Is the first-order magneto-optical effect really proportional to the magnetization?

Guillot, M.; Fang, Zhang; Xu, Yi; Yang, Jingyu; Wei, Xing

doi:10.1063/1.2711066

Journal of Applied Physics

2007

DOI: 10.1063/1.2711066

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Is the first-order magneto-optical effect really proportional to the magnetization?

M. Guillot

Zhang Fang

Yi Xu

et al.

Abstract: Magnetic and magneto-optical properties of neodymium gallium garnet under "extreme" conditions J. Appl. Phys. 93, 8005 (2003); 10.1063/1.1558086The role of the exchange coupling and applied field strength in the magneto-optical effects of magnetic insulators

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Cited by 2 publications

References 16 publications

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Theoretical investigation of the magnetic and magneto-optical properties of neodymium trifluoride under high magnetic field

Fang

Guillot

et al. 2008

Journal of Applied Physics

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Based on the quantum theory, a detailed theoretical analysis of both the magnetic and magneto-optical properties of NdF3 is developed. Using the one-ion model, the choice of the crystal field parameters plays a crucial role. The reasons for the 4.2K isothermal M(H) curve intersecting with the 1.6K M(H) curve, and for the nonlinear relation between the Faraday rotation and the magnetic field at low temperature, are that the lowest three crystal fields and spin-orbit interaction split levels are not only split, but also strongly mixed with each other by H. Other specific properties like the magnetic susceptibility anisotropy in the 4.2–1100K temperature range are also well interpreted.

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Theoretical investigation of the magnetic and magneto-optical properties of neodymium trifluoride under high magnetic field

Fang

Guillot

et al. 2008

Journal of Applied Physics

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Measurement of the magnetic properties of thin films based on the spin Hall effect of light

Wang

Taallah

et al. 2020

Opt. Express

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Using the spin Hall effect of light, this work proposes a measurement technique of the magnetic properties of thin films. The beam shift of the spin Hall effect of light is used to replace the magneto-optical Kerr rotation angle as a parameter to characterize the magnetism of thin films. The technique can easily achieve an accuracy of 10−6 rad of the magneto-optical Kerr rotation angle which can, in theory, be further improved to 10−8 rad. We also proposed two methods to solve the problem of the exceeding linear response region of the measurement under high magnetic field intensity, making it more conducive to practical application. This technique has great potential for application in the magnetic measurement of ultra-thin films with particular emphasis on thicknesses within several atomic layers.

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Is the first-order magneto-optical effect really proportional to the magnetization?

Abstract: Magnetic and magneto-optical properties of neodymium gallium garnet under "extreme" conditions J. Appl. Phys. 93, 8005 (2003); 10.1063/1.1558086The role of the exchange coupling and applied field strength in the magneto-optical effects of magnetic insulators

Cited by 2 publications

References 16 publications

Theoretical investigation of the magnetic and magneto-optical properties of neodymium trifluoride under high magnetic field

Theoretical investigation of the magnetic and magneto-optical properties of neodymium trifluoride under high magnetic field

Measurement of the magnetic properties of thin films based on the spin Hall effect of light

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