Oscillatory biquadratic antiferromagnet/ferromagnet interface exchange coupling

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

9 Citations (Scopus)

Abstract

A study of the influence of roughness at an antiferromagnet (AFM)/ferromagnet (FM) interface on the magnetic exchange coupling in epitaxial Co(0 0 1)/FCT-Mn(0 0 1) bilayers is presented. Co atomic monolayer thickness oscillations of the coercivity (HC) and the exchange bias (HE) are observed, which are clearly related to the modulated interface step density caused by the layer-by-layer growth mode of the Co(0 0 1) template films. Simulations based on a Stoner–Wohlfarth model suggest the existence of a strong intrinsic orthogonal coupling of the AFM/FM interface spins. This interaction is distinctly weakened by an increased interface roughness.
LanguageEnglish
Title of host publicationProceedings of the 5th International Symposium on Metallic Multilayers (MML 2004), 7-11 June 2004, Boulder, Colorado, U.S.A.
Pages220-224
DOIs
StatePublished - 2005

Publication series

NameJournal of Magnetism and Magnetic Materials
Volume286
ISSN (Print)0304-8853

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Kohlhepp, J. T., Kurnosikov, O., & Jonge, de, W. J. M. (2005). Oscillatory biquadratic antiferromagnet/ferromagnet interface exchange coupling. In Proceedings of the 5th International Symposium on Metallic Multilayers (MML 2004), 7-11 June 2004, Boulder, Colorado, U.S.A. (pp. 220-224). (Journal of Magnetism and Magnetic Materials; Vol. 286). DOI: 10.1016/j.jmmm.2004.09.067
Kohlhepp, J.T. ; Kurnosikov, O. ; Jonge, de, W.J.M./ Oscillatory biquadratic antiferromagnet/ferromagnet interface exchange coupling. Proceedings of the 5th International Symposium on Metallic Multilayers (MML 2004), 7-11 June 2004, Boulder, Colorado, U.S.A.. 2005. pp. 220-224 (Journal of Magnetism and Magnetic Materials).
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abstract = "A study of the influence of roughness at an antiferromagnet (AFM)/ferromagnet (FM) interface on the magnetic exchange coupling in epitaxial Co(0 0 1)/FCT-Mn(0 0 1) bilayers is presented. Co atomic monolayer thickness oscillations of the coercivity (HC) and the exchange bias (HE) are observed, which are clearly related to the modulated interface step density caused by the layer-by-layer growth mode of the Co(0 0 1) template films. Simulations based on a Stoner–Wohlfarth model suggest the existence of a strong intrinsic orthogonal coupling of the AFM/FM interface spins. This interaction is distinctly weakened by an increased interface roughness.",
author = "J.T. Kohlhepp and O. Kurnosikov and {Jonge, de}, W.J.M.",
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series = "Journal of Magnetism and Magnetic Materials",
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Kohlhepp, JT, Kurnosikov, O & Jonge, de, WJM 2005, Oscillatory biquadratic antiferromagnet/ferromagnet interface exchange coupling. in Proceedings of the 5th International Symposium on Metallic Multilayers (MML 2004), 7-11 June 2004, Boulder, Colorado, U.S.A.. Journal of Magnetism and Magnetic Materials, vol. 286, pp. 220-224. DOI: 10.1016/j.jmmm.2004.09.067

Oscillatory biquadratic antiferromagnet/ferromagnet interface exchange coupling. / Kohlhepp, J.T.; Kurnosikov, O.; Jonge, de, W.J.M.

Proceedings of the 5th International Symposium on Metallic Multilayers (MML 2004), 7-11 June 2004, Boulder, Colorado, U.S.A.. 2005. p. 220-224 (Journal of Magnetism and Magnetic Materials; Vol. 286).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

TY - GEN

T1 - Oscillatory biquadratic antiferromagnet/ferromagnet interface exchange coupling

AU - Kohlhepp,J.T.

AU - Kurnosikov,O.

AU - Jonge, de,W.J.M.

PY - 2005

Y1 - 2005

N2 - A study of the influence of roughness at an antiferromagnet (AFM)/ferromagnet (FM) interface on the magnetic exchange coupling in epitaxial Co(0 0 1)/FCT-Mn(0 0 1) bilayers is presented. Co atomic monolayer thickness oscillations of the coercivity (HC) and the exchange bias (HE) are observed, which are clearly related to the modulated interface step density caused by the layer-by-layer growth mode of the Co(0 0 1) template films. Simulations based on a Stoner–Wohlfarth model suggest the existence of a strong intrinsic orthogonal coupling of the AFM/FM interface spins. This interaction is distinctly weakened by an increased interface roughness.

AB - A study of the influence of roughness at an antiferromagnet (AFM)/ferromagnet (FM) interface on the magnetic exchange coupling in epitaxial Co(0 0 1)/FCT-Mn(0 0 1) bilayers is presented. Co atomic monolayer thickness oscillations of the coercivity (HC) and the exchange bias (HE) are observed, which are clearly related to the modulated interface step density caused by the layer-by-layer growth mode of the Co(0 0 1) template films. Simulations based on a Stoner–Wohlfarth model suggest the existence of a strong intrinsic orthogonal coupling of the AFM/FM interface spins. This interaction is distinctly weakened by an increased interface roughness.

U2 - 10.1016/j.jmmm.2004.09.067

DO - 10.1016/j.jmmm.2004.09.067

M3 - Conference contribution

T3 - Journal of Magnetism and Magnetic Materials

SP - 220

EP - 224

BT - Proceedings of the 5th International Symposium on Metallic Multilayers (MML 2004), 7-11 June 2004, Boulder, Colorado, U.S.A.

ER -

Kohlhepp JT, Kurnosikov O, Jonge, de WJM. Oscillatory biquadratic antiferromagnet/ferromagnet interface exchange coupling. In Proceedings of the 5th International Symposium on Metallic Multilayers (MML 2004), 7-11 June 2004, Boulder, Colorado, U.S.A.. 2005. p. 220-224. (Journal of Magnetism and Magnetic Materials). Available from, DOI: 10.1016/j.jmmm.2004.09.067