X-ray detected magnetic resonance of YIG thin films in the nonlinear regime of spin waves

Goulon, J.; Rogalev, A.; Wilhelm, F.; Goujon, G.; Brouder, Christian; Yaresko, A. N.; Youssef, J. Ben; Indenbom, M. V.

doi:10.1016/j.jmmm.2010.02.032

Cited by 15 publications

(44 citation statements)

References 72 publications

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“…Ferromagnetic Resonance (FMR) experiments, were carried out at 8.5 GHz, using the X-ray detected magnetic resonance (XDMR) dedicated spectrometer 18 . In as compared to the one of the amorphous film (∆H ∼ 6 mT).…”

Section: Methodsmentioning

confidence: 99%

Violation of Hund's third rule in structurally disordered ferromagnets

et al. 2011

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Violation of Hund's third rule caused by structural disorder is observed for the induced magnetic moment of Zr, using X-ray magnetic circular dischroism. The induced spin and orbital magnetic moments are anti-parallel in the crystalline state, but parallel in an amorphous state of the investigated Co-and Fe-based materials. First principles calculations are used to provide physical insight into the dependency of the spin-orbit coupling on the interatomic distance and coordination number.

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Section: Methodsmentioning

confidence: 99%

Violation of Hund's third rule in structurally disordered ferromagnets

et al. 2011

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“…E ≥ 2 keV) since the beamline optics and instrumentation are fairly different for the two spectral ranges. Actually, XDMR experiments have been reported which used either hard-XMCD [1][2][3][4][5], or soft-XMCD [6][7][8][9][10][11][12][13][14][15]. In this paper, we shall concentrate on XDMR experiments to be performed at the X-ray absorption K-edges of magnetic 3d transition elements, i.e.…”

Section: Magnetic Resonance With Element and Edge Selectivitymentioning

confidence: 99%

“…1 refers to the orbital polarization of pprojected densities of states (DOS). Taking into account electric quadrupole (E2) transitions will mix final states associated with atomic orbitals of different symmetry [2,5]:…”

Section: Magnetic Resonance With Element and Edge Selectivitymentioning

confidence: 99%

“…Similarly, the Hamiltonians describing exchange spin waves in solids most often ignore spin-orbit interactions whereas the phenomenological Landau-Lifshitz-Gilbert (LLG) or Bloembergen Bloch (BB) equations commonly used in FMR do work well when the spectroscopic splitting factor (g) is close to its free spin value (g 2) [5]. In other terms, there is -as yet-no microscopic theory that can rigorously describe the precession of the magnetization components associated with z or s z .…”

Section: Precession Dynamics Of Z and S Z Up To Thz Pump Frequenciesmentioning

confidence: 99%

“…It was nevertheless suggested elsewhere [2] that a formulation in terms of local LLG or BB equations could still be used as long as the resonance frequencies and linewidths measured by XDMR at a given absorbing edge are allowed to depart from the effective values measured with standard FMR. This is why it is desirable to carefully compare XDMR and FMR spectra recorded under identical pumping conditions [5].…”

Section: Precession Dynamics Of Z and S Z Up To Thz Pump Frequenciesmentioning

confidence: 99%

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X-Ray Detected Magnetic Resonance at Sub-THz Frequencies Using a High Power Gyrotron Source

Рогалев

Goulon

Goujon

et al. 2011

J Infrared Milli Terahz Waves

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X-ray Detected Magnetic Resonance (XDMR) is a novel spectroscopy which makes use of X-ray Magnetic Circular Dichroism (XMCD) to probe the resonant precession of local magnetization components in a strong microwave pump field. In Sections 1 and 2, we briefly review the conceptual bases of XDMR and the potential interest of increasing the pumping frequency up to the THz frequency range. In Sections 3-5, we discuss the feasibility of such challenging experiments. Starting from a comparison of experiments carried out either in the transverse (TRD) or longitudinal (LOD) detection geometries, we show that XDMR measurements at sub-THz frequencies require a substantial increase in pumping power: this is where a gyrotron source looks most appropriate. It is the aim of this paper to discuss how to conduct such experiments, emphasis being laid on feasibility tests recently carried out at the ESRF using a refurbished version of Gyrotron FU-II built at the FIR-FU. In this context, we propose a new detection scheme of sub-THz XDMR spectra based on the concept of frequency-mixing in LOD geometry.

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

Laan

2017

Journal of Electron Spectroscopy and Related Phenomena

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X-ray detected magnetic resonance of YIG thin films in the nonlinear regime of spin waves

Cited by 15 publications

References 72 publications

Violation of Hund's third rule in structurally disordered ferromagnets

Violation of Hund's third rule in structurally disordered ferromagnets

X-Ray Detected Magnetic Resonance at Sub-THz Frequencies Using a High Power Gyrotron Source

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

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