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  • 2000-2004  (1)
  • 1985-1989  (3)
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  • 1
    Digitale Medien
    Digitale Medien
    Magnetostriction of amorphous GdFeCo and YFeCo thin films (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 5498-5500 
    Details
    ISSN: 1089-7550
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: The contribution of Gd and/or (Fe,Co) to the saturation magnetostriction constant λs of pseudobinary Gdx(Fe100−yCoy)100−x (9〈x〈65, y=100, 74,38, or 0) films has been examined by substituting nonmagnetic Y for Gd or nonmagnetic Cu for (Fe,Co) and comparing λs of these alloys at 300 and 80 K. The magnetostriction of Gdx(Fe,Co)100−x as well as Yx(Fe,Co)100−x films are positive and the composition (x) dependence of λs in Gd alloys is similar to Y alloys, but λs of Gd alloys are larger than Y alloys. It was further found that GdxCu100−x (35〈x〈60) shows positive λs at 80 K. These facts indicate positive contribution of Gd to λs in amorphous Gd-(Fe,Co) alloys.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.342312
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  • 2
    Digitale Medien
    Digitale Medien
    Perpendicular anisotropy of bias modulated ErCo sputtered films (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 5437-5439 
    Details
    ISSN: 1089-7550
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: Perpendicular anisotropy in bias modulated ErCo sputtered films has been investigated. A ErCo single layer film with or without substrate bias has in-plane magnetization, while a multilayered film formed by the bias modulation has perpendicular magnetization when the modulation period is in the range of 30–60 A(ring). The perpendicular anisotropy is thought to originate in the interface and the value of interface anisotropy Ks is estimated to be 0.01–0.02 erg/cm2.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.342339
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  • 3
    Digitale Medien
    Digitale Medien
    Magnetic and magneto-optic properties of Tb-FeCo-Al films (1985)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 57 (1985), S. 3903-3905 
    Details
    ISSN: 1089-7550
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: The influence of an addition of Al on the corrosion resistance of amorphous 100-nm-thick Tb-Fe coevaporated films has been studied. From measurements of the change of the optical transmittance, it is seen that the growth of pin holes is reduced considerably. However, the addition of Al also results in a decrease of the magnetic and magneto-optic properties of the Tb-Fe films such as the Curie temperature, the Kerr rotation, the perpendicular anisotropy, and the coercivity. These problems, however, are recovered easily by replacing part of the Fe by Co. This replacement also contributes to the improvement of the corrosion resistance. It has been shown that Tb-Fe-Co-Al films have a much better corrosion resistance than Tb-Fe or Tb-Fe-Co films, while having the same good magnetic and magneto-optic properties.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.334910
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  • 4
    Digitale Medien
    Digitale Medien
    Magnetic domains in nanostructured media studied with M-TXM (2001)
    Chester : International Union of Crystallography (IUCr)
    Journal of synchrotron radiation 8 (2001), S. 325-327 
    Details
    ISSN: 1600-5775
    Quelle: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Thema: Geologie und Paläontologie , Physik
    Notizen: Combining X-ray magnetic circular dichroism (X-MCD) with a transmission X-ray microscope (TXM) allows to image element-specifically magnetic domain structures with 25 nm lateral resolution. Both in-plane and out-of-plane systems can be studied in applied magnetic fields. Thus field-dependent parameters, as individual nucleation fields in magnetic nanostructures can be deduced and related to morphology. Images of thermomagnetically written bits in magneto-optical TbFeCo media proof the reliability of the writing process and the importance of an exact thermal design of the systems. Domains observed at corresponding Co L edges proof the chemical sensitivity of M-TXM and its potential to image few monolayer systems.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1107/S0909049500015089
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