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Related papers: Real-time MOKE microscopy made simple

200 papers

The control of electron spins in materials that are simultaneously ferromagnetic and insulating opens up a wealth of quantum phenomena in spin-based electronics. Thin films of europium oxide (EuO) are ideal for the generation and…

Materials Science · Physics 2024-04-29 Seema , Moumita Kundu , Paul Rosenberger , Henrik Jentgens , Ulrich Nowak , Martina Müller

Measuring local magnetization dynamics and its spatial variation is essential for advancements in spintronics and relevant applications. Here we demonstrate a phase-sensitive imaging technique for studying patterned magnetic structures…

Materials Science · Physics 2015-07-10 Feng Guo , J. M. Bartell , D. H. Ngai , G. D. Fuchs

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…

The ferromagnetism of a thin GaMnAs layer with a perpendicular easy anisotropy axis is investigated by means of several techniques, that yield a consistent set of data on the magnetic properties and the domain structure of this diluted…

We combine ultrafast X-ray diffraction (UXRD) and time-resolved Magneto-Optical Kerr Effect (MOKE) measurements to monitor the strain pulses in laser-excited TbFe2/Nb heterostructures. Spatial separation of the Nb detection layer from the…

Cavity magnonics investigates hybrid systems where magnons interact coherently with photons, providing a platform to harness light-matter interaction in magnetic materials. Progress in this field hinges on achieving stronger and tunable…

Mesoscale and Nanoscale Physics · Physics 2026-02-02 Davit Petrosyan , Hiroki Matsumoto , Hanchen Wang , Jamal Ben Youssef , Richard Schlitz , William Legrand , Pietro Gambardella

Mechanisms of the recently demonstrated ex-situ thermal control of the indirect exchange coupling in magnetic multilayer are discussed for different designs of the spacer layer. Temperature-induced changes in the hysteresis of magnetization…

Mesoscale and Nanoscale Physics · Physics 2018-09-26 D. M. Polishchuk , Yu. O. Tykhonenko-Polishchuk , V. Yu. Borynskyi , A. F. Kravets , A. I. Tovstolytkin , V. Korenivski

We report here sign reversal and tunability of exchange bias in AuFe cosputtered films of thickness about 63 nm. As deposited film exhibits exchange bias effect at room temperature without external triggering field and its magnitude…

Magnetic microscopy that combines nanoscale spatial resolution with picosecond scale temporal resolution uniquely enables direct observation of the spatiotemporal magnetic phenomena that are relevant to future high-speed, high-density…

Mesoscale and Nanoscale Physics · Physics 2021-07-07 Chi Zhang , Jason M. Bartell , Jonathan C. Karsch , Isaiah Gray , Gregory D. Fuchs

The magnetoresistance (MR) of 10 nm to 200 nm thin polycrystalline Co-films, deposited on glass and insulating Si(100), is studied in fields up to 120 kOe, aligned along the three principal directions with respect to the current:…

Other Condensed Matter · Physics 2009-11-11 Woosik Gil , Detlef Goerlitz , Michael Horisberger , Juergen Koetzler

Magnetodynamics in epitaxial Fe1-xCox films on GaAs (100) are studied using time-resolved ferromagnetic resonance, in which the free precession of the magnetization after an impulsive excitation is measured using the polar Kerr effect. The…

Materials Science · Physics 2009-11-07 D. M. Engebretson , S. Zellinger , L. C. Chen , C. J. Palmstrom , P. A. Crowell

Nanosized Y3Fe5O12 epitaxial films have been grown on Nd3Ga5O12 substrates using laser molecular beam epitaxy method. Magneto-optical polar Kerr effect, ferromagnetic resonance and spin wave propagation measurements show that the…

Mesoscale and Nanoscale Physics · Physics 2019-01-31 B. B. Krichevtsov , V. E. Bursian , S. V. Gastev , A. M. Korovin , L. V. Lutsev , S. M. Suturin , K. V. Mashkov , M. P. Volkov , N. S. Sokolov

We demonstrate the evolution of the micro-patterned magnetic domains in CoPd thin films pretreated with e-beam lithography and O2 plasma. During the days-long oxidation, significantly different behaviors of the patterned magnetic domains…

Materials Science · Physics 2021-11-11 Wei-Hsiang Wang , Chak-Ming Liu , Tzu-Hung Chuang , Der-Hsin Wei , Wen-Chin Lin , Pei-hsun Jiang

The magnetic force microscopy inverse problem for the case of horizontal scanning of a tip on a linear magnetic film is introduced. We show the possibility to recover the magnetic permeability of the material from the experimental data by…

Other Condensed Matter · Physics 2007-05-23 Artorix de la Cruz de Ona , Nibaldo Alvarez Moraga

We utilize variable-temperature, variable-frequency magneto-optical transverse magnetic susceptibility technique to study the static and dynamical magnetic properties of a thin-film CoO/Permalloy bilayer. Our measurements demonstrate that…

Materials Science · Physics 2019-01-30 Sergei Urazhdin , Weijie Li , Lydia Novozhilova

We investigate the ultrafast spin dynamics in an epitaxial hcp(1100) cobalt thin film. By performing pump-probe magneto-optical measurements with the magnetization along either the easy or hard magnetic axis, we determine the…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 Vivek Unikandanunni , Rajasekhar Medapalli , Eric E. Fullerton , Karel Carva , Peter M. Oppeneer , Stefano Bonetti

The thickness evolution of in-plane magnetization reversal in ultrathin films is studied with a theoretical model that takes account of surface roughness typical of epitaxial growth. Guided by N\'{e}el's model, step edge sites of…

Materials Science · Physics 2007-05-23 R. A. Hyman , A. Zangwill , M. D. Stiles

Magnetic anisotropy is a key parameter of magnetic materials as it decides the response in the presence of an external magnetic field. The artificial tailoring of magnetic anisotropy by manipulating surface and interface morphology is…

Materials Science · Physics 2023-02-24 Anup Kumar Bera , Dileep Kumar

The recent isolation of two-dimensional van der Waals magnetic materials has uncovered rich physics that often differs from the magnetic behaviour of their bulk counterparts. However, the microscopic details of fundamental processes such as…

The successful commercialization of flexible spintronic devices requires a complete understanding of the impact of external strain on the structural, electronic, and magnetic properties of a system. The impact of bending-induced strain on…