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Related papers: Magneto-optical Kerr effect in an A-type antiferro…

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When a polarized light beam is incident upon the surface of a magnetic material, the reflected light undergoes a polarization rotation. This magneto-optical Kerr effect (MOKE) has been intensively studied in a variety of ferro- and…

With the development of two-dimensional (2D) magnetic materials, magneto-optical Kerr effect (MOKE) is widely used to measure ferromagnetism in 2D systems. Although this effect is usually inactive in antiferromagnets (AFM), recent…

Materials Science · Physics 2025-07-14 Di Zhou , Ning Ding , Haoshen Ye , Shuai Dong , Shan-Shan Wang

Materials with no net magnetization are generally not magneto-optically active. While this is individually true for a collinear antiferromagnet (AFM) and a topological insulator (TI), it is shown here that the magneto-optic Kerr effect…

Mesoscale and Nanoscale Physics · Physics 2021-07-21 Amrit De , Tonmoy K. Bhowmick , Roger Lake

We study the magneto-optical Kerr effect (MOKE) of the two-dimensional heterostructure CrI3/In2Se3/CrI3 by using density functional theory calculations and symmetry analysis. The spontaneous polarization in the In2Se3 ferroelectric layer…

Materials Science · Physics 2023-05-12 Ning Ding , Kunihiro Yananose , Carlo Rizza , Feng-Ren Fan , Shuai Dong , Alessandro Stroppa

The magnetooptic Kerr effect (MOKE) is a well known and handy tool to characterize ferro-, ferri- and antiferromagnetic materials. Many of the MOKE techniques employ effects solely linear in magnetization $\bm{M}$. Nevertheless, a…

The magneto-optical Kerr effect (MOKE) is often assumed to be proportional to the magnetisation of a magnetically ordered metallic sample; in metallic ferrimagnets with chemically distinct sublattices, such as rare-earth transition-metal…

The polar magneto-optical Kerr effect (MOKE) for low-symmetric ferromagnetic crystals is investigated theoretically based on first-principle calculations of optical conductivities and a transfer matrix approach for the electrodynamics part…

Other Condensed Matter · Physics 2009-11-11 Helmut Rathgen , Mikhail I. Katsnelson , Olle Eriksson , Gertrud Zwicknagl

The magneto-optical Kerr effect (MOKE), the differential reflection of oppositely circularly polarized light, has traditionally been associated with relativistic spin-orbit coupling (SOC), which links a particle's spin with its orbital…

The magneto-optical Kerr effect (MOKE) is a widely used lab-based technique for the study of thin films and nanostructures, providing magnetic characterization with good spatial and temporal resolutions. Due to the complex coupling of light…

The linear magneto-optical Kerr effect (MOKE) is often used to probe magnetism of ferromagnetic materials, but MOKE cannot be applied to collinear antiferromagnets (AFs) due to the cancellation of sub-lattice magnetization. Magneto-optical…

Using symmetry arguments and a tight-binding model, we show that for layered collinear anti- ferromagnets, magneto-optic effects can be generated and manipulated by controlling crystal symmetries through a gate voltage. This provides a…

Materials Science · Physics 2016-12-28 Nikhil Sivadas , Satoshi Okamoto , Di Xiao

The magneto-optical Kerr effect (MOKE) is a powerful probe of magnetism. Its contact-free optical nature makes it potentially well suitable for measurements under pulsed magnetic fields if various difficulties are overcome. In this paper,…

Strongly Correlated Electrons · Physics 2026-04-16 Soichiro Yamane , Sota Nakamura , Atsutoshi Ikeda , Kosuke Noda , Akihiko Ikeda , Shingo Yonezawa

In most of the cases the magnetooptic Kerr effect (MOKE) techniques rely solely on the effects linear in magnetization ($\bm{M}$). Nevertheless, a higher-order term being proportional to $\bm{M}$$^2$ and called quadratic MOKE (QMOKE) can…

Instrumentation and Detectors · Physics 2018-06-05 Robin Silber , Michaela Tomíčková , Jari Rodewald , Joachim Wollschläger , Martin Veis , Timo Kuschel , Jaroslav Hamrle

We have measured the magneto-optical Kerr effect (MOKE) in an orthorhombic organic antiferromagnet $\kappa$-(BEDT-TTF)$_2$Cu[N(CN)$_2$]Cl, which is a candidate for an altermagnet. From the Maxwell equations, we derived matrix-type general…

Magneto-optical Kerr effect (MOKE) magnetometry is one of the most widely employed techniques for the characterization of ferromagnetic thin-film samples. Some information, such as coercive fields or anisotropy strengths can be obtained…

Materials Science · Physics 2009-03-05 M. Buchmeier , R. Schreiber , D. E. Bürgler , C. M. Schneider

The magneto-optic Kerr effect (MOKE) is often applied as a tool for the magnetic characterization of thin films. Here, the change in polarization upon reflection from the magnetized sample is mainly regarded as being linearly proportional…

The magneto-optical Kerr effect (MOKE) is investigated in hematite, a collinear antiferromagnetic insulator, across a broad wavelength spectrum. By combining the optical measurements with magnetometry results, we unambiguously demonstrate…

Other Condensed Matter · Physics 2025-12-24 Haolin Pan , Rui-Chun Xiao , Jiahao Han , Hongxing Zhu , Junxue Li , Qian Niu , Yang Gao , Dazhi Hou

The Magneto-Optical Kerr Effect (MOKE) is a fundamental tool in magnetometry, pivotal for advancing research in optics, magnetism, and spintronics as a direct probe of magnetization. Traditional MOKE measurements primarily detect the…

In most studies utilizing the magneto-optic Kerr effect (MOKE), the detected change of polarized light upon reflection from a magnetized sample is supposed to be proportional to the magnetization $\boldsymbol{M}$. However, MOKE signatures…

Optics · Physics 2026-02-16 Maik Gaerner , Robin Silber , Tobias Peters , Jaroslav Hamrle , Timo Kuschel

A MOKE magnetometry unit simultaneously sensitive to both in-plane magnetization components, based on an intensity differential detection method, allows us to observe the uniaxial anisotropy impressed during CoFe-deposition and to…

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