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| Hysteresis curve of a “Pac-Man”-like Py nanodot with an outer diameter of 70 nm, an inner diameter of 46 nm, and a thickness of 40 nm. |
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| Onset temperature Ton for spin freezing, derived from resistivity data, for samples prepared at 285 K. |
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| Switching curves at 40 mK for one single nanocluster, after three successive coolings. The dashed line is the easy axis direction and the dot indicates the bias field. Also shown is the CoO[10-1]direction. |
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| (a) Schematic drawing of the measurement condition. (b) XAS from the Ni L2 edge and Fe magnetic hysteresis loops from the Fe XMCD measurement. (c) L2 ratio versus the polarization angle. The result shows that the NiO in-plane spin component decreases to zero as the MgO thickness increases to 35 ML. |
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| P(M) for Co and Fe clusters for various thermalization conditions. Amplitudes are represented in color (blue: low; red: high). |
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| According to the RP model, the back of the bird’s eye contains numerous molecules for magnetoreception. These molecules give rise to a pattern, discernible to the bird, which indicates the orientation of the field. |
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| Calculated Gilbert damping and resistivity for bcc Fe, hcp Co, and fcc Ni as functions of the rms displacements measured in units of the corresponding lattice constants, a. |
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| (a): SEM image of the CPW line and of two nanowires arrays (inset). (b): SEM image of the alternating width nanowire array (w1= 260 nm, w2= 220 nm and edgeto-edge separation g = 60 nm). (c): Full loop 2D FMR absorption spectra for the array. (d): Normalized M-H loop for the array. |
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| Comparison of the Bloch point evolution with fixed magnetization at the surface of a sphere of radius larger than the exchange length R = 20 nm; times are: (left) t = 0, (middle) t = 80 ps, and (right) t = 160 ps. |
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| ZFC/FC in-plane measurements of M vs T at the same field of H = 20 Oe for samples with constant tCo = 0.66 nm and various tPt = 0, . . ., 0.53 nm as indicated in the legend. |
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| Schematic showing the geometry of straight chains of cubes (a),spheres(b),cylinders(c),bi-cones(d),octahedra(e),tetrahedra(f),andcuboctahedra (g);(h)shows a schematic of a bent chain o fparticles. |
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| Calculated contributions to the decoherence coming from the coupling to nuclear spins, phonons and magnons. a, The three individual contributions which sum to give the dimensionless decoherence rate cw5B/ T2Do, as a function of the qubit splitting in the case H\E^x. |
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| Images generated in OOMMF of the magnetization configurations of cross tie domain walls (a) in equilibrium spacing and (b) with one vortex displaced. |
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| Monte Carlo phase diagram h vs temperature for the dipolar Heisenberg model with δ = 3 and η = 8. |
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| Color-coded histogram of AMR difference between before and after the application of the nucleation current pulse, i.e., Delta=AMR (after current pulse), − AMR (before current pulse). |
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| Sketch of a Fe/MgO/Fe(001) MTJ having seven MgO layers. |
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| A comparison of the ZFC curves for all the interacting cases. |
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| Hysteresis loops for the LaFeO3 nanospheres and nanotubes measured at 2 K (a) and 293 K (b). The inset shows the enlargement of the low field data. |
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| TEM of the (a) Sample B (Low-Au) and (b-d) Sample C (High-Au) nanocomposites. Core(Fe3O4)-shell(Au) structures seen in Sample C are shown in (c) and (d). |
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| Grazing incidence small-angle scattering and electron microscopy have been used to show for the first time that nonspherical nanoparticles can assemble into highly ordered body-centered tetragonal mesocrystals. |
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| Nanoparticles communication for amplified tumour targeting. a, Schematic representation of communication between system components. Tumour-targeted signalling NPs broadcast the tumour location to receiving NPs in circulation. |
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| Temporal evolution of the magnetic structure in 2 ML-thick Co islands on Cu(111) which is prepared in a random state. Top Co layer (left column) and the subsurface Co layer (right column) at times t = 0, 52, 100, 152, 300, and 400 fs (from top to bottom). |
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| The magnetic phase diagram as a function of κ/g and T/g. |
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| Coercive field (points) for various RE amounts. Results show good qualitative agreement with the experimental results (Fig. 3), with the divergence representing the magnetization compensation point. |
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| (a) Friction force for several velocities, with the non-confined part marked by the shading. (b) Nonconfined contributions to the friction force times velocity as well as the function B(v −v0)4, where v0 has been taken from eq. (16). |
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| The printed Au nanodots show an average size of 35 nm. |
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| Flow patterns induced by the Lorentz force for square parallel (left) and square antiparallel (right) magnet arrays used for magnetoelectrodeposition of metals. |
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| Differential Kerr microscopy images recorded after current pulse injection. |
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| Dynamical structure factor Sðq;!Þ obtained from ASD simulations of 8 ML Co/Cu(001). |
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| Spin waves created by the three-magnon splitting measured using BLS. |
