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Quantum tunneling in multilayers and heterostructures with ferromagnetic semiconductorsInstitute of Solid State Chemistry, Urals Branch of the Russian Academy of Sciences, ul. Pervomayskaya 91, Ekaterinburg, 620219, Russian Federation Experimental data promising exciting possibilities for quantum tunneling in multilayers and heterostructures with ferromagnetic semiconductors are comprehensively surveyed for the first time. The practical utilization of two- or singleparticle tunneling in such structures gives impetus to the tunneling spectroscopy of ferromagnetically ordered materials and, based on spin filtering, magnetic-field-shaped volt-ampere characteristics, and some other salient features of such structures, paves the way to a new generation of unconventional solid-state micromagnetoelectronic cryogenic devices, including those operated in millimeter or submillimeter wavelength ranges.
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