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The magnetization reversal of a multilayered Fe/Si film having cubic magnetocrystalline anisotropy is investigated in the temperature interval 25–300 K by magnetooptical methods. It is found that the growth of the biquadratic exchange interaction as the temperature is lowered causes a...
Bilayer films Fe/Tb (Tb on Fe) having a sharp interface and Tb/Fe (Fe on Tb) having a rough interface are prepared by molecular beam epitaxy to study the interlayer magnetic coupling. The magnetic properties of these bilayers are characterized ex situ using ferromagnetic resonance (FMR). The...
An electron-diffraction study of clusters formed in supersonic jets of carbon dioxide is reported. The mean size of the clusters varies from 4×10 2 4 × 1 0 2 to 2×10 4 2 × 1 0 4 molecules/cluster. From an analysis of the diffraction patterns obtained it is established that clusters of these...
The temperature dependence and concentration dependence of the heat capacity C C and surface resistance R s R s are measured in the compounds YNi 5− x Cu x YNi 5 − x Cu x ( x = 0, ( x = 0 , 0.1, 0.2, 0.25, 0.6, and 1.25). The measured values of C ( x ) C ( x ) and R s ( x ) R s ( x ) are used...
Hall-probe and magnetoresistance studies of trapped magnetic fields are carried out on Bi-containing high- T c T c superconducting films obtained by magnetron sputtering. It is shown that the trapped magnetic fields are alternating in sign in the plane of the film on a characteristic scale of...
We analyze the interplay between charge ordering, magnetic ordering, and the tendency toward phase separation and its importance for the physics of manganites. A simple model of charge ordering is considered. It takes into account both the Coulomb repulsion at neighboring sites responsible for...
The spectra of coupled magnetoelastic waves in a ferromagnet with an inclined easy axis are determined. Analysis of the spectra obtained shows that such a system can have one more phase in addition to the ferromagnetic and canted phases. This phase can be interpreted as inhomogeneous. The region...
A theoretical study is made of the spin excitations in two-dimensional three-sublattice Heisenberg antiferromagnets containing an impurity atom in one of the sublattices. It is assumed that the coupling parameter between the impurity and matrix is positive, so that the impurity atom and the atom...
We investigate nonlocal coherent transport in ballistic four-terminal Josephson structures (in which bulk superconductors (terminals) are connected through a clean normal layer, e.g., a two-dimensional electron gas). Coherent anisotropic superposition of macroscopic wave functions of the...
The superconducting gap in a CeRu 2 CeRu 2 single crystal is investigated by point contacts. BCS-like behavior of the gap Δ in the temperature range below T c ∗ T c ∗ ( T c ∗ < T c , ( T c ∗ < T c , where T c T c is the critical temperature) is established, indicating the presence of a...
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