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Size and Temperature Effect on Electrical Conductivity, Dielectric Properties, and Electrical Switching Memory Application of Nanocrystalline Na-DDQ (Metal-Organic Frameworks
Faculty
Science
Year:
2021
Type of Publication:
ZU Hosted
Pages:
103017
Authors:
Walid Mohamed Ahmed Desouqy
Staff Zu Site
Abstract In Staff Site
Journal:
ECS Journal of Solid State Science and Technology IOP
Volume:
Keywords :
Size , Temperature Effect , Electrical Conductivity, Dielectric
Abstract:
Organometallic Sodium-2, 3-Dichloro-5, 6-dicyano-p-benzoquinone (Na-DDQ) films were synthesized using a conventional thermal vacuum deposition technique at ambient temperature. DC electrical resistivity was measured over a wide range of thicknesses and temperatures. This helps in investigating the different size-effect parameters, for instance the bulk mean free path (λ o), bulk resistivity (ρ o), grain-boundary transmission coefficient (t), surface scattering factor (p), external surface parameters (U), and grain-boundary parameter (V) in specular and non-specular conditions. The contribution of grain-boundary and surface resistivity to total resistivity was then estimated. Additionally, the AC conductivity (σ ac) and dielectric (ε) behavior of Na-DDQ films were examined at the same temperature in the frequency range (50 Hz-5 MHz). Thus, the temperature dependence of frequency exponent factor (s)
Author Related Publications
Walid Mohamed Ahmed Desouqy, "Influence of Temperature and Thickness on the Thermoelectric Power of Nanocrystalline Na-DDQ Thin Film and Its Diode Application", Springer, 2021
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Walid Mohamed Ahmed Desouqy, "Enhancement of elastic, optical and opto-electrical properties of Ni-Substituted CoFe2O4 nanoparticles with different concentrations", Elsevier, 2021
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Walid Mohamed Ahmed Desouqy, "Structural, optical properties and junction characteristics, Au/n-KDDQ/p-Si/Al, of potassium-2, 3-dicyano-5, 6-dichloro-1, 4-benzo-quinone (KDDQ) films", Elsevier, 2019
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Walid Mohamed Ahmed Desouqy, "Search for spontaneous edge currents and vortex imaging in Sr 2 Ru O 4 mesostructures", PHYSICAL REVIEW B, 2014
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Walid Mohamed Ahmed Desouqy, "Spontaneous symmetry breaking in vortex systems with two repulsive lengthscales", Nature, 2015
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