Suppression of hard bubbles in magnetic garnet films by ion implantation: Dependence on ion species, dose, energy, and annealing
作者:
R. Wolfe,
J.C. North,
Y.P. Lai,
期刊:
Applied Physics Letters
(AIP Available online 1973)
卷期:
Volume 22,
issue 12
页码: 683-685
ISSN:0003-6951
年代: 1973
DOI:10.1063/1.1654552
出版商: AIP
数据来源: AIP
摘要:
Hard bubbles in typical bubble garnets can be eliminated by ion implantation which produces a layer of planar magnetization at least a few hundred angstroms thick. Neon at doses in the 1014‐ions/cm2range is as effective as hydrogen at doses in the 1016‐ions/cm2range in suppressing hard bubbles without effecting domain wall coercivity or mobility. Annealing studies have shown that the thermal stability of the effect increases with increasing dose and decreasing energy of implantation and is sufficient to withstand maximum device processing temperatures and assure long lifetimes.
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