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Просмотр по автору "Aktaş B."

Просмотр по автору "Aktaş B."

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  • Anisotropic ferromagnetism in Co-implanted TiO2 rutile 
    Akdogan N.; Rameev B.; Khaibullin R.; Westphalen A.; Tagirov L.; Aktaş B.; Zabel H. (2006)
    We have studied the magnetic properties of the Co-implanted TiO2 thin films by magneto-optical Kerr effect (MOKE) and superconducting quantum interference device (SQUID) techniques. The single-crystalline (1 0 0), (0 0 1) ...
  • Anisotropy of ferromagnetism in Co-implanted rutile 
    Akdogan N.; Rameev B.; Dorosinsky L.; Sozeri H.; Khaibullin R.; Aktaş B.; Tagirov L.; Westphalen A.; Zabel H. (2005)
    Magnetic anisotropy of cobalt implanted single-crystalline rutile has been studied by means of magneto-optical Kerr effect (MOKE) and superconducting quantum interference device (SQUID) techniques. We observed for the first ...
  • EPR study of Mn-implanted single crystal plates of TiO2 rutile 
    Güler S.; Rameev B.; Khaibullin R.; Lopatin O.; Aktaş B. (2010)
    Single crystals of Mn-implanted TiO2 rutile have been investigated by electron paramagnetic resonance (EPR) technique at room temperature. We have observed an EPR signal on Mn4+ ions (S=frac(3, 2)) in the manganese-implanted ...
  • EPR study of Mn-implanted single crystal TiO2 
    Güler S.; Rameev B.; Khaibullin R.; Lopatin O.; Aktaş B. (2009)
    Single crystals of manganese-implanted TiO2 rutile have been investigated by electron paramagnetic resonance (EPR) technique at room temperature. ESR spectra have been interpreted to correspond to the transitions among the ...
  • ESR study of Co-doped TiO2 thin films 
    Rameev B.; Yildiz F.; Tagirov L.; Aktaş B.; Park W.; Moodera J. (2003)
    Co:TiO2 thin films prepared by reactive co-sputtering deposition were studied by electron spin resonance (ESR) technique. Magnetization measurements showed hysteretic behavior with the coercive field between 55 and 65 Oe ...
  • FMR studies of CrO2 epitaxial thin films 
    Rameev B.; Yilgin R.; Aktaş B.; Gupta A.; Tagirov L. (2003)
    Epitaxial (100) thin films of CrO2 of various thickness were fabricated by chemical vapor deposition (CVD) at atmospheric oxygen pressure onto (100) TiO2 single-crystal substrates. Ferromagnetic resonance (FMR) measurements ...
  • High curie-temperature ferromagnetism in cobalt-implanted single-crystalline rutile 
    Khaibullin R.; Tagirov L.; Rameev B.; Ibragimov S.; Yildiz F.; Aktaş B. (2004)
    The ion implantation technique has been used to fabricate a Co-rich layer in rutile: single-crystalline TiO2 substrates were heavily irradiated by Co+ ions with energy of 40 keV. The magnetic properties of as-prepared and ...
  • Ion synthesis and FMR studies of iron and cobalt nanoparticles in polyimides 
    Rameev B.; Yildiz F.; Aktaş B.; Okay C.; Khaibullin R.; Zheglov E.; Pivin J.; Tagirov L. (2003)
    Polyimide foils were implanted with 40 keV Fe+ and Co + to doses of 0.25-1.5×1017 ions/cm2. Electron microscopy studies showed the formation of iron and cobalt nanoparticles in the implanted polymer layer with a thickness ...
  • Optical and magnetic properties of Ni-implanted and post-annealed ZnO thin films 
    Okay C.; Rameev B.; Güler S.; Khaibullin R.; Khakimova R.; Osin Y.; Akdoǧan N.; Gumarov A.; Nefedov A.; Zabel H.; Aktaş B. (2011)
    Single-crystalline ZnO thin films have been grown on sapphire substrates and implanted by 40 keV Ni+ ions with a dose of 0.25-1.25 × 1017 ions/cm2. After implantation the samples have been annealed at T = 1000°C for 30 ...
  • Strain-induced magnetic anisotropies in epitaxial CrO2 thin films probed by FMR technique 
    Rameev B.; Gupta A.; Yildiz F.; Tagirov L.; Aktaş B. (2006)
    Epitaxial CrO2 thin films were grown onto TiO2 (1 0 0) single-crystalline substrates by chemical vapour deposition (CVD) process with use of the solid precursor CrO3. The CrO2 films with thickness of 27 and 65 nm were ...
  • The magnetic anisotropy of thin epitaxial CrO2 films studied by ferromagnetic resonance 
    Rameev B.; Gupta A.; Miao G.; Xiao G.; Yildiz F.; Tagirov L.; Aktaş B. (2005)
    The magnetic anisotropy of thin epitaxial films of chromium dioxide (CrO2) has been studied as a function of the film thickness by the ferromagnetic resonance (FMR) technique. CrO2 films with various thicknesses in the ...

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