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Time-resolved X-ray detected ferromagnetic resonance of spin currents

DOI: 10.1016/j.elspec.2016.12.011 DOI Help

Authors: Gerrit Van Der Laan (Diamond Light Source)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of Electron Spectroscopy And Related Phenomena , VOL 220 , PAGES 137-146

State: Published (Approved)
Published: October 2017
Diamond Proposal Number(s): 10191 , 11500 , 11501 , 13047

Abstract: X-ray detected ferromagnetic resonance (XFMR) has recently emerged as a powerful synchrotron-radiation-based tool able to study the element-selective magnetization dynamics. Magnetic and chemical contrast in XFMR is obtained by X-ray magnetic circular dichroism (XMCD), while the phase difference between the magnetization precessions is monitored using stroboscopic probing. A unique property of time-resolved XFMR is the visualization of the magnetization precession for each individual layer in a magnetic device. Measurement of the amplitude and phase response of the magnetic layers gives a clear signature of spin-transfer torque (STT) coupling between ferromagnetic layers due to spin pumping.

Journal Keywords: FMR; XMCD; Spin pumping; Spin-transfer torque

Subject Areas: Technique Development, Physics, Materials

Diamond Offline Facilities: Magnetic Spectroscopy Lab
Instruments: I06-Nanoscience , I10-Beamline for Advanced Dichroism

Other Facilities: Yes, ALS and BESSY

Added On: 19/01/2017 11:24

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