Yazar "Güngüneş, Hakan" için listeleme
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Substitution effect of Cr 3+ on hyperfine interactions, magnetic and optical properties of Sr-hexaferrites
Slimani, Yassine; Baykal, Abdulhadi; Amir, Md.; Tashkandi, N. A.; Güngüneş, Hakan; Güner, Sadık; El Sayed, H. S.; Aldakheel, F.; Saleh, Tawfik A.; Manikandan, A. (Elsevier Ltd, 2018)Chromium-substituted strontium nano-hexaferrites, SrCrxFe12-xO19 (0.0 ≤ x ≤ 1.0), were produced by the hydrothermal route. The structure, morphology, optical and magnetic properties were studied. Crystal structure, spinel ... -
Synthesis and characterization of Cu–Mn substituted SrFe12O19 hexaferrites
Amir, Md.; Baykal, Abdulhadi; Güngüneş, Hakan; Asiri, Sarah Mousa; Ercan, İsmail; Shirsath, Sagar E. (Springer New York LLC, 2018)In this study, bimetallic (Cu–Mn) substituted SrFe12O19 hexaferrites [Sr1−2xMnxCuxFe12O19 (0.0 ≤ x ≤ 0.1)] were synthesized via sol–gel auto-combustion approach. The effect of bimetallic substitution on structure, morphology ... -
Synthesis and characterization of electrospun NiCoCdNdFeO4 nanofibers
Alahmari, Firas S.; Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Shirsath, Sagar E.; Akhter, Shameem; Baykal, Abdulhadi (Elsevier B.V., 2020)We report here the production of novel Ni0.5Co0.5−xCdxNd0.02Fe1.78O4 nanofibers (NFs) (0.00 ≤ x ≤ 0.25) via electrospinning method with using polyvinylpyrrolidone (PVP) as a polymer agent. The investigation of the partial ... -
Synthesis and characterization of monodisperse NiFe2O4 nanoparticles
Kurtan, Ümran; Güngüneş, Hakan; Sözeri, Hüseyin; Baykal, Abdulhadi (Elsevier Ltd, 2016)Narrow size distribution nickel ferrite nanoparticles with average particle size of around 6 nm has been synthesized via rapid thermo-decomposition method in the presence of oleylamine in solution which acted as neutralizing, ... -
Synthesis and characterization of oleylamine capped MnxFe1-xFe2O4nanocomposite: Magneto-optical properties, cation distribution and hyperfine interactions
Güner, Sadık; Baykal, Abdulhadi; Amir, Md.; Güngüneş, Hakan; Geleri, M.; Sözeri, Hüseyin; Shirsath, Sagar E.; Sertkol, Murat (Elsevier Ltd, 2016)Pure Fe3O4 NPs and Oleylamin (OAm) capped MnxFe1-xFe2O4 (MnxFe1-xFe2O4@OAm) (0.2 ≤ x ≤ 1.0) nanocomposites (NCs) were synthesized by the polyol route. Lattice parameter increases with increasing Mn2+ concentration, due to ... -
Synthesis and magneto-electrical properties of MFe2O4 (Co, Zn) nanoparticles by oleylamine route
Kurtan, Ümran; Erdemi, Hamit; Baykal, Abdulhadi; Güngüneş, Hakan (Elsevier Ltd, 2016)In this study, nearly monodisperse cobalt ferrite (CoFe2O4) and zinc ferrite (ZnFe2O4) nanoparticles (NPs) without any size-selection process have been fabricated through an alluring method in an oleylamine (OAM)/benzyl ... -
Synthesis and structural and magnetic characterization of BaZn x Fe12−x O19 hexaferrite: hyperfine interactions
Baykal, Abdulhadi; Sözeri, Hüseyin; Güngüneş, Hakan; Auwal, İsmail A.; Shirsath, Sagar E.; Sertkol, Murat; Amir, Md. (Springer New York LLC, 2017)To study the effect of Zn substitution on structural magnetic properties and hyperfine interactions of barium hexaferrite, BaFe12−x Zn x O19 (0.0≤x≤0.3) hexaferrites were synthesized via sol-gel auto-combustion technique. ... -
Tailored microstructures, optical and magnetic qualities of strontium hexaferrites: Consequence of Tm3+ and Tb3+ ions Co-substitution
Almessiere, Munirah Abdullah; Slimani, Yassine; Tashkandi, Nabiha A.; Güngüneş, Hakan; Sertkol, Murat; Nawaz, Muhammad; Ercan, İsmail (Elsevier Sci Ltd, 2019)Terbium (Tb) and Thulium (Tm) co-doped strontium hexaferrites (SHFs), with composition SrFe12-2xTbxTmxO19 (0.00 <= x <= 0.04), were prepared via sol-gel auto-combustion method. The effect of Tb3+ and Tm3+ (as codopants) ... -
Tb3+ substituted strontium hexaferrites: Structural, magnetic and optical investigation and cation distribution
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Sertkol, Murat; Nawaz, Muhammad; Algarou, N. A.; Baykal, Abdulhadi; Ercan, İsmail (Chinese Society of Rare Earths, 2019)In this study, SrFe12−xTbxO19 (0.00 ≤ x ≤ 0.1) hexaferrites (HFs) were prepared successfully by citrate sol-gel approach. X-ray powder diffraction analyses affirm the hexagonal structure of products. Impurity phase starts ... -
The Temperature Effect on Magnetic Properties of NiFe2O4 Nanoparticles
Asiri, Sara; Sertkol, Murat; Güngüneş, Hakan; Amir, M. D.; Manikandan, Ayyar; Ercan, İsmail; Baykal, Abdulhadi (Springer, 2018)In this study, NiFe2O4 nanoparticles (NPs) were fabricated via auto citric acid sol-gel route at three different temperatures (900, 1000 and 1100 A degrees C). X-ray diffraction (XRD) and Fourier transform infrared were ... -
Ti' un Nİ55FE18GA27 alaşımı üzerine etkisi
Özer, Mehmet (Hitit Üniversitesi Lisansüstü Eğitim Enstitüsü, 2022)Bu çalışmada Ti elementinin Ni-37.79Ga-14.46Fe alaşımlarının morfolojik, termal, mekanik ve manyetik özellikler üzerine yaptığı etki araştırıldı. Alaşımların fiziksel karakterizasyonu için; taramalı elektron mikroskobu ... -
Ti6Al4V alaşımına Fe ve B etkisi
Gürbüz, Yavuz Ahmet (Hitit Üniversitesi, 2019)Ti-7Al-3.8V-5.4Fe ve Ti-6.5Al-4V-5Fe-1.3B alaşımlarında oluşan martensite yapının morfolojik, manyetik, termal ve mekanik özellikleri incelendi. Alaşımlarda β taneleri içerisinde oluşan iğne tipi β martensite yapı Taramalı ... -
Tracking of SPIONs in barley (Hordeum vulgare L.) plant organs during its growth
Tombuloğlu, Hüseyin; Slimani, Yassine; Güngüneş, Hakan; Tombuloğlu, Güzin; Almessiere, Munirah Abdullah; Sözeri, Hüseyin; Baykal, Abdulhadi; Ercan, İsmail (Springer New York LLC, 2019)Barley plants were grown in water solutions containing nutrient elements and superparamagnetic iron oxide nanoparticles (SPIONs), particularly the magnetite nanoparticles (Fe3O4; 15–20-nm particle size). No visible detection ... -
Ultrasonic synthesis, magnetic and optical characterization of Tm(3+)and Tb3+ ions co-doped barium nanohexaferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Güner, Sadık; Aldakhil, Sadal Khalid; Demir Korkmaz, Ayşe; Sertkol, Murat; Baykal, Abdulhadi (Academic Press Inc Elsevier Science, 2020)This study investigated the structural, optical and magnetic properties of BaTmxTbxFe12-2xO19(x <= 0.05) nanohexaferrites (NHFs) produced by ultrasonic assisted sol-gel combustion approach. The structure of all samples was ... -
Use of amino acid-based polymeric material for isolation of a protein from poison
Erol, Kadir; Köse, Kazım; Güngüneş, Hakan; Köse, Dursun Ali (Elsevier B.V., 2017)Melittin is a small protein with 126 amino acid residues which exists in the bee and snake venom. In this study, the Fe(II)-Ni(II) double-salt incorporated poly(2-hydroxyethyl methacrylate-N-methacryloyl-L-aspartic acid), ...