar received his BSc in Physics from Ain Shams University in Egypt in 2005 and PhD in Condensed Matter Physics from Wayne State University in 2016. While studying for his PhD and as a post-doc, he became knowledgeable of the synthesis and characterization of different multiferroic and magneto-electric systems, with most magnetic and ferroelectric measurements carried out at cryogenic temperatures.

Dr. Omar then held teaching assistant, adjunct professor, and post-doctoral researcher positions at several universities in Egypt and the U.S. before joining Janis Research as a Sales Engineer in 2019. He was Technical Sales Engineer for Lake Shore before his 2023 appointment to his current position, where he answers customer enquiries and often performs technical analysis of their applications to aid in product selection. He believes the lab experience obtained while studying at Wayne State provides him with insights into the type of problems and challenges customers handle in their day-to-day work and enables him to offer the best Lake Shore product for their specific application.

Dr. Omar has also published more than 15 papers and contributed to many scientific meetings, and is currently a reviewer for the Journal of Electronic Materials, Materials Chemistry and Physics, and other scientific journals.

Select Publications

Study of the Dielectric and Magnetic Properties of Multiferroic Ca3Mn2O7
E. Abdelhamid, A. Dixit, and G. Lawes, APS Spring 2011 Meeting Ohio-Region Section, p. P1. 026, 2011.

Characterization and Magnetic Properties of Pure and Transition Metal Doped ZnO Thin Films
E. Abdelhamid, D. Mishra, W. Fawaz, B. Nadgorny, and G. Lawes, APS Fall 2012 Meeting of the APS Ohio-Region Section, Vol. 57, No. 6, p. EB. 003, 2012.

UV-Induced Stable Photoconductivity in Indium Oxide Films
E. Abdelhamid, R. Mukherjee, D. Mishra, A. Dixit, B. Nadgorny, and G. Lawes, APS March Meeting, Vol. 2013, p. Y40. 015, 2013.

Study of the Electric and Magnetic Properties of FeVO4 and Iron Oxide Nanoparticle Composites
E. Abdelhamid, S. Laha, and G. Lawes, APS March Meeting, Vol. 2014, p. T7. 010, 2014.

Investigation of the Multiferroic Behavior in FeVO4 Single Crystals
E. Abdelhamid, K. Kimura, T. Kimura, O. D. Jayakumar, V. M. Naik, R. Naik, and G. Lawes, Bulletin of the American Physical Society, Vol. 60, 2015.

Ferroic Ordering and Charge-Spin-Lattice Order Coupling in Gd Doped Fe3O4 Nanoparticles
S. Laha, E. Abdelhamid, M. P. Arachchige, A. Dixit, G. Lawes, V. Naik, and R. Naik, APS March Meeting, Vol. 2016, p. A6. 005, 2016.

Magnetic and Ferroelectric Anisotropy in Multiferroic FeVO4
E. Abdelhamid, A. Dixit, K. Kimura, T. Kimura, O. Jayakumar, V. Naik, R. Naik, G. Lawes, and B. Nadgorny, APS March Meeting, Vol. 2016, p. T1. 079, 2016.

Multiferroicity In Iron Vanadate, Magnetite, and Polyvinylidene Fluoride Nanocomposite Films
E. H. A. Abdelhamid, 2016.

Enhancement of Dielectric, Ferroelectric, and Magneto-Dielectric Properties in PVDF–BaFe₁₂O₁₉ Composites: A Step Towards Miniaturizated Electronic Devices
P. Anithakumari, B. P. Mandal, E. Abdelhamid, R. Naik, and A. K. Tyagi, RSC Advances, 2016.

Three-Dimensional Assemblies of Fe2-xNixP (0 ≤ x ≤ 2) and Co2-yFeyP (0≤ y ≤ 2) Nanoparticles and Their Magnetic Properties: Towards Effective Magnetic Refrigerant Materials
M. Hettiarachchi, S. Brock, E. Abdelhamid, and B. Nadgorny, Abstracts of Papers of the American Chemical Society, Vol. 255, 2018.

Study of Electrical Percolation in CrO2/Cr2O3 Nanoparticle Composite System
S. Pokhrel, B. Waters, E. Abdelhamid, Z. F. Huang, and B. Nadgorny, APS March Meeting, Vol. 2019, p. X48. 002, 2019.

Exchange Bias Enhancement and Magnetic Proximity Effect in FeVO4-Fe3O4 Nanoparticles
E. Abdelhamid, S. S. Laha, A. Dixit, G. A. Nazri, O. D. Jayakumar, and B. Nadgorny, Journal of Electronic Materials, Vol. 48, Issue 5, pp. 3297–3303, 2019.

Microstrain Induced Deviation from Néel’s 1/d Behaviour: Size-Dependent Magnetization in Bi1-xCaxFe1-yTiyO3-δ Nanoparticles
P. S. V. Mocherla, M. B. Sahana, E. Abdelhamid, D. Hajra, B. Nadgorny, R. Naik, R. Gopalan, M. S. R. Rao, B. R. K. Nanda, and C. Sudakar, arXiv, arXiv: 1703.07190, 2017.

Ferroic Ordering and Charge‐Spin‐Lattice Order Coupling in Gd‐Doped Fe3O4 Nanoparticles Relaxor Multiferroic System
S. S. Laha, E. Abdelhamid, M. P. Arachchige, A. Kumar, and A. Dixit, Journal of the American Ceramic Society, Vol. 100, Issue 4, 1534–1541, 2017.

Anisotropic Manganese Antimonide Nanoparticle Formation by Solution-Solid-Solid Growth Mechanism: Consequence of Sodium Borohydride Addition Towards Reduced Surface Oxidation and Enhanced Magnetic Moment
M. A. Hettiarachchi, E. Abdelhamid, B. Nadgorny, and S. L. Brock, Nanoscale, Vol. 11, Issue 14, 6886–6896, 2019.

Synthesis of Activated Carbons Derived from Avocado Shells as Cathode Materials for Lithium-Sulfur Batteries
W. Fawaz, N. Mosavati, E. Abdelhamid, and K. Y. S. Ng, SN Applied Sciences, Vol. 1, Issue 4, p. 289, 2019.

Enhanced Magneto-Dielectric Coupling in Multiferroic Fe and Gd Codoped PbTiO3 Nanorods Synthesized via Microwave Assisted Technique
D. P. Dutta, B. P. Mandal, E. Abdelhamid, R. Naik, and A. K. Tyagi, Dalton Transactions, Vol. 44, Issue 25, 11388–11398, 2015.

Synthesis of Colloidal MnSb Nanoparticles: Consequences of Size and Surface Characteristics on Magnetic Properties
M. A. Hettiarachchi, E. Abdelhamid, B. Nadgorny, and S. L. Brock, Journal of Materials Chemistry C, Vol. 4, Issue 28, 6790–6797, 2016.

Effect of Transition Metal Doping on Multiferroic Ordering in FeVO4
A. Kumarasiri, E. Abdelhamid, A. Dixit, and G. Lawes, Physical Review B, Vol. 91, Issue 1, 014420, 2015.

Multiferroic PVDF-Fe3O4 Hybrid Films with Reduced Graphene Oxide and ZnO Nanofillers
E. H. Abdelhamid, O. D. Jayakumar, V. Kotari, B. P. Mandal, R. Rao, V. M. Naik, R. Naik, and A. K. Tyagi, RSC Advances, Vol. 6, Issue 24, 20089–20094, 2016.

Enhancement of Dielectric, Ferroelectric and Magneto-Dielectric Properties in PVDF-BaFe12O19 Composites: A Step Towards Miniaturizated Electronic Devices
P. Anithakumari, B. P. Mandal, E. Abdelhamid, R. Naik, and A. K. Tyagi, RSC Advances, Vol. 6, Issue 19, 16073–16080, 2016.

Improvement of Magnetodielectric Coupling by Surface Functionalization of Nickel Nanoparticles in Ni and Polyvinylidene Fluoride Nanohybrids
B. P. Mandal, K. Vasundhara, E. Abdelhamid, G. Lawes, H. G. Salunke, and A. K. Tyagi, The Journal of Physical Chemistry C, Vol. 118, Issue 36, 20819–20825, 2014.

Fabrication of Flexible and Self-Standing Inorganic-Organic Three Phase Magneto-Dielectric PVDF Based Multiferroic Nanocomposite Films Through a Small Loading of Graphene Oxide (GO) and Fe3O4 Nanoparticles
O. D. Jayakumar, E. H. Abdelhamid, V. Kotari, B. P. Mandal, R. Rao, Jagannath, V. M. Naik, R. Naik, and A. K. Tyagi, Dalton Transactions, Vol. 44, Issue 36, 15872–15881, 2015.