Optical measurement of magnetic anisotropy in thin garnet films

P.J. Rijnierse; H. Logmans; R. Metselaar; W.T. Stacy

doi:10.1007/BF00896031

Optical measurement of magnetic anisotropy in thin garnet films

P.J. Rijnierse, H. Logmans, R. Metselaar, W.T. Stacy

Materials and Interface Chemistry

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Abstract

This paper describes an improved optical method for measuring locally the cubic and uniaxial magnetic anisotropy fields in thin garnet films. The derivative of the in-plane component of the magnetization is measured, using a double modulation technique which combines polarization modulation with field modulation. A simple graphical method is devised to calculateH k andH u from the extrema in this derivative curve. The results of measurements on magnetic garnet films obtained by different methods are compared. Local measurements of the anisotropy induced by substrate facet strain are described.

Original language	English
Pages (from-to)	143-150
Journal	Applied Physics
Volume	8
Issue number	2
DOIs	https://doi.org/10.1007/BF00896031
Publication status	Published - 1975

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title = "Optical measurement of magnetic anisotropy in thin garnet films",

abstract = "This paper describes an improved optical method for measuring locally the cubic and uniaxial magnetic anisotropy fields in thin garnet films. The derivative of the in-plane component of the magnetization is measured, using a double modulation technique which combines polarization modulation with field modulation. A simple graphical method is devised to calculateH k andH u from the extrema in this derivative curve. The results of measurements on magnetic garnet films obtained by different methods are compared. Local measurements of the anisotropy induced by substrate facet strain are described.",

author = "P.J. Rijnierse and H. Logmans and R. Metselaar and W.T. Stacy",

year = "1975",

doi = "10.1007/BF00896031",

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journal = "Applied Physics",

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T1 - Optical measurement of magnetic anisotropy in thin garnet films

AU - Rijnierse, P.J.

AU - Logmans, H.

AU - Metselaar, R.

AU - Stacy, W.T.

PY - 1975

Y1 - 1975

N2 - This paper describes an improved optical method for measuring locally the cubic and uniaxial magnetic anisotropy fields in thin garnet films. The derivative of the in-plane component of the magnetization is measured, using a double modulation technique which combines polarization modulation with field modulation. A simple graphical method is devised to calculateH k andH u from the extrema in this derivative curve. The results of measurements on magnetic garnet films obtained by different methods are compared. Local measurements of the anisotropy induced by substrate facet strain are described.

AB - This paper describes an improved optical method for measuring locally the cubic and uniaxial magnetic anisotropy fields in thin garnet films. The derivative of the in-plane component of the magnetization is measured, using a double modulation technique which combines polarization modulation with field modulation. A simple graphical method is devised to calculateH k andH u from the extrema in this derivative curve. The results of measurements on magnetic garnet films obtained by different methods are compared. Local measurements of the anisotropy induced by substrate facet strain are described.

U2 - 10.1007/BF00896031

DO - 10.1007/BF00896031

M3 - Article

SN - 0340-3793

VL - 8

SP - 143

EP - 150

JO - Applied Physics

JF - Applied Physics

IS - 2

ER -

Optical measurement of magnetic anisotropy in thin garnet films

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