NDLI: Nearly isotropic propagation of 0.5 micrometer bubbles in contiguous disk devices

Content Provider	IEEE Xplore Digital Library
Author	Soonchul Jo Kryder, M.
Copyright Year	1965
Abstract	"Good" and "bad" ion implanted bubble propagation tracks of various shaped patterns (snake, diamond, circular and triangular shapes) were fabricated on garnet films for 0.5 µm bubbles with nearly isotropic magnetostriction. Quasistatic bias margin measurements show great improvement of bad track margins for all pattern shapes. The best overlapping bias margins were obtained from 2.5 µm period diamond shaped patterns, which show a 30 Oe minimum drive field and 78 Oe margin width at 50 Oe drive. On the other hand, snake patterns exibit the best "good" track margin with a minimum drive of 25 Oe and a margin width of 78 Oe at 50 Oe drive, but show somewhat inferior "bad" track margins. It was found that "bad" track margins of snake patterns are especially sensitive to ion implantation conditions and the propagation pattern cusp shape. By carefully adjusting ion implantation conditions (implantation energy and dosage) and the pattern cusp shape, nearly isotropic propagation was achieved for all propagation pattern shapes tested.
Sponsorship	IEEE Magnetics Society
Starting Page	1278
Ending Page	1280
Page Count	3
File Size	545854
File Format	PDF
ISSN	00189464
Volume Number	22
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1986-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetostriction Ion implantation Gold Garnet films Anisotropic magnetoresistance Deuterium Shape measurement Magnetic anisotropy Perpendicular magnetic anisotropy Magnetic materials
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Ion-implantation conditions and annealing effects for contiguous disk bubble devices

Annealing behavior of deuterium implanted garnet films

Determination of doses for ion implantation in garnet films

Origin of effective anisotropy field change induced by ion implantation in magnetic garnet films

Magnetic bubble collapse in ion implanted bubble propagation tracks

Measurement of magnetocrystalline anisotropy field and magnetostriction coefficient in garnet films

The role of charged walls in contiguous-disk bubble devices--A review

Hard bubble suppression and controlled state generation of one micron bubbles in ion-implanted garnet films

Crystal symmetry effects in ion-implanted propagation patterns for magnetic bubbles: Roof-top designs

Nearly isotropic propagation of 0.5 micrometer bubbles in contiguous disk devices

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