Yazar "Karpuz, Ali" için listeleme
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Change in planar hall effect ratio of Ni-Co films produced by electrodeposition
Karpuz, Ali; Köçkar, Hakan; Alper, Mürsel (Elsevier Science Bv, 2015)Ni-Co Films were produced by the electrodeposition technique and their magnetotransport properties were studied. The anisotropic magnetoresistance (AMR) and the planar Hall effect (PRE) ratios were Found using the van der ... -
Characterizations of binary fecr (AISI 430) thin films deposited from a single magnetron sputtering under easy controllable deposition parameters
Köçkar, Hakan; Kaplan, Nadir; Karpuz, Ali; Kuru, Hilal; Kaya, Birol (Springer, 2019)A series of 50-nm binary FeCr martensitic thin films were sputtered from a single source made of commercial AISI 430 ferritic stainless steel under the deposition rates gradually increased from 0.03 to 0.11nm/s with 0.02nm/s ... -
Characterizations of FeCl/Cu superlattices sputtered at low and high deposition rates of ferromagnetic layer
Karpuz, Ali; Köçkar, Hakan; Uçkun, Mehmet; Eşiyok, Mesut (Elsevier Science Bv, 2015)FeCl/Cu superlattices was grown using a dc magnetron sputtering at low (0.02 nm/s) and high (0.08 nm/s) deposition rates of ferromagnetic layer, and the properties of the superlattices were investigated. Structural ... -
Easy controlled properties of quaternary fenicrcd thin films deposited from a single dc magnetron sputtering under the influence of deposition rate
Köçkar, Hakan; Şentürk, Özgür; Karpuz, Ali; Karaağaç, Öznur; Kaplan, Nadir; Kuru, Hilal (Springer, 2019)The quaternary FeNiCrCd thin films were produced from a single FeNiCrCr source on a commercial flexible polymer substrate using one dc magnetron sputtering technique. For that, a series of the films with a thickness of 50 ... -
The effect of different chemical compositions caused by the variation of deposition potential on properties of Ni-Co films
Karpuz, Ali; Köçkar, Hakan; Alper, Mürsel (Elsevier Science Bv, 2011)The magnetic and microstructural properties of Ni-Co films electrodeposited at different cathode potentials were investigated. The compositional analysis revealed that the Ni content increases from 13 at.% to 44 at.% in ... -
Effect of film thickness on properties of electrodeposited Ni-Co films
Karpuz, Ali; Köçkar, Hakan; Alper, Mürsel (Elsevier Science Bv, 2012)A series of Ni-Co films with different thicknesses was produced by using the electrodeposition technique and their microstructural, magnetic and magnetotransport properties were investigated. The X-ray (XRD) diffraction ... -
Electrochemical production of fe-cu films: determination of the deposition potentials and their effect on microstructural and magnetic properties
Karpuz, Ali; Köçkar, Hakan; Alper, Mürsel (Edp Sciences S A, 2009)Fe-Cu alloys were grown on polycrystalline titanium substrates after determining the suitable deposition potentials. Based on the results obtained from cyclic voltammetry curves, a potential region between -1.8 V and -2.3 ... -
Electrodeposited Co-Ni films: Electrolyte pH - Property relationships
Karpuz, Ali; Köçkar, Hakan; Alper, Mürsel (2013)The effect of electrolyte pH on structural, magnetic, and magnetoresistive properties of Co-Ni films was studied. The films were deposited on a titanium substrate from the electrolytes with 4.10±0.05, 3.14±0.05, and 2.14±0.05 ... -
Electrodeposited Co-Ni films: Electrolyte pH - Property relationships
Karpuz, Ali; Köçkar, Hakan; Alper, Mürsel (Springer, 2013)The effect of electrolyte pH on structural, magnetic, and magnetoresistive properties of Co-Ni films was studied. The films were deposited on a titanium substrate from the electrolytes with 4.10 +/- 0.05, 3.14 +/- 0.05, ... -
Electrodeposited Ni-Co films from electrolytes with different Co contents
Karpuz, Ali; Köçkar, Hakan; Alper, Mürsel; Karaağaç, Öznur; Hacıismailoğlu, Mürşide (Elsevier Science Bv, 2012)The properties of electrodeposited Ni-Co films produced from electrolyte consisted of nickel sulfamate, cobalt sulfate and boric acid were investigated as a function of Co content in the films. The compositional analysis ... -
Elektrodepozisyonla büyütülen Ni-Co filmlerinin karakterizasyonu ve manyetorezistans davranışının incelenmesi
Karpuz, Ali (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2011)Bu çalışmada, Ni-Co filmleri titanyum alttabaka üzerine elektrodepozisyon tekniği ile büyütülmüş ve yapısal, manyetik ve manyetorezistans (MR) davranışları araştırılmıştır. Çalışma, elektrodepozisyon tekniğinde oldukça ... -
Evaluation of properties of sputtered Ni/Cu films with different thicknesses of the Cu layer
Çölmekçi, Salih; Karpuz, Ali; Köçkar, Hakan (Elsevier Science SA, 2021)In this study, Ni/Cu thin films with Cu layer thicknesses varying from 200 nm to absence of Cu (0 nm) were produced by using a magnetron sputtering technique in order to investigate their structural and magnetic properties. ... -
Fe-Cu alaşım filmlerin büyütülmesi, yapısal ve manyetik karakterizasyonu
Karpuz, Ali (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2006)Farklı kalınlık, elektrolit pH'ı, elektrolit konsantrasyonu ve depozisyon potansiyeline sahip demir - bakır filmleri potentiostatik şartlar altında elektrodepozisyon tekniği ile üretildiler. Filmlerin depozisyonunda gerekli ... -
FeCl/Cu süperörgülerin DC püskürtme metoduyla hazırlanması, manyetik ve yapısal özelliklerinin incelenmesi
Eşiyok, Mesut (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2014)Bu çalışmada, FeCl/Cu çokkatmanlı filmleri DC magnetron püskürtme sistemi kullanılarak iki farklı film serisi olarak üretildi. İncelenen FeCl/Cu çokkatmanlı filmlerinin ilk serisi Cu katmanlarının farklı kalınlıkları dikkate ... -
Impact of deposition rate on the structural and magnetic properties of sputtered ni/cu multilayer thin films
Karpuz, Ali; Çölmekçi, Salih; Köçkar, Hakan; Kuru, Hilal; Uçkun, Mehmet (Walter De Gruyter Gmbh, 2018)The structural and corresponding magnetic properties of Ni/Cu films sputtered at low and high deposition rates were investigated as there is a limited number of related studies in this field. 5[Ni(10 nm)/Cu(30 nm)] multilayer ... -
Improvement of saturation magnetization of sputtered Fe/Al multilayer thin films using Taguchi Method supported by ANOVA, response surface methodology and regression analysis
Köçkar, Hakan; Kaplan, Nadir; Karpuz, Ali; Karaağac, Öznur (Polska Akademia Nauk, 2023)Taguchi method has been conducted to improve the saturation magnetisation, M-s, of Fe/Al multilayer thin films deposited using a dual-target magnetron sputtering. The M-s values were obtained from the magnetic hysteresis ... -
Investigation of the effects of Cu layer thickness and annealing temperature under air atmosphere on the properties of Co/Cu multilayer films
Karpuz, Ali; Köçkar, Hakan; Kaplan, Nadir (Institute of Physics, 2023)In this study, the suitability of Co/Cu multilayer films with different physical conditions (varying thickness values and systematic annealing processes) in magnetic technology applications is discussed. Co/Cu films were ... -
Magnetic properties affected by structural properties of sputtered Ni/Cu multilayer films with different thicknesses of Ni layers
Çölmekçi, Salih; Karpuz, Ali; Köçkar, Hakan (Korean Institute Chemical Engineers, 2022)Nickel-containing magnetic films have become the focus of attention due to their outstanding properties. These films are produced by many methods, including the sputtering technique. In this study, structural and magnetic ... -
Microstructure dependence of magnetic properties on electrochemically produced ternary CuCoNi alloys
Karpuz, Ali; Hakan, Köçkar; Alper, Mürsel (Springer, 2014)Ternary CuCoNi alloys were deposited by electrodeposition and the effect of different deposition potentials on the microstructural and magnetic properties of the alloys was investigated. The deposition potential was changed ... -
Ni/Cu çok katmanlı ince filmlerin püskürtme tekniğiyle üretilmesi ve karakterizasyonu
Çölmekçi, Salih (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2016)Bu çalışmada, doğru akım (DC) püskürtme tekniği kullanılarak Ni/Cu çok katmanlı manyetik ince filmleri üretildi. Filmler üretilirken Cu tabaka kalınlığı, toplam film kalınlığı, Ni depozisyon hızı, Ni tabaka kalınlığı ...
