Abstract
Co-22 at.%Cr films with perpendicular magnetic anisotropy have been sputter-deposited onto glass substrates at various substrate temperatures from room temperature to 230 degrees C. A systematic X-ray analysis has shown that higher substrate temperatures such as 200 degrees C promote the pronounced asymmetric nature in the X-ray profile of Co-Cr films. Co-Cr films deposited at high substrate temperatures are composed of at least two regions differing in crystallinity, implying a microscopic stratified nature along the film thickness. Correlation of such a microstructure with a segregation mechanism and resultant magnetic properties is described. In addition to the magnetocrystalline anisotropy of Co-Cr films, it is suggested that surface or interface anisotropy due to the stratified structure might be present.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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