Yazar "Auwal, İsmail A." için listeleme
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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 ... -
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 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 ... -
Mössbauer analysis and cation distribution of Zn substituted BaFe12O19 hexaferrites
Auwal, İsmail A.; Demir Korkmaz, Ayşe; Amir, Md.; Asiri, Sarah Mousa; Baykal, Abdulhadi; Güngüneş, Hakan; Shirsath, Sagar E. (Springer New York LLC, 2018)Barium hexaferrite is a well-known hard magnetic material. Doping using nonmagnetic cation such as Zn2+ were found to enhance magnetization owing to preferential tetrahedral site (4 f 1) occupancy of the zinc. However, the ... -
Sr1-xLaxFe12O19 (0.0≤x≤0.5) hexaferrites: Synthesis, characterizations, hyperfine interactions and magneto-optical properties
Auwal, İsmail A.; Güner, Sadık; Güngüneş, Hakan; Baykal, Abdulhadi (Elsevier Ltd, 2016)A simple sol-gel auto combustion process was used to synthesize La3+ substituted M-type strontium hexaferrite, Sr1-xLaxFe12-xO19 (0.0≤x≤ 0.5). Structural, magnetic, and optical behavior as a function of La3+ substitutions ... -
Structural investigation and hyperfine interactions of BaBixLaxFe12−2xO19 (0.0≤x≤0.5) hexaferrites
Auwal, İsmail A.; Baykal, Abdulhadi; Güngüneş, Hakan; Shirsath, Sagar E. (Elsevier Ltd, 2016)Barium hexaferrite, BaFe12O19, substituted by Bi3+ and La3+ (BaBixLaxFe12−2xO19 where 0.0≤x≤0.5) were prepared by solid state synthesis route. The effect of substituted Bi3+ and La3+ ions on the structure, morphology, ... -
Structural, magneto-optical properties and cation distribution of SrBixLaxYxFe12-3xO19 (0.0≤x≤0.33) hexaferrites
Auwal, İsmail A.; Güngüneş, Hakan; Güner, Sadık; Shirsath, Sagar E.; Sertkol, Murat; Baykal, Abdulhadi (Elsevier Ltd, 2016)SrBixLaxYxFe12-3xO19 (00.0≤x≤0.33) hexaferrites were produced via sol-gel auto combustion. XRD patterns show that all the samples are single-phase M-type strontium hexaferrite (SrM). The magnetic hysteresis (σ-H) loops ... -
Structural, morphological, optical, cation distribution and Mössbauer analysis of Bi3+ substituted strontium hexaferrite
Auwal, İsmail A.; Güngüneş, Hakan; Baykal, Abdulhadi; Güner, Sadık; Shirsath, Sagar E.; Sertkol, Murat (Elsevier Ltd, 2016)Single-phase M-type hexagonal ferrites, SrBixFe12−xO19 (0.0≤x≤1.0), were prepared by a co-precipitation assisted ceramic route. The influence of the Bi3+ substitution on the crystallization of ferrite phase has been examined ... -
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. ...
