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We present a time-resolved measurement of magnetization dynamics during ferromagnetic resonance (FMR) in a single layer of Ni81Fe19. Small-angle (<1 deg.) precession of elemental Ni, Fe moments could be measured directly and quantitatively…

Materials Science · Physics 2007-05-23 Y. Guan , W. E. Bailey , E. Vescovo , C. -C. Kao , D. A. Arena

Using a time-resolved detection scheme in scanning transmission X-ray microscopy (STXM) we measured element resolved ferromagnetic resonance (FMR) at microwave frequencies up to 10\,GHz and a spatial resolution down to 20\,nm at two…

Mesoscale and Nanoscale Physics · Physics 2019-07-01 T. Schaffers , T. Feggeler , S. Pile , R. Meckenstock , M. Buchner , D. Spoddig , V. Ney , M. Farle , H. Wende , S. Wintz , M. Weigand , H. Ohldag , K. Ollefs , A. Ney

Element-specific spectroscopies using synchrotron-radiation can provide unique insights into materials properties. The recently developed technique of X-ray detected ferromagnetic resonance (XFMR) allows studying the magnetization dynamics…

Materials Science · Physics 2023-05-17 Gerrit van der Laan , Thorsten Hesjedal

We demonstrate a layer- and time-resolved measurement of ferromagnetic resonance (FMR) in a Ni81Fe19 / Cu / Co93Zr7 trilayer structure. Time-resolved x-ray magnetic circular dichroism has been developed in transmission, with resonant field…

Materials Science · Physics 2009-11-11 D. A. Arena , E. Vescovo , C. -C. Kao , Y. Guan , W. E. Bailey

X-ray magnetic circular dichroism (XMCD) has become an important and powerful tool because it allows the study of material properties in combination with elemental specificity, chemical state specificity, and magnetic specificity. A new…

Instrumentation and Detectors · Physics 2015-06-19 Zhi-Ying Guo , Cai-Hao Hong , Hai-Ying Xing , Kun Tang , Wei Xui , Dong-liang Chen , Ming-Qi Cui , YI-Dong Zhao

We experimentally image the magnetic precession phase of patterned spin Hall multilayer samples to study the rf driving field vector using time-resolved anomalous Nernst effect (TRANE) microscopy. Our ferromagnetic resonance (FMR)…

Materials Science · Physics 2016-04-27 Feng Guo , Jason M. Bartell , Gregory D. Fuchs

Broadband ferromagnetic resonance is a useful technique to determine the magnetic anisotropy and study the magnetization dynamics of magnetic thin films. We report a spring-loaded sample loading manipulator for reliable sample mounting and…

Applied Physics · Physics 2019-07-09 Shikun He , Qing Qin , Tiejun Zhou , Christos Panagopoulos

Magnetic diffraction in combination with x-ray detected ferromagnetic resonance (DFMR) is a powerful technique for performing time-resolved measurements on individual spin textures. Here, we study the ferromagnetic resonance (FMR) modes of…

Materials Science · Physics 2022-11-11 David M. Burn , Shilei Zhang , Gerrit van der Laan , Thorsten Hesjedal

We demonstrate an element-specific measurement of magnetization precession in a metallic ferromagnetic alloy, separating Ni and Fe moment motion in Ni81Fe19. Pump-probe X-ray magnetic circular dichroism (XMCD), synchronized with short…

Materials Science · Physics 2007-05-23 W. E. Bailey , L. Cheng , D. Keavney , C. -C. Kao , E. Vescovo , D. Arena

X-ray emission spectroscopy is emerging as an important complement to x-ray absorption fine structure spectroscopy, providing a characterization of the occupied electronic density of states local to the species of interest. Here, we present…

We present Magnetic Resonance Force Microscopy (MRFM) measurements of Ferromagnetic Resonance (FMR) in a 50 nm thick permalloy film, tilted with respect to the direction of the external magnetic field. At small probe-sample distances the…

X-ray free-electron lasers (XFELs) have been widely used for applications such as X-ray crystallography and magnetic spin probes because of their unprecedented performance. Recently, time-resolved X-ray magnetic circular dichroism (XMCD)…

Instrumentation and Detectors · Physics 2018-07-04 Bangjie Deng , Jiawei Yan , Qingmin Zhang , Yaodong Sang , Haixiao Deng

X-ray resonant magnetic reflectivity (XRMR) allows for the simultaneous measurement of structural, optical and magnetooptic properties and depth profiles of a variety of thin film samples. However, a same-beamtime same-sample systematic…

Experiments of time-resolved x-ray magnetic circular dichroism (Tr-XMCD) and resonant x-ray scattering at a beamline BL07LSU in SPring-8 with a time-resolution of under 50 ps are presented. A micro-channel plate is utilized for the Tr-XMCD…

Functional Magnetic Resonance Imaging (fMRI) data is a widely used kind of four-dimensional biomedical data, which requires effective compression. However, fMRI compressing poses unique challenges due to its intricate temporal dynamics, low…

Image and Video Processing · Electrical Eng. & Systems 2024-03-01 Ruoran Li , Runzhao Yang , Wenxin Xiang , Yuxiao Cheng , Tingxiong Xiao , Jinli Suo

X-ray detected ferromagnetic resonance (XFMR) spectroscopy is an experimental technique for element-specific spin dynamics in the GHz regime and has been utilized to study spintronic materials. The XFMR signal is usually obtained by…

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

We report on the measurement of element-specific magnetic resonance spectra at gigahertz frequencies using x-ray magnetic circular dichroism (XMCD). We investigate the ferrimagnetic precession of Gd and Fe ions in Gd-substituted Yttrium…

Materials Science · Physics 2008-01-22 G. Boero , S. Mouaziz , S. Rusponi , P. Bencok , F. Nolting , S. Stepanow , P. Gambardella

Ferromagnetic resonance has been used to study the magnetic properties and magnetization dynamics of polycrystalline Fe$_{1-x}$V$_{x}$ alloy films with $0\leq x < 0.7$. Films were produced by co-sputtering from separate Fe and V targets,…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J-M. L. Beaujour , A. D. Kent , J. Z. Sun

Ferromagnetic resonance (FMR) is a fundamental technique for probing magnetization dynamics in spintronic and magnetic materials. However, conventional FMR measurements rely on broadband vector network analyzers (VNAs), whose high cost…

Materials Science · Physics 2025-12-12 Reo Fukunaga , Ryunosuke Takahashi , Tetsuro Ueno , Hiroki Shoji , Yoshihiko Togawa , Hiroki Wadati
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