Ac electrical properties of thermally evaporated thin films of copper phthalocyanine

RD Gould, AK Hassan - Thin Solid Films, 1993 - Elsevier
The ac electrical properties of copper phthalocyanine (CuPc) thin films have been studied in
the frequency range 10 2− 2× 10 4 Hz and in the temperature range 173–360 K. The ac …

Effect of Plasma pretreatment and Graphene oxide ratios on the transport properties of PVA/PVP membranes for fuel cells

MO Abdel-Hamed, AA Draz, M Khalaf… - Scientific Reports, 2024 - nature.com
In this study, a novel proton-conducting polymer electrolyte membrane based on a mixture of
polyvinyl alcohol (PVA)/polyvinyl pyrrolidone (PVP)(1: 1) mixed with different ratios of …

Dielectrical, conduction mechanism and thermal properties of rhodanine azodyes

NA El-Ghamaz, AZ El-Sonbati, MA Diab… - Materials science in …, 2014 - Elsevier
In this paper, we report on the differential scanning calorimetry analysis (DSC) and
thermogravimetric analysis (TGA) performed for 5-(4'-derivatives phenylazo)-2 …

Nanostructure analysis and dielectric properties of PVA/sPTA proton exchange membrane for fuel cell applications: Positron lifetime study

WM Mohammed, S Awad, EE Abdel-Hady… - Radiation Physics and …, 2023 - Elsevier
Proton exchange membranes made of cross-linked polyvinyl alcohol and sulfophthalic acid
(PVA-sPTA) were successfully fabricated by casting method and crosslinked at 100° C with …

Conductivity and dielectric properties of silicon nitride thin films prepared by RF magnetron sputtering using nitrogen gas

SA Awan, RD Gould - Thin Solid Films, 2003 - Elsevier
Silicon nitride is an important material in very-large-scale integration fabrication and
processing. Recent work on films prepared by radio frequency magnetron sputtering using …

[PDF][PDF] Dielectric and electric modulus studies on Ni (II) tetraphenyl porphyrin thin films

AM Nawar, HM Abd El-Khalek, MM El-Nahass - Org. Opto-Elect, 2015 - researchgate.net
Ni (II) tetraphenyl porphyrin, NiTPP, thin films were successfully prepared by using thermal
evaporation technique. The dielectric properties and AC conductivity of thermally …

AC conductivity and dielectric measurements of metal-free phthalocyanine thin films dispersed in polycarbonate

AS Riad, MT Korayem, TG Abdel-Malik - Physica B: Condensed Matter, 1999 - Elsevier
The dielectric constant and the dielectric loss of thin films of metal-free phthalocyanine
dispersed in polycarbonate using ohmic gold electrodes are investigated in the frequency …

Structural and dielectric properties of Au/perylene-66/p-Si/Al hybrid heterojunction diode

MM Shehata, MO Abdel-Hamed, K Abdelhady - Vacuum, 2018 - Elsevier
Perylene-66 thin films were efficiently prepared at room temperature utilizing thermal
evaporation technique (TET). The XRD and FT-IR of the powder and the as-deposited film …

Ac conductivity and dielectric properties of bulk tin phthalocyanine dichloride (SnPcCl2)

MM El-Nahass, AM Farid, KF Abd El-Rahman… - Physica B: Condensed …, 2008 - Elsevier
The ac conductivity, σac (ω), has been measured for bulk tin phthalocyanine dichloride
(SnPcCl2) in the form of compressed pellet with evaporated ohmic Au electrodes in a …

Dielectric properties of AlNx thin films prepared by RF magnetron sputtering of Al using a N2/Ar sputtering gas mixture

RD Gould, SA Awan - Thin Solid Films, 2004 - Elsevier
Aluminium nitride is a low conductivity material which has applications as a dielectric and
passivation layer in microelectronics. Normally, this material is prepared using chemical …