Yazar "Güngüneş, Hakan" için listeleme
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AC susceptibility and hyperfine interactions of Mg-Ca ions co-substituted BaFe 12 O 19 nanohexaferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Ali, Sadaqat S.; Baykal, Abdulhadi; Ercan, İsmail (Elsevier Ltd, 2019)Magnesium and calcium co-substituted Ba M-type nanohexaferrite (NHFs) is fabricated via sol-gel auto-combustion technique. The phase formation was proved by XRD powder pattern, FESEM and HR-TEM. Magnetic properties of Ba ... -
AC susceptibility and hyperfine interactions of vanadium substituted barium nanohexaferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; El Sayed, H. S.; Baykal, Abdulhadi (Elsevier Ltd, 2018)Vanadium ions substituted BaFe12O19 nanohexaferrites, BaFe12-xVxO19 (0.0 ≤x ≤ 0.1), were produced through the sol-gel auto-combustion route. The structure, morphology and the elemental compositions of various products were ... -
AC susceptibility and Mossbauer study of Ce3+ ion substituted SrFe12O19 nanohexaferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; El Sayed, H. S.; Baykal, Abdulhadi (Elsevier Ltd, 2018)Ce3+ ion substituted SrFe12O19, SrFe12-xCexO19 (0.0 ≤ x ≤ 0.5), nanohexaferrites were fabricated by citrate sol-gel combustion approach. X–ray diffractometry (XRD), Scanning electron microscopy (SEM), Energy dispersive ... -
Ca2+/Mg2+ co-substituted strontium nanohexaferrites: magnetic investigation and Mossbauer analysis
Almessiere, Munirah A.; Slimani, Yassine; Demir Korkmaz, Ayşe; Güngüneş, Hakan; Nawaz, Muhammad; Shirsath, Sagar E.; Ercan, İsmail (Springer, 2019)We report a comprehensive evaluation of the microstructures, magnetic, and hyperfine traits of Ca2+/Mg2+ co-substituted strontium nanohexaferrites (SHFs) of chemical compositions Sr1-2xCaxMgxFe12O19 (x <= 0.1). These SHFs ... -
Co-substitution of zirconium and neodymium on hyperfine interactions and AC susceptibility of SrFe12O19 nanohexaferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Baykal, Abdulhadi (Chinese Society of Rare Earths, 2019)This study presents the influence of Zn and Nd co-substitution on structure, morphology, AC suscepti-bility and ZFC-FC magnetizations of Sr nanohexaferrites (NHFs), SrFe12xðZn;NdÞxO19(0.0 x 1.0),which was produced by sol-gel ... -
Correlation between chemical composition, electrical, magnetic and microwave properties in Dy-substituted Ni-Cu-Zn ferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Güngüneş, Hakan; Demir Korkmaz, Ayşe; Trukhanov, Sergei V.; Güner, Sadık; Baykal, Abdulhadi (Elsevier, 2021)Dy3+ ion-substituted nanoferrites Ni0.4Cu0.2Zn0.4Fe2_ xDyxO4 (x <= 0.04) were produced via sol-gel method. Correlation between chemical composition, crystal structure, electrical, magnetic and microwave properties was ... -
Dielectric properties, cationic distribution calculation and hyperfine interactions of La3+ and Bi3+ doped strontium hexaferrites
Auwal, İsmail A.; Ünal, Bayram; Güngüneş, Hakan; Shirsath, Sagar E.; Baykal, Abdulhadi (Elsevier Ltd, 2016)La3+ and Bi3+ doped M-type strontium hexaferrites (SrM) were prepared by sol–gel-auto combustion. X-ray powder diffraction (XRD), Scanning Electron Microscopy (SEM), Vibrating Simple Magnetometer (VSM), Mössbauer Spectroscopy ... -
The effect of alloying element Zn on magnetic properties of martensite phase in FeNiMn alloy
Güler, Melek; Aldırmaz, Emine; Gül, S.; Koyuncuoğlu, E.; Kulucan, Fazıl Fazlı; Güngüneş, Hakan; Güler, Emre (Elsevier B.V., 2018)The effect of alloying element Zn on the characteristics of thermal induced martensite and magnetic properties of martensite phase were investigated with scanning electron microscopy (SEM) and Mössbauer spectroscopy ... -
Effect of annealing temperature on magnetic and mössbauer properties of ZnFe2O4 nanoparticles by sol-gel approach
Amir, Md.; Güngüneş, Hakan; Baykal, Abdulhadi; Almessiere, Munirah Abdullah; Sözeri, Hüseyin; Ercan, İsmail; Sertkol, Murat; Asiri, Sarah Mousa; Manikandan, A. (Springer New York LLC, 2018)In this study, spinel ZnFe 2 O 4 nanoparticles (NPs) were synthesized by citrate sol-gel route using nickel nitrates, ferric nitrates and citric acid by annealing at 900, 1000, and 1100 ? C. We reported the structural and ... -
The effect of austenitizing time on martensite morphologies and magnetic properties of martensite in Fe-24.5%Ni-4.5%Si alloy
The effect of austenitizing time on the formation of martensite in Fe-24.5%Ni-4.5%Si alloy has been studied by means of transmission electronmicroscope (TEM), scanning electronmicroscope (SEM) and Mössbauer spectroscopy ... -
Effect of bimetallic (Ni and Co) substitution on magnetic properties of MnFe2O4 nanoparticles
Topkaya, Ramazan; Güngüneş, Hakan; Eryiğit, Ş. Ş.; Shirsath, Sagar E.; Yıldız, Aylin; Baykal, Abdulhadi (Elsevier Ltd, 2016)Nickel and cobalt substituted manganese ferrite nanoparticles (NPs) with the chemical composition NixCoxMn1–2xFe2O4 (0.0?x?0.5) NPs were synthesized by one-pot microwave combustion route. The effect of co-substitution (Ni, ... -
Effect of Si on austenite stabilization, martensite morphology, and magnetic properties in Fe-26%Ni-x%Si alloys
The effect of Si on the austenite stabilization, martensite morphology, and magnetic properties in Fe-26%Ni-x%Si (x=3.5, 5, and 6) alloys have been studied by means of transmission electron microscopy (TEM) and Mössbauer ... -
Effects of Ce-Dy rare earths co-doping on various features of Ni-Co spinel ferrite microspheres prepared via hydrothermal approach
Almessiere, Munirah Abdullah; Ünal, Bayram; Slimani, Yassine; Güngüneş, Hakan; Toprak, Muhammet S.; Tashkandi, Nabiha; Manikandan, Ayyar (Elsevier, 2021)The effects of Ce-Dy co-doping on the crystal structure, optical, dielectric, magnetic properties, and hyperfine interactions of Ni-Co spinel ferrite microspheres synthesized hydrothermally have been studied. A series of ... -
Electrical properties and hyperfine interactions of boron doped Fe3O4 nanoparticles
Amir, Md.; Ünal, Bayram; Geleri, M.; Güngüneş, Hakan; Shirsath, Sagar E.; Baykal, Abdulhadi (Academic Press, 2015)The single spinel phase nano-structured particles of FeBxFe2-xO4 (x = 0.1, 0.2, 0.3, 0.4 and 0.5) were synthesized by the glycothermal method and the effect of B3+ substitution on structural and dielectric properties of ... -
Fe'in bazı NiMnIn alaşımları üzerine etkisi
Kulucan, Fazıl Fazlı (Hitit Üniversitesi, 2021)Bu çalışmada Fe elementinin Ni-32.8Mn-4.6In-7.6 Fe,Ni34.7Mn-4.3In-4.4Fe alaşımları üzerine morfolojik, termal, mekanik ve manyetik özellikler üzerine etkisi araştırıldı. Alaşımların fiziksel karakterizasyonu için; Taramalı ... -
Fe-28%Ni-x%Ti alaşımlarında Ti elementinin bazı fiziksel özellikler üzerine etkisi
Önal, Ozan (Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2018)Fe-28.2Ni-0.5Ti, Fe-26.8Ni-1.5Ti and Fe-27.6Ni-4.2Ti alaşımlarının morfolojik, manyetik, mekanik ve thermal özellikleri incelendi. Alaşımların fiziksel özelliklerini belirlemek için Taramalı Electron Mikroskobu (SEM), ... -
Hydrothermal synthesis of CoyZnyMn1-2yFe2O4 nanoferrites: Magneto-optical investigation
Asiri, Sarah Mousa; Sertkol, Murat; Güner, Sadık; Güngüneş, Hakan; Mujasam Batoo, Khalid; Saleh, Tawfik A.; Sözeri, Hüseyin; Almessiere, Munirah Abdullah; Manikandan, A.; Baykal, Abdulhadi (Elsevier Ltd, 2018)Manganese ferrites nanoparticles (NPs) substituted with both Co2+ and Zn2+ simultaneously (CoyZnyMn1-2yFe2O4 NPs for y=0.0 to 0.5), have been produced by hydrothermal approach. The substitution with both Co2+ and Zn2+ ions ... -
Impact of Eu3+ ion substitution on structural, magnetic and microwave traits of Ni-Cu-Zn spinel ferrites
Almessiere, M. A.; Slimani, Yassine; Güngüneş, Hakan; Kostishyn, Vladimir G.; Trukhanov, Sergei; Trukhanov, Alex V.; Baykal, Abdulhadi (Elsevier Sci Ltd, 2020)Partially europium (Eu) substituted Ni0.4Cu0.2Zn0.4EuxFe2-xO4(0.0 <= x <= 0.10) nanostructured spinel ferrites (NSFs) were produced by sol-gel auto-combustion strategy. The XRD analyses verified the existence of the ... -
Impact of Gd substitution on the structure, hyperfine interactions, and magnetic properties of Sr hexaferrites
Almessiere, Munirah Abdullah; Slimani, Yassine; Sertkol, Mehriye; Güngüneş, Hakan; Wudil, Yakubu Sani; Demir Korkmaz, Ayşe; Baykal, Abdulhadi (Elsevier Sci Ltd, 2021)Gd3+-substituted nano-sized Sr-hexaferrite, SrGd(x)Fe(12-x)O19 (0.00 <= x <= 0.05) NHFs (SrGd NHFs), were fabricated by a one-pot sol-gel combustion approach assisted by citric acid. The crystal structures, surface ...
