Ion Implantation Effects in Magnetic Bubble Garnets

  • J. C. North
  • R. Wolfe
Part of the The IBM Research Symposia Series book series (IRSS)


Ion implantation has been used to change the magnetic properties of magnetic bubble garnets. The damage produced by implantation causes lattice expansion, which places the implanted material in lateral compression. This effect allows the easy axis of magnetization within the implanted layer to be placed either perpendicular or parallel to the surface depending upon the sign of the magnetostriction constant. The effects of a thin implanted layer having planar magnetization on the underlying magnetic bubbles are described. Applications include the suppression of hard bubbles, implanted rails for electric current access propagation and implanted drive patterns for magnetic field access propagation. The increases in lattice parameter determined from X-ray diffraction measurements and the doses required for hard bubble suppression correlate with the theoretical nuclear stopping powers for the ions used.


Domain Wall Easy Axis Bias Field Lattice Parameter Increase Magnetostriction Constant 
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Copyright information

© Plenum Press, New York 1973

Authors and Affiliations

  • J. C. North
    • 1
  • R. Wolfe
    • 1
  1. 1.Bell LaboratoriesMurray HillUSA

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