Preparation and characterization of orthorhombic AgMn alloys by the pulsed laser welding technique

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dc.authoridAtef Fayez Qasrawi / 0000-0001-8193-6975en_US
dc.authorscopusidAtef Fayez Qasrawi / 6603962677
dc.authorwosidAtef Fayez Qasrawi / R-4409-2019
dc.contributor.authorKhanfar, Hazem K.
dc.contributor.authorQasrawi, Atef Fayez
dc.date.accessioned2022-06-03T07:30:56Z
dc.date.available2022-06-03T07:30:56Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Bölümüen_US
dc.description.abstractHerein, AgMn alloys are prepared by the pulsed laser welding technique in an argon atmosphere. The effect of the laser pulses width and stoichiometric composition of the alloys on the structural, compositional, morphological, and electrical properties are investigated. In contrast to the traditional preparation techniques which reveal cubic structure of AgMn alloys, the pulsed laser welding technique reveals the orthorhombic phase of the alloys. The lattice parameters of the orthorhombic phase of AgMn are a = 13.0250 Å, b = 15.7768 Å, c = 2.6728 Å. It is observed that pulse widths of 50 ms are the optimum from preparing these alloys. From an electrical point of view, the AgMn alloys exhibit negative dielectric constant and negative conductance effect in the microwave frequency domain. The impedance spectroscopy analyses in the frequency domain of 0.01–1.80 GHz have shown that AgMn alloys can be employed as band filters with return loss value of ?16 dB. The features of the AgMn alloys which are achieved by the pulsed laser welding technique nominate them for use as negative capacitance and negative conductance transistors. These devices are suitable for noise reduction and parasitic capacitance cancellation.en_US
dc.identifier.citationKhanfar, H. K., Qasrawi, A. F. (2022). Preparation and characterization of orthorhombic AgMn alloys by the pulsed laser welding technique. Crystal Research & Technology.en_US
dc.identifier.doi10.1002/crat.202200034en_US
dc.identifier.issn1521-4079en_US
dc.identifier.scopus2-s2.0-85130710663en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.urihttps://doi.org/10.1002/crat.202200034
dc.identifier.urihttps://hdl.handle.net/20.500.12713/2790
dc.identifier.wosWOS:000800612700001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorQasrawi, Atef Fayez
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofCrystal Research & Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAgMnen_US
dc.subjectBand Filteren_US
dc.subjectNegative Conductanceen_US
dc.subjectOrthorhombic Phasesen_US
dc.subjectPulsed Laser Weldingen_US
dc.titlePreparation and characterization of orthorhombic AgMn alloys by the pulsed laser welding techniqueen_US
dc.typeArticleen_US

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