Damon-eshbach spin waves

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August undefined, 2024

WebDec 16, 2003 · For values of k ≳10 4 a number of branches have significant surface character so that no single branch can be identified with the Damon‐Eshbach surface state. When the applied field is perpendicular to the surface a new type of surface spin wave occurs below the bulk manifold and is characterized by a complex wave vector normal to … WebFeb 1, 2012 · W. Damon and J. R. Eshbach J. Phys. Chem. Solids 19, 308 (1961). with wave vectors having Fourier components of the reciprocal lattice of the silver array. Hence, in an otherwise uniform...

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WebAug 15, 2000 · The dipole terms are expressed in a Hamiltonian formalism, and the dipole sums are calculated in a rapidly convergent form. The Damon-Eshbach surface modes … Web微信公众号计算材料学介绍：计算材料学科研论坛，欢迎新手、专家、大师以及业余爱好者。；prl导读-2024年130卷12期 eagle self storage omaha ar

Microscopic Theory of Damon-Eshbach Modes in Ferromagnetic Films

WebAug 3, 2015 · a, Sketch of a Damon–Eshbach spin wave propagating at the Ni 80 Fe 20 /Pt interface with wavevector k M ∥ − x with the magnetization M ∥ + z.All individual moments precess in the external ... WebMagnonics offers a new way for information transport that uses spin waves (SWs) and is free of charge currents. Unlike Damon-Eshbach SWs, the magneto-static forward volume SWs offer the reciprocity configuration suitable for SW logic devices with low power consumption. Here, we study forward volume SW propagation in yttrium iron garnet … WebAn unusual peculiarity of the IDMI-based pinning is that its scales as the spin-wave wave number. We incorporate these boundary conditions into an existing numerical model for … eagle seeds and biotech

Generation of propagating backward volume spin waves by phase …

Temporal evolution of the spin-wave intensity and phase in a local ...

WebJan 1, 1999 · The dispersions of dipolar (Damon-Eshbach modes) and exchange-dominated spin waves are calculated for in-plane-magnetized thin and ultrathin cubic films with (111) crystal orientation and the ... WebJun 17, 2016 · In 2013 An et al. have shown that by the excitation of nonreciprocal spin waves, so-called Damon-Eshbach modes (DEM), in a 400 μm thick Yttrium Iron Garnet (YIG) crystal heat can be transported ... eagle select annuityWebSeven decades after the discovery of collective spin excitations in microwave-irradiated ferromagnets, there has been a rebirth of magnonics. However, magnetic nanodevices will enable smart GHz-to-THz devices at low power consumption only, if such csm chemical compatibility

"WebApr 7, 2014 · Thermally excited spin waves in thin Co/sub 91/-Zr/sub 9/ sputtered films havebeen studied at room temperature by Brillouin scattering in external magneticfields of up to 3.5 kOe. In order to precisely determine the /ital g/ factor andthe surface exchange constant, we extensively studied the Damon--Eshbach modein a 1-..mu..m-thick film. " - Damon-eshbach spin waves

Damon-eshbach spin waves

Direct observation of isolated Damon-Eshbach and …

WebReciprocal Damon-Eshbach-type spin wave excitation in a magnonic crystal due to tunable magnetic symmetry R. Huber,1 M. Krawczyk,2 T. Schwarze,1 H. Yu,1 G. Duerr,1 S. Albert,1 and D. Grundler1,a) 1Lehrstuhl fur Physik funktionaler Schichtsysteme, Technische Universit €at Munchen, Physik Department, James-Franck-Str. 1, D-85747 Garching b. WebDec 9, 2024 · By applying a large in-plane field, spin wave propagation in a Damon–Eshbach configuration is studied. Our findings provide a potential method to explore reconfigurable magnonic devices. We would like to thank Oleg A. Tretiakov, Israa Medlej, and C. Fang for useful discussions. We would also wish to acknowledge support …

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WebThe observed spin wave excitation spectra must be interpreted with spin wave quantization such as Damon-Eshbach mode separation. It was found that the spin wave quantization is related to the stripe magnetic domain structure in continuous film. The physical origin of the quantization is the partial reflection of the propagating spin wave at the ... WebFeb 24, 2016 · Using an optically driven high-current picosecond pulse source in combination with time-resolved scanning Kerr microscopy probed by femtosecond laser …

WebApr 1, 2013 · In this paper, we report systematic measurements of the dispersion of long wavelength spin waves for a wide range of wave vectors for the magnetic field along the … WebNov 11, 2024 · (C) The NV ESR frequencies ω ± are swept over the Damon-Eshbach spin-wave dispersion (black line) by tuning B 0. For any B 0 (1) < B 0 (2), ω − is resonant with spin waves of finite wavelength. At B 0 = B 0 (2), ω − is resonant with the ferromagnetic resonance (FMR).

WebWe present a combined Brillouin light scattering (BLS) and micromagnetic simulation investigation of the magnetic-field-dependent spin-wave spectra in a hybrid structure made of permalloy (NiFe) artificial spin-ice (ASI) systems, composed of stadium-shaped nanoislands, deposited on the top of an unpatterned permalloy film with a nonmagnetic … WebJan 16, 2024 · ABSTRACT. We compare the characteristics of electrically transduced Damon–Eshbach spin-wave (DESW) and backward volume spin-wave (BVSW) …

WebMay 2, 2012 · Figure 2(d) displays the dispersion relation of a Damon Eshbach spin wave inside the waveguide (blue curve) with the internal field reduced to 160 Oe so that the k=0 spin wave frequency agrees with experimental value (3.6 GHz). The finite width of the waveguide (20 µm) generally suppresses waveguide internal field due to …

Web自旋波(spin wave)是磁性体系中自旋进动的集体激发态,最早由物理学家布洛赫(Bloch,1952年诺贝尔物理学奖获得者)[1]于1930 年提出,用来解释铁磁体自发磁化强度随温度变化的重要规律,随后在1957 年被物理学家布罗克豪斯(Brockhouse,1994 年诺贝尔物理学奖获得者)[2]采用非 ... csm check medicalWebDec 16, 2003 · The effects of exchange on the magnetostatic surface and bulk spin waves of a ferromagnetic film in the regime where the dipole and exchange fields are both … eagle seeds and biotech limitedWebApr 9, 2024 · Furthermore a Backward-Volume spin wave can be converted to a Damon–Eshbach spin wave (strongly boosting the frequency) and vice versa by rotating the external field \({90}^{\circ }\). eagle self storage missoula mtWebJun 4, 2024 · The existence of magnetostatic surface spin waves in ferromagnets, known as the Damon-Eshbach mode, was recently demonstrated to originate from the topology of … eagle self storage newfane nyWebJul 9, 2008 · The theory for the spinwave modes of a ferromagnetic single layer by Damon and Eshbach [J. Phys. Chem. Solids 19, 308 (1961)] has been extended to double layer … csm checkWebMar 15, 2024 · Thus, as it follows from the results of simulation, the length of a spin wave for a particular direction in a stripe YIG waveguide can be efficiently manipulated by the external electric field. 4. Conclusion. For the Damon-Eshbach geometry, it is shown, that a nonzero electric field leads to a shift of the minimum of the waveguide modes. eagle self storage flat rock ncWebMay 1, 2001 · The Damon–Eshbach surface modes are analyzed for different directions of the spin-wave propagation and also for different ratios of the strength of the dipole … csm chemistry