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MICROSTRUCTURE AND MAGNETISM OF[Co/Ti] AND [Co/Cu(Ni)] MULTILAYERS |
WU Ping;JIANG Enyong; WANG Cunda; BAI Haili; LIU Yuguang; WANG Heying(Tian jin University; Tianjin; 300072) |
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Cite this article:
WU Ping;JIANG Enyong; WANG Cunda; BAI Haili; LIU Yuguang; WANG Heying(Tian jin University; Tianjin; 300072). MICROSTRUCTURE AND MAGNETISM OF[Co/Ti] AND [Co/Cu(Ni)] MULTILAYERS. Acta Metall Sin, 1997, 33(6): 625-630.
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Abstract Two series of the multilayers with the forms of [Co/Ti]30 and[Co / Cu(Ni)]30 prepared by dual facing target sputtering at room temperature, consist ofamorphous Co magnetic layer and exhibit soft magnetic properties. The structural and magnetic properties of [Co/Cu(Ni)] and [Co/Ti] multilayers were examined as a function of thespacer layer thickness (dTi and dCu(Ni)) by XRD, TEM and VSM measurements. The saturation magnetization Ms of the [Co/Ti] multilayer was found to decrease with dTi, but for the[Co/Cu(Ni)] multilayers, the Ms was found to oscillate with dCu(Ni). The Ms approached toa constant value when dTi and dCu(Ni) thickened enough. This is the result of differentinterlayer magnetic coupling effects.
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Received: 18 June 1997
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