Effects of seed layer on the coercivity and exchange bias in Co/Ag/CoO heterostructures

J. C. Eckert; M. Seetin; T. Gredig; E. D. Dahlberg

doi:10.1016/j.jmmm.2003.12.050

Effects of seed layer on the coercivity and exchange bias in Co/Ag/CoO heterostructures

J. C. Eckert, M. Seetin, T. Gredig, E. D. Dahlberg

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Conference article › peer-review

Abstract

Magnetic multilayers of the form Co/Ag/CoO, grown on Si₃N ₄ substrates, with seed layers of Ag or Ta of various thicknesses were studied. There is a dramatic difference between the exchange fields and between the coercive fields for the differing seed layers such that, for a Ag seed layer, the loop can be fully shifted to one side of zero field whereas, with a Ta seed layer, this behavior is not observed. One important difference in the seed layers is the layer roughness; the Ag seed layer is as much as six times rougher than the Ta layer, as determined by atomic force microscopy.

Original language	English (US)
Pages (from-to)	1210-1211
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	272-276
DOIs	https://doi.org/10.1016/j.jmmm.2003.12.050
State	Published - May 2004
Event	Proceedings of the International Conference on Magnetism - Rome, Italy Duration: Jul 27 2003 → Aug 1 2003

Bibliographical note

Funding Information:
This work was supported primarily by the MRSEC Program of the National Science Foundation under Award Number DMR-0212302.

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

Keywords

Exchange bias
Seed layer roughness
Training effect

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10.1016/j.jmmm.2003.12.050

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title = "Effects of seed layer on the coercivity and exchange bias in Co/Ag/CoO heterostructures",

abstract = "Magnetic multilayers of the form Co/Ag/CoO, grown on Si3N 4 substrates, with seed layers of Ag or Ta of various thicknesses were studied. There is a dramatic difference between the exchange fields and between the coercive fields for the differing seed layers such that, for a Ag seed layer, the loop can be fully shifted to one side of zero field whereas, with a Ta seed layer, this behavior is not observed. One important difference in the seed layers is the layer roughness; the Ag seed layer is as much as six times rougher than the Ta layer, as determined by atomic force microscopy.",

keywords = "Exchange bias, Seed layer roughness, Training effect",

author = "Eckert, {J. C.} and M. Seetin and T. Gredig and Dahlberg, {E. D.}",

note = "Funding Information: This work was supported primarily by the MRSEC Program of the National Science Foundation under Award Number DMR-0212302. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.; Proceedings of the International Conference on Magnetism ; Conference date: 27-07-2003 Through 01-08-2003",

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language = "English (US)",

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T1 - Effects of seed layer on the coercivity and exchange bias in Co/Ag/CoO heterostructures

AU - Eckert, J. C.

AU - Seetin, M.

AU - Gredig, T.

AU - Dahlberg, E. D.

N1 - Funding Information: This work was supported primarily by the MRSEC Program of the National Science Foundation under Award Number DMR-0212302. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2004/5

Y1 - 2004/5

N2 - Magnetic multilayers of the form Co/Ag/CoO, grown on Si3N 4 substrates, with seed layers of Ag or Ta of various thicknesses were studied. There is a dramatic difference between the exchange fields and between the coercive fields for the differing seed layers such that, for a Ag seed layer, the loop can be fully shifted to one side of zero field whereas, with a Ta seed layer, this behavior is not observed. One important difference in the seed layers is the layer roughness; the Ag seed layer is as much as six times rougher than the Ta layer, as determined by atomic force microscopy.

AB - Magnetic multilayers of the form Co/Ag/CoO, grown on Si3N 4 substrates, with seed layers of Ag or Ta of various thicknesses were studied. There is a dramatic difference between the exchange fields and between the coercive fields for the differing seed layers such that, for a Ag seed layer, the loop can be fully shifted to one side of zero field whereas, with a Ta seed layer, this behavior is not observed. One important difference in the seed layers is the layer roughness; the Ag seed layer is as much as six times rougher than the Ta layer, as determined by atomic force microscopy.

KW - Exchange bias

KW - Seed layer roughness

KW - Training effect

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JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

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Y2 - 27 July 2003 through 1 August 2003

ER -

Effects of seed layer on the coercivity and exchange bias in Co/Ag/CoO heterostructures

Abstract

Bibliographical note

Keywords

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