نتایج جستجو برای: magnetoelastic
تعداد نتایج: 834 فیلتر نتایج به سال:
We report on strongly anisotropic thermal-expansion and magnetostriction of UNiAl and UCoAl within the frame of the 5f -electron magnetism. Both the compounds crystallize in the hexagonal ZrNiAl-type structure and exhibit huge magnetocrystalline anisotropy with the c-axis as the easy magnetization direction. UNiAl orders antiferromagnetically (TN ≈ 19 K) and exhibits a field-induced metamagneti...
We address the cross-effects between mechanical strains and magnetic fields on the plastic response of magnetoelastic amorphous solids. It is well known that plasticity in nonmagnetic amorphous solids under external strain γ is dominated by the codimension-1 saddle-node bifurcation in which an eigenvalue of the Hessian matrix vanishes at γP like √ γP − γ. This squareroot singularity determines ...
We report high-resolution capacitance dilatometry studies on the uniaxial length changes in a NdB$_4$ single crystal. The evolution of magnetically ordered phases below $T_{\rm N}$= 17.2~K (commensurate antiferromagnetic phase, cAFM), IT}$= 6.8~K (intermediate incommensurate IT), and LT}$= 4.8~K (low-temperature LT) is associated with pronounced anomalies thermal expansion coefficients. data im...
The development of multifunctional and biocompatible microrobots for biomedical applications relies on achieving controllable locomotion. Here we describe the conditions that allow homogeneous magnetoelastic membranes composed superparamagnetic particles to swim through viscous fluids. By solving equations motion, find dynamical modes circular in precessing magnetic fields, which are found actu...
We study the asymptotic behavior, in sense of [Formula: see text]-convergence, a thin incompressible magnetoelastic plate, as its thickness goes to zero. focus on linearized von Kármán regime. The model features mixed Eulerian–Lagrangian formulation, magnetizations are defined deformed configuration.
Magnetoelastic coupling in the quantum magnet [Ni(HF2)(pyrazine)2]SbF6 has been investigated via vibrational spectroscopy using temperature, magnetic field, and pressure as tuning parameters. While pyrazine is known to be a malleable magnetic superexchange ligand, we find that HF2- is surprisingly sensitive to external stimuli and is actively involved in both the magnetic quantum phase transiti...
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