Second harmonic generation from magnetic surfaces and thin films

R. Vollmer; Q. Y. Jin; H. Regensburger; J. Kirschner

doi:10.1016/S0304-8853(98)01216-5

Second harmonic generation from magnetic surfaces and thin films

R. Vollmer^*
, Q. Y. Jin
, H. Regensburger
, J. Kirschner

^*Corresponding author for this work

Max Planck Institute of Microstructure Physics

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

15 Scopus citations

Abstract

In this paper we discuss the magneto-optical Kerr effect in the frequency doubled light (MSHG, magnetization-induced second harmonic generation) generated at interfaces of ultrathin ferromagnetic films and the surface of crystals having inversion symmetry. We demonstrate that the `magnetic signals' like the nonlinear Kerr angle or the asymmetry can be strongly affected by the `nonmagnetic' part of the second-order nonlinear susceptibility tensor, χ_nonmag⁽²⁾. This changes of χ_nonmag⁽²⁾ can be caused by the change of the electronic structure with film thickness (quantum well states in the Cu cover layer of Cu/Co/Cu(0 0 1)) or by changes of the surface morphology. One monolayer (ML) periodic oscillation during the layer-by-layer growth of Co films on Cu(0 0 1) were observed in the magnetic second order susceptibility χ_nonmag⁽²⁾.

Original language	English
Pages (from-to)	611-616
Number of pages	6
Journal	Journal of Magnetism and Magnetic Materials
Volume	198
DOIs	https://doi.org/10.1016/S0304-8853(98)01216-5
State	Published - 1 Jun 1999
Externally published	Yes
Event	Proceedings of the 1998 3rd International Symposium on Metallic Multilayers (MML-98) - Vancouver, BC, Can Duration: 14 Jun 1998 → 19 Jun 1998

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10.1016/S0304-8853(98)01216-5

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title = "Second harmonic generation from magnetic surfaces and thin films",

abstract = "In this paper we discuss the magneto-optical Kerr effect in the frequency doubled light (MSHG, magnetization-induced second harmonic generation) generated at interfaces of ultrathin ferromagnetic films and the surface of crystals having inversion symmetry. We demonstrate that the `magnetic signals' like the nonlinear Kerr angle or the asymmetry can be strongly affected by the `nonmagnetic' part of the second-order nonlinear susceptibility tensor, χnonmag(2). This changes of χnonmag(2) can be caused by the change of the electronic structure with film thickness (quantum well states in the Cu cover layer of Cu/Co/Cu(0 0 1)) or by changes of the surface morphology. One monolayer (ML) periodic oscillation during the layer-by-layer growth of Co films on Cu(0 0 1) were observed in the magnetic second order susceptibility χnonmag(2).",

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TY - JOUR

T1 - Second harmonic generation from magnetic surfaces and thin films

AU - Vollmer, R.

AU - Jin, Q. Y.

AU - Regensburger, H.

AU - Kirschner, J.

PY - 1999/6/1

Y1 - 1999/6/1

N2 - In this paper we discuss the magneto-optical Kerr effect in the frequency doubled light (MSHG, magnetization-induced second harmonic generation) generated at interfaces of ultrathin ferromagnetic films and the surface of crystals having inversion symmetry. We demonstrate that the `magnetic signals' like the nonlinear Kerr angle or the asymmetry can be strongly affected by the `nonmagnetic' part of the second-order nonlinear susceptibility tensor, χnonmag(2). This changes of χnonmag(2) can be caused by the change of the electronic structure with film thickness (quantum well states in the Cu cover layer of Cu/Co/Cu(0 0 1)) or by changes of the surface morphology. One monolayer (ML) periodic oscillation during the layer-by-layer growth of Co films on Cu(0 0 1) were observed in the magnetic second order susceptibility χnonmag(2).

AB - In this paper we discuss the magneto-optical Kerr effect in the frequency doubled light (MSHG, magnetization-induced second harmonic generation) generated at interfaces of ultrathin ferromagnetic films and the surface of crystals having inversion symmetry. We demonstrate that the `magnetic signals' like the nonlinear Kerr angle or the asymmetry can be strongly affected by the `nonmagnetic' part of the second-order nonlinear susceptibility tensor, χnonmag(2). This changes of χnonmag(2) can be caused by the change of the electronic structure with film thickness (quantum well states in the Cu cover layer of Cu/Co/Cu(0 0 1)) or by changes of the surface morphology. One monolayer (ML) periodic oscillation during the layer-by-layer growth of Co films on Cu(0 0 1) were observed in the magnetic second order susceptibility χnonmag(2).

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U2 - 10.1016/S0304-8853(98)01216-5

DO - 10.1016/S0304-8853(98)01216-5

M3 - 会议文章

AN - SCOPUS:0032688552

SN - 0304-8853

VL - 198

SP - 611

EP - 616

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

T2 - Proceedings of the 1998 3rd International Symposium on Metallic Multilayers (MML-98)

Y2 - 14 June 1998 through 19 June 1998

ER -

Second harmonic generation from magnetic surfaces and thin films

Abstract

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