Browsing by Author "Zabel H."

Sort by: Order: Results:

  • 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) ...
  • 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 ...
  • Akdogan N.; Zabel H.; Nefedov A.; Westerholt K.; Becker H.; Gök S.; Khaibullin R.; Tagirov L. (2009)
    We have studied the structural, magnetic, and electronic properties of Co-implanted ZnO(0001) films grown on Al2 O3 (11 2- 0) substrates for different implantation doses and over a wide temperature range. Strong room ...
  • Akdogan N.; Nefedov A.; Westphalen A.; Zabel H.; Khaibullin R.; Tagirov L. (2007)
    The dose dependence of magnetism in Co-implanted TiO2 rutile was investigated using the magneto-optic Kerr effect method at room temperature. The (100)- and (001)-oriented single-crystalline rutile TiO2 plates were used ...
  • Salikhov R.; Garifullin I.; Garif'Yanov N.; Tagirov L.; Theis-Bröhl K.; Westerholt K.; Zabel H. (2009)
    We have studied the nuclear magnetic resonance (NMR) of V51 nuclei in the superconductor/ferromagnet thin film heterostructures Pd1-xFex/V/Pd1-xFex and Ni/V/Ni in the normal and superconducting state. Whereas the position ...
  • Goryunov Y.; Khaliullin G.; Garifullin I.; Tagirov L.; Schreiber F.; Bödeker P.; Bröhl K.; Morawe C.; Mühge T.; Zabel H. (1994)
    The effect of substrates on the magnetic properties has been studied for Co and Fe films both on Al2O3 (112̄0) and MgO (001) substrates by using ferromagnetic resonance techniques. For Fe(001)/MgO(001) samples the thickness ...
  • Akdogan N.; Nefedov A.; Zabel H.; Westerholt K.; Becker H.; Somsen C.; Gök A.; Bashir A.; Khaibullin R.; Tagirov L. (2009)
    We report on structural, magnetic and electronic properties of Co-implanted TiO2(1 0 0) rutile single crystals for different implantation doses. Strong ferromagnetism at room temperature and above is observed in TiO 2 ...
  • Akdogan N.; Nefedov A.; Westerholt K.; Zabel H.; Becker H.; Somsen C.; Khaibullin R.; Tagirov L. (2008)
    We report on the structural and magnetic properties of a cobalt-implanted ZnO film grown on a sapphire substrate. X-ray diffraction and transmission electron microscopy reveal the presence of a ( )-oriented hexagonal Co ...
  • Goryunov Y.; Garifyanov N.; Khaliullin G.; Garifullin I.; Tagirov L.; Schreiber F.; Mühge T.; Zabel H. (1995)
    Ferromagnetic resonance (FMR) and superconducting quantum interference device (SQUID) measurements have been used to study the magnetic properties of rf sputtered Fe films on MgO(001) substrates. The dependences of the FMR ...
  • 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 ...
  • Mühge T.; Garif'yanov N.; Goryunov Y.; Khaliullin G.; Tagirov L.; Westerholt K.; Garifullin I.; Zabel H. (1996)
    We have studied superconducting and magnetic properties of sputtered Fe/Nb/Fe trilayers. For a fixed Nb thickness and with changing Fe thickness, dFe, a nonmonotonic behavior of the superconducting transition temperature ...
  • Tagirov L.; Garifullin I.; Garif'yanov N.; Khlebnikov S.; Tikhonov D.; Westerholt K.; Zabel H. (2002)
    An experimental investigation of the proximity effect in Fe/V/Fe trilayers prepared by radiofrequency (RF)-sputtering was presented. Small angle X-ray reflectivity measurements of the sample series gave an average interface ...
  • Akdoǧan N.; Rameev B.; Güler S.; Öztürk O.; Akta B.; Zabel H.; Khaibullin R.; Tagirov L. (2009)
    Magnetic anisotropies of Co-implanted ZnO (0001) films grown on single-crystalline Al2O3 (11 2- 0) substrates have been studied by ferromagnetic resonance (FMR) technique for different cobalt implantation doses. The FMR ...
  • Nefedov A.; Akdogan N.; Zabel H.; Khaibullin R.; Tagirov L. (2006)
    Of central interest in the research of dilute magnetic semiconductors is the coupling mechanism leading to a ferromagnetic ground state. Using x-ray resonant magnetic scattering, we have analyzed the element specific ...
  • Salikhov R.; Garif'Yanov N.; Garifullin I.; Tagirov L.; Westerholt K.; Zabel H. (2009)
    Using NMR spectroscopy of the V 51 nuclei in the superconducting state of Ni/V/Ni and Pd1-x Fex /V/ Pd1-x Fex trilayers we reported in a recent letter an experimental observation of the spin screening effect. This effect, ...
  • Garifullin I.; Tikhonov D.; Garif'yanov N.; Fattakhov M.; Theis-Bröhl K.; Westerholt K.; Sprungmann D.; Zabel H.; Brucas R.; Hjörvarsson B.; Tagirov L. (2006)
    The ways of realization of two different schemes of a spin valve for the superconducting current on the basis of the superconductor/ferromagnet proximity effect are studied. First, we have studied the superconducting ...
  • Mühge T.; Zoller I.; Westerholt K.; Zabel H.; Garif'yanov N.; Goryunov Y.; Garifullin I.; Khaliullin G.; Tagirov L. (1997)
    Single crystal Fe/Nb (110) bilayers with an Nb thickness d Nb in the range from 140 to 650 Å and with an Fe thickness d Fe in the range from 5 to 100 Å were prepared using molecular beam epitaxy (MBE) techniques. For d ...
  • Garifullin I.; Tikhonov D.; Garif'yanov N.; Fattakhov M.; Tagirov L.; Theis-Bröhl K.; Westerholt K.; Zabel H. (2004)
    We have studied the superconducting proximity effect in the thin film system Fe/Cr/V/Cr/Fe where the Cr layers play the role of screening layers between the superconducting V-layer and the strongly pair breaking Fe-layers. ...
  • Lazar L.; Westerholt K.; Zabel H.; Tagirov L.; Goryunov Y.; Garif'yanov N.; Garifullin I. (2000)
    We report on measurements of structural, superconducting, and magnetic properties of trilayer and bilayer systems combined of superconducting Pb and ferromagnetic Fe. The Pb/Fe layers can be grown on Al 2O 3 with reasonably ...
  • Garifullin I.; Tikhonov D.; Garif'Yanov N.; Fattakhov M.; Tagirov L.; Theiz-Bröhl K.; Westerholt K.; Zabel H. (2004)
    The proximity effect was studied in a thin-film Fe-Cr-V-Cr-Fe layered system. As the chromium layer thickness (d(Cr)) increases at a fixed thickness of iron layers (d(Fe)), the dependence of the superconducting transition ...

Search DSpace

Browse

My Account