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| Quantum phase diagram for the ground-state magnetic moment and the total angular momentum. |
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| Schematic of the fabrication of polymeric magnetic microactuators. |
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| Aging experiments in the ZFC protocol at 20 K with waiting times 30, 300, and 3000 s. The inset shows the corresponding experiments in the FC protocol. |
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| Strategy for the assembly and optically triggered disassembly of RMP dendron complexes and a schematic representation of the surface/core-spin alignment in the presence of a magnetic field. |
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| (a) DW flex distance measured for different field duration t ¼ 1, 5, 10, and 15 seconds at T = 88 K in the 20 m device. Inset: Measured slopes plotted against t showing the onset of DW creep at t > 12 s. (b) Pinning site density measured at a constant t = 8 s for both devices. (c) Arrhenius plot of the pinning force, demonstrating the thermal deactivation energy for the pinning sites. (d) DW displacement for a field application of 1 Oe showing the time response of the measurement. |
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| Crystal structure of Li2CuO2 with two CuO2 chains per unit cell along the b axis. Right: View along the c axis on the ab plane. The main in- and interchain couplings J1;2 and JIC, J0 IC: arcs and dashed lines, respectively. The normalized ICs read beta_1= J_IC/J_1 and beta_2 =J_IC/J_1. |
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| Part of the 3D phase diagram around Li2CuO2 in terms of beta_2 and alpha. hs is given by contour lines. |
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| (a), (b), (e), (f) Spin-resolved dI/dU images. Note: (b) is a zoomed area from image (a) with opposite tip magnetization direction. (c) Hysteresis curve taken from the area shown in (b). |
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| Joule heating in a Permalloy nanowire with a notch on a silicon nitride membrane. |
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| (a), (b) Contour plots of dV/dI as a function of both the dc bias and the applied magnetic field, with the field-sweep directions from the AP to P state and from the P to AP state, respectively. (c) Schematic of the switching boundaries, with the area of interest divided into several typical regimes. |
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| (a) The coordinate system of the device. The direction of the effective field heff is along the ez axis. (b) A schematic configuration of a spin valve with circularly spin-polarized current. |
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| (a) and (b) Two initial magnetization states for relaxing into the Landau domain structure (c) and diamond-domain structure (d), respectively. (e) Dependence of total energy on the anisotropy constantK. (f) Dependence of total energy on the exchange coefficient A. |
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| Domain-wall energy (in J units) as a function of the ratio D/J: discrete-lattice calculation (solid line), continuum-limit solution (dashed line). Crosses and circles correspond to the ratios used in transfer matrix and time-quantified Monte Carlo calculations, respectively. |
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| The structure of [Cu(HF2)(pyz)2]PF6, as an example of the [M(HF2)(pyz)2]X series. |
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| Dependence of critical current J1 onthe nanodisk thickness for different disk diameters. |
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| (a) The pure CIDWM V* vs J. Inset shows the motion of two DWs as a response to J. (b) V* vs ðH^1=4 for the DW motion driven by either pure H or J or both. |
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| Gilbert damping parameter for bcc Fe1-xCox as a function of Co concentration. |
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| (a) Schematic of the two AP states of a SAF particle (left and right panels) and the optical, out-of-phase oscillation of the two moments under an off-axis microwave field (center panel). (b) Large-amplitude (dashed line) and small amplitude (solid line) optical-mode precession of the SAF antiferromagnetic vector. |
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| Experimentally obtained coupled wall velocity vC(H) (•) plotted with hard domain velocities in the presence of a positively saturated soft layer v1(H + H1) (trian. up) and a negativelysaturated soft layer v1(H − H1) (trian. down). |
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| 2D absorption spectra of homogenous width NW arrays. Wire width is 540 nm. Wire separations are (a) s = 810 nm, (b) s = 120 nm, and (c) s = 80 nm. The MOKE results for s = 80 nm are shown in (d). |
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| Estimates for Tc(α,L) for different values of α vs L −1. α = 0 (pure Ising), 0.0001, 0.001, 0.01, 0.1, 0.5, and 1 (Husimi-Temperley). |
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| Schematic picture of a ferromagnet (F) in contact with a thermal bath (reservoirs) via metallic normal metal leads (N). |
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| Magnetization vector field of a sinusoidal and cycloidal spin spiral. Contour lines give the constant magnetic potential. |
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| (a) Equipotential lines of the spin spiral. (b) Potential due to the induced magnetization of the substrate. |
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| Remagnetization processes at sweeping from positive to negative applied field for rec- (a)–(d) and rho- (e)–(h) superlattice geometries. Inverted areas in each case are outlined and shadowed. |
