Yazar "Güngüneş, Hakan" için listeleme
-
Impact of La3+ and Y3+ ion substitutions on structural, magnetic and microwave properties of Ni0.3Cu0.3Zn0.4Fe2O4 nanospinel ferrites synthesized via sonochemical route
Almessiere, Munirah Abdullah; Slimani, Yassine; Demir Korkmaz, Ayşe; Baykal, Abdulhadi; Güngüneş, Hakan; Sözeri, Hüseyin; Manikandan, Ayyar (Royal Soc Chemistry, 2019)In the current study, Ni0.4Cu0.2Zn0.4LaxYxFe2-xO4 (x = 0.00 - 0.10) nanospinel ferrites (NSFs) were fabricated via an ultrasonic irradiation route. The creation of single phase of spinel nanoferrites (NSFs) was investigated ... -
Influence of Dy3+ Ions on the Microstructures and Magnetic, Electrical, and Microwave Properties of [Ni0.4Cu0.2Zn0.4](Fe2-xDyx)O-4 (0.00 <= x <= 0.04) Spinel Ferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Demir Korkmaz, Ayşe; Zubar, Tatiana; Trukhanov, Sergei; Baykal, Abdulhadi (Amer Chemical Soc, 2021)[Ni0.4Cu0.2Zn0.4](Fe2-xDyx)O-4 spinel ferrite nanoparticles with different Dy3+ concentrations (0.00 <= x <= 0.04) were prepared by a citrate sol-gel auto-combustion technique. A strong correlation among Dy concentration, ... -
Investigation of the crystal/magnetic structure, magnetic and optical properties of SrYxNbxFe12-2xO19 (x <= 0.05) hexaferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Nawaz, Muhammad; Alahmari, Firas S.; Manikandan, Ayyar; Baykal, Abdulhadi (Iop Publishing Ltd, 2020)Series of Sr hexaferrites (HFs) co-substituted with Nb3+ and Y3+ ions (SrYxNbxFe12-2xO19 (x <= 0.05) were prepared via sol-gel combustion method. In addition to their optical, low temperature, magnetic properties and ... -
Investigation of the effects of Tm 3+ on the structural, microstructural, optical, and magnetic properties of Sr hexaferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Manikandan, Ayyar; Baykal, Abdulhadi (Elsevier B.V., 2019)SrTm x Fe 12?x O 4 (0.00 ? x ? 0.10) hexaferrites (HFs) are produced successfully using a sol–gel approach. The structural, optical, and magnetic properties are investigated. The hexagonal phase is confirmed for all the ... -
İş sağlığı ve güvenliği bilincinin kazandırılmasında eğitim modellerinin değerlendirilmesi
Demir Özyer, Hülya (Hitit Üniversitesi, 2022)Bu çalışma, gençlerin iş sağlığı ve güvenliği (İSG)'ne dair mevcut bilinçlerini ölçmek ve söz konusu bilinci artırmak adına uygulanabilecek eğitim modellerinden sunum (tek yönlü) modeli ile etkileşim (iki yönlü/interaktif) ... -
Magnetic and dielectric properties of Bi3+ substituted SrFe12O19 hexaferrite
Auwal, İsmail A.; Erdemi, Hamit; Sözeri, Hüseyin; Güngüneş, Hakan; Baykal, Abdulhadi (Elsevier B.V., 2016)In the present study, SrBixFe12−xO19 (0.0≤x≤1.0) nanomaterials were successfully synthesized by using chemical co-precipitation method. Products were characterized by X-ray diffraction (XRD), Scanning Electron Microscopy ... -
Magnetic Attributes of NiFe2O4 Nanoparticles: Influence of Dysprosium Ions (Dy3+) Substitution
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Ali, Sadaqat; Manikandan, Ayyar; Ercan, İsmail; Trukhanov, Alex V. (Mdpi, 2019)This paper reports the influence of dysprosium ion (Dy3+) substitution on the structural and magnetic properties of NiDyxFe2-xO4 (0.0 <= x <= 0.1) nanoparticles (NPs) prepared using a hydrothermal method. The structure and ... -
Magnetic nanoparticles for plasmid DNA purification through hydrophobic interaction chromatography
Üzek, Recep; Özkara, Serpil; Güngüneş, Hakan; Uzun, Lokman; Şenel, Serap (Taylor and Francis Inc., 2014)Magnetic poly(2-hydroxyethyl methacrylate-co-N-methacryloyl–L-phenyl alanine), p(HEMA-co-MAPA) nanoparticles were produced by emulsion polymerization technique. The nanoparticles were characterized by zetasizer, atomic ... -
Magnetic properties and cation distribution of bimetallic (Mn–Co) doped NiFe2O4 nanoparticles
Baykal, Abdulhadi; Eryiğit, Ş. Ş.; Amir, Md.; Güngüneş, Hakan; Sözeri, Hüseyin; Shirsath, Sagar E.; Sertkol, Murat; Asiri, Sarah Mousa (Springer New York LLC, 2017)Nickel ferrite (NiFe2O4), an inverse spinel crystal structure and a soft transition metal oxide, contemplated as a good magnetic semiconducting material with low coercivity and saturation magnetization (M s). In this study, ... -
Magnetic properties and hyperfine interactions of Co1-2xNixMnxFe2O4 nanoparticles
Baykal, Abdulhadi; Eryiğit, Ş. Ş.; Topkaya, Ramazan; Güngüneş, Hakan; Amir, Md.; Yıldız, Aylin; Kurtan, Ümran; Shirsath, Sagar E. (Elsevier Ltd, 2017)Co1-2xNixMnxFe2O4 (0.0≤x≤0.5) nanoparticles (NPs) were prepared via citrate assisted microwave combus-tion route. XRD analysis confirmed the cubic structure (spinel) of all samples. Average crystallite size ofproducts ... -
Magnetic properties and Mössbauer spectroscopy of Cu-Mn substituted BaFe12O19 hexaferrites
Baykal, Abdulhadi; Güngüneş, Hakan; Sözeri, Hüseyin; Amir, Md.; Auwal, İsmail A.; Asiri, Sarah Mousa; Shirsath, Sagar E.; Demir Korkmaz, Ayşe (Elsevier Ltd, 2017)In this study, bimetallic (Cu-Mn) substituted M-type Ba 1-2x Mn x Cu x Fe 12 O 19 (0.0 ? x ? 0.1) hexaferrites were fabricated via sol-gel auto-combustion route. The effect of bimetallic substitution on structure, morphology ... -
Magnetic properties of FeMnyCoyFe2−2yO4@Oleylamine nanocomposite with cation distribution
Amir, Md.; Demir Korkmaz, Ayşe; Baykal, Abdulhadi; Geleri, M.; Sözeri, Hüseyin; Güngüneş, Hakan; Sertkol, Murat; Shirsath, Sagar E. (Springer New York LLC, 2017)In this study, oleylamine (OAm) capped FeMnyCoyFe2−2yO4 (0.0 ≤ y ≤ 0.4) nanocomposites (NCs) were prepared via the polyol route and the impact of bimetallic Co3+ and Mn3+ ions on the structural and magnetic properties of ... -
Magneto optical properties and hperfine interactions of Cr3+ Ion substituted copper ferrite nanoparticles
Baykal, Abdulhadi; Güner, Sadık; Güngüneş, Hakan; Mujasam Batoo, Khalid; Amir, Md.; Manikandan, A. (Springer New York LLC, 2018)Spinel CuCrxFe2−xO4 (0.0 ≤ y ≤ 1.0) nanoparticles were fabricated by co-precipitation. X-ray diffraction proved the pureness and cubic crystal assembly of products which have the crystallite sizes varying between 16 and ... -
Magneto-optical and microstructural properties of spinel cubic copper ferrites with Li-Al co-substitution
Slimani, Yassine; Güngüneş, Hakan; Nawaz, Muhammad; Manikandan, A.; El Sayed, H. S.; Almessiere, Munirah Abdullah; Sözeri, Hüseyin; Shirsath, Sagar E.; Ercan, İsmail; Baykal, Abdulhadi (Elsevier Ltd, 2018)Nanospinel Li2xCu1-xAlyFe2-yO4 ferrites with composition x = y = 0.0, 0.2, 0.3 and 0.4, were successfully synthesized via hydrothermal method. The effect of co-substitution (Li and Al) on structural, morphological and ... -
Magneto-optical investigation and hyperfine interactions of copper substituted Fe3O4 nanoparticles
Amir, Md.; Baykal, Abdulhadi; Güner, Sadık; Güngüneş, Hakan; Sözeri, Hüseyin (Elsevier Ltd, 2016)CCopper substituted Fe3O4 nanoparticles (NPs) (CuxFe1−xFe2O4 (0.0≤x≤1.0)) were synthesized by polyol method and the effect of Cu2+ substitution on structural, magnetic and optical properties of Fe3O4 was investigated. X-ray ... -
Magneto-optical properties and Mössbauer Investigation of BaxSryPbzFe12O19 Hexaferrites
Baykal, Abdulhadi; Yokuş, S.; Güner, Sadık; Güngüneş, Hakan; Sözeri, Hüseyin; Amir, Md. (Elsevier Ltd, 2017)Ba0.3Sr0.4Pb0.3Fe12O19, Ba0.4Sr0.3Pb0.3Fe12O19 and Ba0.3Sr0.3Pb0.4Fe12O19 hexaferrites were synthesized via sol-gel auto combustion. XRD (X-ray powder diffraction) powder patterns of the products confirmed the formation ... -
Magneto-optical properties of BaCryFe12−yO19 (0.0 ≤ y ≤ 1.0) hexaferrites
Asiri, Sarah Mousa; Güner, Sadık; Demir Korkmaz, Ayşe; Amir, Md.; Mujasam Batoo, Khalid; Almessiere, Munirah Abdullah; Güngüneş, Hakan; Sözeri, Hüseyin; Baykal, Abdulhadi (Elsevier B.V., 2018)In this study, nanocrystalline BaCryFe12−yO19 (0.0 ≤ y ≤ 1.0) hexaferrite powders were prepared by sol–gel auto combustion method and the effect of Cr3+ ion substitution on morphology, structure, optic and magnetic properties ... -
Manganese/yttrium codoped strontium nanohexaferrites: Evaluation of magnetic susceptibility and mossbauer spectra
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Baykal, Abdulhadi; Trukhanov, Sergei Valentinovich; Trukhanov, Alex V. (MDPI AG, 2019)Abstract: Manganese (Mn)- and yttrium (Y)-substituted Sr-nanohexaferrites (MYSNHFs) of composition Sr1_xMnxFe12_xYxO19 (with 0.0 ≤ x ≤ 0.5) were prepared by citrate sol-gel autocombustion method. As-prepared MYSNHFs were ... -
Microstructural, optical, and magnetic properties of vanadium-substituted nickel spinel nanoferrites
Demir Korkmaz, Ayşe; Güner, Sadık; Slimani, Yassine; Güngüneş, Hakan; Amir, Md.; Manikandan, Ayyar; Baykal, Abdulhadi (Springer New York LLC, 2019)The current study investigates the impact of vanadium substitution on the structural, magnetic, and optical properties of NiFe2−xVxO4 (x ≤ 0.3) nanoparticles (NPs) produced by the cost-effective sol-gel route. The as-prepared ... -
Microstructure, hyperfine interaction and magnetic transition of Fe-25%Ni-5%Si-x%Co alloys
Güngüneş, Hakan (Springer International Publishing, 2016)Morphological and magnetic properties in Fe-25%Ni-5%Si-x%Co (x = 0, 10, 15) alloys are investigated. Scanning electron microscopy (SEM), Mössbauer spectroscopy and AC magnetic susceptibility measurements are used to determine ...