"P(GA202/03/0776), P(ME 507)" . . . "Amorphous Co66Fe4B15Si15 ribbons field-annealed in air atmosphereexhibit the asymmetric giant magneto-impedance effectwhich is promising for sensor applications (GMI valve). The desiredeffect originates from the exchange coupling between themagnetically harder surface crystalline phase and the soft magneticamorphous bulk. In this paper the magneto-optic (MO)Kerr effect is used to investigate the surface magnetic propertiesof field-annealed ribbons. The dependence of magnetic behavioron annealing condition is reported.Two in-plane magnetization components, parallel and perpendicularto the applied magnetic field, are carefully separated by usinglongitudinal and transverse Kerr effects and using adjustment ofcoil orientation. The effects of near-surface region and the bulkcontribution are separated using the MO vector magnetometry.The near-surface contributions to the magnetic anisotropy andmagnetization reversal are characterized in more details. Themagneto-optical data are compared with magneto-impedan" . "Postava, Kamil" . . "Mal\u00E1tek, M." . "Pi\u0161tora, Jarom\u00EDr" . . "Surface crystallized Co66Fe4B15Si15 amorphous ribbons studied using magneto-optical vector magnetometry"@en . "1"^^ . "2"^^ . "Kraus, L." . "589055" . "Institute for Solid State and Materials Research Dresden (IFW)" . "Surface crystallized Co66Fe4B15Si15 amorphous ribbons studied using magneto-optical vector magnetometry" . "Jani\u010Dkovi\u010D, D." . . "2004-09-05+02:00"^^ . "magneto-optics;magnetometry;amorphous materials"@en . "27350" . . "RIV/61989100:27350/04:00011068!RIV/2005/GA0/273505/N" . "Povrchov\u011B krystalovan\u00E9 Co66Fe4B15Si15 amorfn\u00ED p\u00E1sky studovan\u00E9 pomoc\u00ED magnetooptick\u00E9 vektorov\u00E9 magnetometrie"@cs . "6"^^ . . "\u017Divotsk\u00FD, O." . "RIV/61989100:27350/04:00011068" . "Povrchov\u011B krystalovan\u00E9 Co66Fe4B15Si15 amorfn\u00ED p\u00E1sky studovan\u00E9 pomoc\u00ED magnetooptick\u00E9 vektorov\u00E9 magnetometrie"@cs . "Dresden" . "Surface crystallized Co66Fe4B15Si15 amorphous ribbons studied using magneto-optical vector magnetometry"@en . . "Dresden" . . . "Surface crystallized Co66Fe4B15Si15 amorphous ribbons studied using magneto-optical vector magnetometry" . . . . . "Povrchov\u011B krystalovan\u00E9 Co66Fe4B15Si15 amorfn\u00ED p\u00E1sky studovan\u00E9 pomoc\u00ED magnetooptick\u00E9 vektorov\u00E9 magnetometrie"@cs . . "Book of Abstracts, Joint European Magnetic Symposia" . . . "Amorphous Co66Fe4B15Si15 ribbons field-annealed in air atmosphereexhibit the asymmetric giant magneto-impedance effectwhich is promising for sensor applications (GMI valve). The desiredeffect originates from the exchange coupling between themagnetically harder surface crystalline phase and the soft magneticamorphous bulk. In this paper the magneto-optic (MO)Kerr effect is used to investigate the surface magnetic propertiesof field-annealed ribbons. The dependence of magnetic behavioron annealing condition is reported.Two in-plane magnetization components, parallel and perpendicularto the applied magnetic field, are carefully separated by usinglongitudinal and transverse Kerr effects and using adjustment ofcoil orientation. The effects of near-surface region and the bulkcontribution are separated using the MO vector magnetometry.The near-surface contributions to the magnetic anisotropy andmagnetization reversal are characterized in more details. Themagneto-optical data are compared with magneto-impedan"@en . "[C55DE9763B39]" . "146" . .