Frequency and voltage dependence of electrical conductivity, complex electric modulus, and dielectric properties of Al/Alq3/p-Si structure

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dc.contributor.authorOrak, Ikram
dc.contributor.authorKarabulut, Abdulkerim
dc.date.accessioned2025-03-23T19:26:08Z
dc.date.available2025-03-23T19:26:08Z
dc.date.issued2020
dc.departmentSinop Üniversitesi
dc.description.abstractIn order to enhance the capacitance of the Al/p-Si metal-semiconductor structure, the Alq(3) thin film was coated between these two layers using the spin coating technique as the interlayer. The electrical conductivity, real and imaginary parts of electric modulus, dielectric loss and dielectric constant parameters were examined at the room temperature by the help of admittance measurements in the 100 kHz to 1 MHz frequency range. The effect of frequency on the dielectric constant and dielectric loss values is negligible at the negative voltage values, up to about 0.8 V, and these values rapidly ascended after 0.8 V. The function of electrical modulus complex has been examined from the point of permittivity and impedance in order to clutch the contribution of the particle border on the relaxation mechanism of the materials. It is established that the examined dielectric parameters strongly correlated with the voltage and frequency. As a result, the changes in the dielectric parameters and electrical modulus due to the varying frequency were described as the results of relaxation process, polarization and surface conditions. Furthermore, it could be stated that the Alq(3) material used in the interfacial layer is a useful material which could be used in addition to the conventional materials.
dc.identifier.doi10.3906/fiz-1907-21
dc.identifier.endpage94
dc.identifier.issn1300-0101
dc.identifier.issn1303-6122
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85084761640
dc.identifier.scopusqualityQ2
dc.identifier.startpage85
dc.identifier.trdizinid335212
dc.identifier.urihttps://doi.org/10.3906/fiz-1907-21
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/335212
dc.identifier.urihttps://hdl.handle.net/11486/4641
dc.identifier.volume44
dc.identifier.wosWOS:000514195000009
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherTubitak Scientific & Technological Research Council Turkey
dc.relation.ispartofTurkish Journal of Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250323
dc.subjectDielectric properties
dc.subjectspin coating
dc.subjectAl/Alq(3)/p-Si
dc.subjectfrequency and voltage dependency
dc.titleFrequency and voltage dependence of electrical conductivity, complex electric modulus, and dielectric properties of Al/Alq3/p-Si structure
dc.typeArticle

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