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Spin-wave structures whose current-voltage characteristics are controlled at room temperatures by magnetic field were produced with industrial technological methods using a spintronic europium-monoxide-based thin-film composite as an emitter and monocrystalline semiconductor n-GaAs as a collector. This shows that spin current transport actually exists and that a high-temperature spin transistor was produced with the use of the magnetic semiconductor/nonmagnetic semiconductor contact.
Until recently, the effects of all injectable filling agents were temporary and very rarely associated with permanent problems. In the past, the permanent injectable silicone had been used but had been so problematic that the Justice Department filed injunctions against certain physicians on behalf of the FDA. After 2000 a dangerous pattern grew in the corridors of Washington DC, where politics and money changed the face of America and the field of aesthetics to the detriment of the faces of the consumers. Industry has accomplished the approval of synthetic agents that should have never reached the market. Once injected under skin, the body cannot digest these agents and the immune system walls them off with resultant formation of nodules, which at times require surgical removal.
electromagnetic wave (EW) through multilayer structure consisting anisotropic
layers with gradient refractive index material is studied theoretically. Analytical
solution for linear dependence of refractive index profile is examined. The
structure consist the forbidden gaps, which are sensitive to parameters of
refractive index profile.