Magnetic properties of ultrathin<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>3</mml:mn><mml:mi>d</mml:mi></mml:mrow></mml:math>transition-metal binary alloys. I. Spin and orbital moments, anisotropy, and confirmation of Slater-Pauling behavior

Schoen, Martin; Lucassen, Juriaan; Nembach, Hans T.; Silva, T J; Koopmans, B.; Back, Christian; Shaw, Justin M.

doi:10.1103/physrevb.95.134410

Cited by 54 publications

(30 citation statements)

References 58 publications

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“…However, this explanation does not account for our measured dependence of H 0 on alloy concentration, since the perpendicular magnetic anisotropy, described in Ref. [32], effectively exhibits opposite behavior with alloy concentration. An explanation for this is proposed in Ref.…”

Section: Resultsmentioning

confidence: 67%

“…[32] and the factor of 2 accounts for the presence of two nominally identical interfaces of the alloys in the cap and seed layers. In Figs.…”

Section: Resultsmentioning

confidence: 99%

“…Further details of the deposition conditions, XRD, FMR measurement, and fitting of the complex susceptibility to the measured S 21 parameter are reported in Ref. [32].…”

Section: Samples and Methodsmentioning

confidence: 99%

“…The alloy phases are denoted by color code described in Ref. [32]. and the inhomogeneous linewidth broadening H 0 are then determined from a fit to the linewidth H vs frequency f plot [22], as shown in Fig.…”

Section: Samples and Methodsmentioning

confidence: 99%

“…To examine this relationship, we plot α int versus (g-2) 2 (determined in Ref. [32]) for all samples measured here in Fig. 5.…”

Section: -4mentioning

confidence: 99%

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Magnetic properties in ultrathin 3d transition-metal binary alloys. II. Experimental verification of quantitative theories of damping and spin pumping

et al. 2017

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General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. A systematic experimental study of Gilbert damping is performed via ferromagnetic resonance for the disordered crystalline binary 3d transition-metal alloys Ni-Co, Ni-Fe, and Co-Fe over the full range of alloy compositions. After accounting for inhomogeneous linewidth broadening, the damping shows clear evidence of both interfacial damping enhancement (by spin pumping) and radiative damping. We quantify these two extrinsic contributions and thereby determine the intrinsic damping. The comparison of the intrinsic damping to multiple theoretical calculations yields good qualitative and quantitative agreement in most cases. Furthermore, the values of the damping obtained in this study are in good agreement with a wide range of published experimental and theoretical values. Additionally, we find a compositional dependence of the spin mixing conductance.

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Section: Resultsmentioning

confidence: 67%

“…[32] and the factor of 2 accounts for the presence of two nominally identical interfaces of the alloys in the cap and seed layers. In Figs.…”

Section: Resultsmentioning

confidence: 99%

“…Further details of the deposition conditions, XRD, FMR measurement, and fitting of the complex susceptibility to the measured S 21 parameter are reported in Ref. [32].…”

Section: Samples and Methodsmentioning

confidence: 99%

Section: Samples and Methodsmentioning

confidence: 99%

“…To examine this relationship, we plot α int versus (g-2) 2 (determined in Ref. [32]) for all samples measured here in Fig. 5.…”

Section: -4mentioning

confidence: 99%

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Magnetic properties in ultrathin 3d transition-metal binary alloys. II. Experimental verification of quantitative theories of damping and spin pumping

et al. 2017

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Characteristics of Ultrathin Ni Films

Grilli

Vernhes²,

et al. 2019

Physica Status Solidi (a)

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Conductive and transparent ultra-thin Nickel films are grown by RF sputtering on fused silica substrates. The characteristics of Ni films (thickness, refractive index, and extinction coefficient) are obtained by fitting multi-angle spectrophotometric and ellipsometric data. Films thickness inferred by X ray reflection (XRR) measurements is in good accordance with ellipsometric results. XPS analysis reveals that Ni metal phase is present in the film surface together with Ni mixed oxide phases, which explains the high electrical stability of such films.

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Direct Imaging of High‐Frequency Multimode Spin Wave Propagation in Cobalt‐Iron Waveguides Using X‐Ray Microscopy beyond 10 GHz

Träger

Gruszecki

Lisiecki

et al. 2020

Physica Rapid Research Ltrs

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The rising research field of magnonics, which is named after the quanta of spin waves, represents a potential candidate for substituting electronic devices as information carriers at the nanoscale. [1-5] Nevertheless, data communication does not represent the only prospective route for magnonics. High-frequency radar systems get increasingly important, e.g., for autonomous driving. This requires very accurate and fast position tracking as well as communication with surrounding vehicles. [6] However, complex electronic building blocks for radar transceivers are vulnerable for nonlinearities at high frequencies and, thus, cause serious problems regarding reliable detection and communication. [6-9] With respect to higher stability, higher data throughput, and faster logic operations at frequencies above 10 GHz, magnonic circuits represent a very promising approach, which allows for substituting several electronic elements in current radar systems. [10] Radar sensors typically require a larger signal bandwidth than communication signals. Thus, high performance in both radar and communication applications requires fine-tuning of signals and advanced bandwidth concepts. Therefore, single-and multi-carrier waveforms between 20 and 30 GHz are very promising for increasing transmission rates and combining communication and sensing. [6] To this end, magnonic waveguides show outstanding characteristics for reliable multimode propagation, [11-14] which could define the backbone of magnonic building blocks in prospective radar applications. [3,15] In this work, we demonstrate the spatially and temporally resolved observation of spin wave excitation and propagation in such magnonic cobalt-iron (CoFe) waveguides at the nanoscale by time-resolved scanning transmission X-ray microscopy (STXM). The large saturation magnetization of CoFe results

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Magnetic properties of ultrathin3dtransition-metal binary alloys. I. Spin and orbital moments, anisotropy, and confirmation of Slater-Pauling behavior

Cited by 54 publications

References 58 publications

Magnetic properties in ultrathin 3d transition-metal binary alloys. II. Experimental verification of quantitative theories of damping and spin pumping

Magnetic properties in ultrathin 3d transition-metal binary alloys. II. Experimental verification of quantitative theories of damping and spin pumping

Characteristics of Ultrathin Ni Films

Direct Imaging of High‐Frequency Multimode Spin Wave Propagation in Cobalt‐Iron Waveguides Using X‐Ray Microscopy beyond 10 GHz

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